diff --git a/ministatisticsaog.php b/ministatisticsaog.php
new file mode 100644
index 0000000..282e02c
--- /dev/null
+++ b/ministatisticsaog.php
@@ -0,0 +1,650 @@
+<?php
+$title = 'Mini Statistics Active OpenSim Grids';
+require_once __DIR__ . '/include/config.php';
+
+header('X-Frame-Options: SAMEORIGIN');
+header('X-Content-Type-Options: nosniff');
+header('Referrer-Policy: same-origin');
+
+function normalize_grid_uri($value)
+{
+    $value = trim((string) $value);
+    if ($value === '') {
+        return '';
+    }
+
+    $value = preg_replace('/^hop:\/\//i', '', $value);
+    $value = preg_replace('/^https?:\/\//i', '', $value);
+    $value = trim($value, " \t\n\r\0\x0B/");
+
+    return strtolower($value);
+}
+
+function sanitize_grid_uri($value)
+{
+    return normalize_grid_uri($value);
+}
+
+function parse_grid_user_login_uri($rawUserId)
+{
+    $parts = explode(';', (string) $rawUserId);
+    if (count($parts) < 2) {
+        return '';
+    }
+
+    return sanitize_grid_uri($parts[1]);
+}
+
+function parse_hg_address($serverUrl)
+{
+    $serverUrl = trim((string) $serverUrl);
+    if ($serverUrl === '') {
+        return '';
+    }
+
+    if (preg_match('/^https?:\/\//i', $serverUrl) === 1) {
+        $parsed = parse_url($serverUrl);
+        if (!empty($parsed['host'])) {
+            $host = strtolower($parsed['host']);
+            $port = isset($parsed['port']) ? ':' . $parsed['port'] : '';
+            return sanitize_grid_uri($host . $port);
+        }
+    }
+
+    return sanitize_grid_uri($serverUrl);
+}
+
+function derive_grid_name($uri)
+{
+    $uri = normalize_grid_uri($uri);
+    if ($uri === '') {
+        return 'Unknown Grid';
+    }
+
+    $host = explode(':', $uri)[0];
+    $host = preg_replace('/^www\./i', '', $host);
+    $parts = explode('.', $host);
+    $name = $parts[0] ?? $host;
+
+    if ($name === '') {
+        return 'Unknown Grid';
+    }
+
+    return ucwords(str_replace(array('-', '_'), ' ', $name));
+}
+
+function ensure_http_scheme($uri)
+{
+    $uri = trim((string) $uri);
+    if ($uri === '') {
+        return '';
+    }
+
+    if (preg_match('/^https?:\/\//i', $uri) === 1) {
+        return $uri;
+    }
+
+    return 'http://' . $uri;
+}
+
+function host_from_uri($uri)
+{
+    $uri = normalize_grid_uri($uri);
+    if ($uri === '') {
+        return '';
+    }
+
+    $candidate = ensure_http_scheme($uri);
+    $parts = parse_url($candidate);
+    if (!empty($parts['host'])) {
+        return strtolower($parts['host']);
+    }
+
+    $host = explode(':', $uri)[0];
+    return strtolower(trim($host));
+}
+
+function is_hg_address_uri($uri)
+{
+    $host = host_from_uri($uri);
+    return $host !== '' && strpos($host, 'hg.') === 0;
+}
+
+function build_grid_info_urls($loginUri)
+{
+    $loginUri = sanitize_grid_uri($loginUri);
+    if ($loginUri === '') {
+        return array();
+    }
+
+    $baseHttp = ensure_http_scheme($loginUri);
+    $baseHttps = preg_replace('/^http:\/\//i', 'https://', $baseHttp);
+
+    $urls = array(
+        rtrim($baseHttp, '/') . '/get_grid_info',
+        rtrim($baseHttps, '/') . '/get_grid_info',
+    );
+
+    $parts = parse_url($baseHttp);
+    if (!empty($parts['host'])) {
+        $hostPort = strtolower($parts['host']);
+        if (isset($parts['port'])) {
+            $hostPort .= ':' . $parts['port'];
+        }
+
+        $urls[] = 'http://' . $hostPort . '/get_grid_info';
+        $urls[] = 'https://' . $hostPort . '/get_grid_info';
+
+        $path = isset($parts['path']) ? trim((string) $parts['path']) : '';
+        if ($path !== '' && $path !== '/') {
+            $baseDir = dirname($path);
+            if ($baseDir === '\\' || $baseDir === '.') {
+                $baseDir = '';
+            }
+            $baseDir = trim((string) $baseDir);
+            if ($baseDir !== '' && $baseDir !== '/') {
+                $baseDir = '/' . trim($baseDir, '/');
+                $urls[] = 'http://' . $hostPort . $baseDir . '/get_grid_info';
+                $urls[] = 'https://' . $hostPort . $baseDir . '/get_grid_info';
+            }
+        }
+    }
+
+    return array_values(array_unique($urls));
+}
+
+function parse_grid_info_payload($payload)
+{
+    $payload = trim((string) $payload);
+    if ($payload === '') {
+        return array();
+    }
+
+    $json = json_decode($payload, true);
+    if (is_array($json) && !empty($json)) {
+        return $json;
+    }
+
+    if (strpos($payload, '<') !== false && strpos($payload, '>') !== false) {
+        $xml = @simplexml_load_string($payload);
+        if ($xml !== false) {
+            $data = array();
+            foreach ($xml->children() as $key => $value) {
+                $k = strtolower(trim((string) $key));
+                if ($k !== '') {
+                    $data[$k] = trim((string) $value);
+                }
+            }
+            if (!empty($data)) {
+                return $data;
+            }
+        }
+    }
+
+    $data = array();
+    $lines = preg_split('/\r\n|\r|\n/', $payload);
+    foreach ($lines as $line) {
+        $line = trim($line);
+        if ($line === '' || strpos($line, '=') === false) {
+            continue;
+        }
+
+        list($key, $value) = array_map('trim', explode('=', $line, 2));
+        if ($key !== '') {
+            $data[strtolower($key)] = $value;
+        }
+    }
+
+    return $data;
+}
+
+function fetch_public_grid_info($loginUri)
+{
+    $urls = build_grid_info_urls($loginUri);
+    if (empty($urls)) {
+        return array();
+    }
+
+    foreach ($urls as $url) {
+        $context = stream_context_create(array(
+            'http' => array(
+                'method' => 'GET',
+                'timeout' => 1.5,
+                'ignore_errors' => true,
+                'header' => "User-Agent: oswebinterface-gridinfo/1.0\r\n",
+            ),
+            'ssl' => array(
+                'verify_peer' => false,
+                'verify_peer_name' => false,
+            ),
+        ));
+
+        $payload = @file_get_contents($url, false, $context);
+        if ($payload === false) {
+            continue;
+        }
+
+        $parsed = parse_grid_info_payload($payload);
+        if (!empty($parsed)) {
+            $parsed['_source_url'] = $url;
+            return $parsed;
+        }
+    }
+
+    return array();
+}
+
+function read_grid_info_cache($cacheFile)
+{
+    if (!is_readable($cacheFile)) {
+        return array();
+    }
+
+    $raw = @file_get_contents($cacheFile);
+    if ($raw === false || $raw === '') {
+        return array();
+    }
+
+    $decoded = json_decode($raw, true);
+    return is_array($decoded) ? $decoded : array();
+}
+
+function write_grid_info_cache($cacheFile, $cacheData)
+{
+    @file_put_contents($cacheFile, json_encode($cacheData, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
+}
+
+function find_grid_info_value($gridInfo, $keys)
+{
+    foreach ($keys as $key) {
+        $lower = strtolower($key);
+        if (isset($gridInfo[$lower]) && trim((string) $gridInfo[$lower]) !== '') {
+            return trim((string) $gridInfo[$lower]);
+        }
+        if (isset($gridInfo[$key]) && trim((string) $gridInfo[$key]) !== '') {
+            return trim((string) $gridInfo[$key]);
+        }
+    }
+
+    return '';
+}
+
+function viewer_default_login_page($gridUri, $loginUri)
+{
+    $gridHost = host_from_uri($gridUri);
+    if ($gridHost === '') {
+        $gridHost = host_from_uri($loginUri);
+    }
+
+    if ($gridHost === '') {
+        return '';
+    }
+
+    return 'http://' . $gridHost . '/';
+}
+
+function csv_output_and_exit($rows)
+{
+    $filename = 'mini-active-opensim-grids-' . date('Ymd-His') . '.csv';
+
+    header('Content-Type: text/csv; charset=UTF-8');
+    header('Content-Disposition: attachment; filename=' . $filename);
+
+    $out = fopen('php://output', 'w');
+    if ($out === false) {
+        http_response_code(500);
+        echo 'CSV export failed.';
+        exit;
+    }
+
+    fputcsv($out, array('Grid Name', 'Grid-URI', 'Login-Seite', 'LoginURI', 'HG-address', 'GridUser Count', 'UserInfo Count', 'Total'));
+
+    foreach ($rows as $row) {
+        fputcsv($out, array(
+            $row['grid_name'],
+            $row['grid_uri'],
+            $row['login_page'],
+            $row['login_uri'],
+            $row['hg_address'],
+            $row['griduser_count'],
+            $row['userinfo_count'],
+            $row['total_count'],
+        ));
+    }
+
+    fclose($out);
+    exit;
+}
+
+$extendedCsvFile = __DIR__ . '/include/minigroundgridlist.csv';
+$gridInfoCacheFile = __DIR__ . '/include/minigroundgridinfo_cache.json';
+$gridInfoCacheTtl = 43200;
+$completeRefreshMode = true;
+
+$mysqli = @mysqli_connect(DB_SERVER, DB_USERNAME, DB_PASSWORD, DB_NAME);
+if ($mysqli === false) {
+    http_response_code(500);
+    echo 'Datenbankverbindung fehlgeschlagen.';
+    exit;
+}
+
+$gridMap = array();
+
+$gridUserQuery = mysqli_query($mysqli, 'SELECT * FROM `GridUser` ORDER BY `GridUser`.`UserID` DESC');
+if ($gridUserQuery !== false) {
+    while ($row = mysqli_fetch_assoc($gridUserQuery)) {
+        $userId = isset($row['UserID']) ? $row['UserID'] : '';
+        $loginUri = parse_grid_user_login_uri($userId);
+        if ($loginUri === '') {
+            continue;
+        }
+
+        if (!isset($gridMap[$loginUri])) {
+            $gridMap[$loginUri] = array(
+                'grid_name' => derive_grid_name($loginUri),
+                'grid_uri' => '',
+                'login_page' => '',
+                'login_uri' => $loginUri,
+                'hg_address' => $loginUri,
+                'griduser_count' => 0,
+                'userinfo_count' => 0,
+            );
+        }
+
+        $gridMap[$loginUri]['griduser_count']++;
+    }
+    mysqli_free_result($gridUserQuery);
+}
+
+$userInfoQuery = mysqli_query($mysqli, 'SELECT * FROM `userinfo` ORDER BY `userinfo`.`serverurl` ASC');
+if ($userInfoQuery !== false) {
+    while ($row = mysqli_fetch_assoc($userInfoQuery)) {
+        $hgAddress = isset($row['serverurl']) ? parse_hg_address($row['serverurl']) : '';
+        if ($hgAddress === '') {
+            continue;
+        }
+
+        if (!isset($gridMap[$hgAddress])) {
+            $gridMap[$hgAddress] = array(
+                'grid_name' => derive_grid_name($hgAddress),
+                'grid_uri' => '',
+                'login_page' => '',
+                'login_uri' => '',
+                'hg_address' => $hgAddress,
+                'griduser_count' => 0,
+                'userinfo_count' => 0,
+            );
+        }
+
+        $gridMap[$hgAddress]['userinfo_count']++;
+        $gridMap[$hgAddress]['hg_address'] = $hgAddress;
+    }
+    mysqli_free_result($userInfoQuery);
+}
+
+mysqli_close($mysqli);
+
+$gridInfoCache = read_grid_info_cache($gridInfoCacheFile);
+$cacheChanged = false;
+$now = time();
+$refreshCount = 0;
+$rowsChanged = false;
+
+$rows = array_values($gridMap);
+foreach ($rows as &$row) {
+    $queryUri = $row['login_uri'] !== '' ? $row['login_uri'] : $row['hg_address'];
+    $cacheKey = sanitize_grid_uri($queryUri);
+
+    if ($cacheKey === '') {
+        $row['total_count'] = (int) $row['griduser_count'] + (int) $row['userinfo_count'];
+        continue;
+    }
+
+    $gridInfo = array();
+    if (isset($gridInfoCache[$cacheKey]['data']) && is_array($gridInfoCache[$cacheKey]['data'])) {
+        $gridInfo = $gridInfoCache[$cacheKey]['data'];
+    }
+
+    if ($completeRefreshMode || empty($gridInfo)) {
+        $refreshCount++;
+        $gridInfo = fetch_public_grid_info($queryUri);
+        $gridInfoCache[$cacheKey] = array(
+            'fetched_at' => $now,
+            'data' => $gridInfo,
+        );
+        $cacheChanged = true;
+    }
+
+    if (!empty($gridInfo)) {
+        $publicName = find_grid_info_value($gridInfo, array('gridname', 'gridnick', 'label'));
+        if ($publicName !== '') {
+            if ($row['grid_name'] !== $publicName) {
+                $rowsChanged = true;
+            }
+            $row['grid_name'] = $publicName;
+        }
+
+        $publicGridUri = find_grid_info_value($gridInfo, array('name', 'griduri', 'grid_uri', 'gridurl', 'grid_url', 'gridnick'));
+        if ($publicGridUri !== '') {
+            if ($row['grid_uri'] !== $publicGridUri) {
+                $rowsChanged = true;
+                $row['grid_uri'] = $publicGridUri;
+            }
+        }
+
+        $publicLoginPage = find_grid_info_value($gridInfo, array('loginpage', 'login_page'));
+        if ($publicLoginPage !== '') {
+            if ($row['login_page'] !== $publicLoginPage) {
+                $rowsChanged = true;
+                $row['login_page'] = $publicLoginPage;
+            }
+        }
+
+        $publicLogin = find_grid_info_value($gridInfo, array('login', 'loginuri', 'login_uri'));
+        if ($publicLogin !== '') {
+            $newLogin = sanitize_grid_uri($publicLogin);
+            if ($newLogin !== '') {
+                if (is_hg_address_uri($newLogin)) {
+                    $row['hg_address'] = $newLogin;
+                } else {
+                    $row['login_uri'] = $newLogin;
+                }
+                $rowsChanged = true;
+            }
+        }
+    }
+
+    if ($row['login_page'] === '') {
+        $fallbackLoginPage = viewer_default_login_page($row['grid_uri'], $row['login_uri']);
+        if ($fallbackLoginPage !== '') {
+            $row['login_page'] = $fallbackLoginPage;
+            $rowsChanged = true;
+        }
+    }
+
+    $row['total_count'] = (int) $row['griduser_count'] + (int) $row['userinfo_count'];
+}
+unset($row);
+
+if ($cacheChanged) {
+    write_grid_info_cache($gridInfoCacheFile, $gridInfoCache);
+}
+
+usort($rows, function ($a, $b) {
+    if ($a['total_count'] === $b['total_count']) {
+        return strcmp($a['grid_name'], $b['grid_name']);
+    }
+    return $b['total_count'] <=> $a['total_count'];
+});
+
+$needsCsvWrite = $rowsChanged || !is_file($extendedCsvFile);
+if ($needsCsvWrite) {
+    $writeHandle = @fopen($extendedCsvFile, 'w');
+    if ($writeHandle !== false) {
+        fputcsv($writeHandle, array('Grid Name', 'Grid-URI', 'Login-Seite', 'LoginURI', 'HG-address', 'GridUser Count', 'UserInfo Count', 'Total'));
+        foreach ($rows as $row) {
+            fputcsv($writeHandle, array(
+                $row['grid_name'],
+                $row['grid_uri'],
+                $row['login_page'],
+                $row['login_uri'],
+                $row['hg_address'],
+                $row['griduser_count'],
+                $row['userinfo_count'],
+                $row['total_count'],
+            ));
+        }
+        fclose($writeHandle);
+    }
+}
+
+if (isset($_GET['download']) && $_GET['download'] === '1') {
+    csv_output_and_exit($rows);
+}
+?>
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Mini Statistics Active OpenSim Grids</title>
+    <style>
+        :root {
+            --panel: #ffffff;
+            --text: #1b1f23;
+            --muted: #586069;
+            --accent: #006d77;
+            --accent-strong: #00545b;
+            --line: #d8dee4;
+        }
+
+        body {
+            margin: 0;
+            font-family: 'Segoe UI', Tahoma, Verdana, sans-serif;
+            background: linear-gradient(180deg, #edf5f6 0%, #f9fbfb 100%);
+            color: var(--text);
+        }
+
+        .wrap {
+            max-width: 1200px;
+            margin: 0 auto;
+            padding: 20px;
+        }
+
+        .card {
+            background: var(--panel);
+            border: 1px solid var(--line);
+            border-radius: 10px;
+            box-shadow: 0 8px 26px rgba(20, 38, 42, 0.06);
+            padding: 18px;
+        }
+
+        .toolbar {
+            margin: 14px 0 16px;
+            display: flex;
+            align-items: center;
+            gap: 8px;
+            flex-wrap: wrap;
+        }
+
+        .btn {
+            display: inline-block;
+            padding: 9px 12px;
+            background: var(--accent);
+            color: #ffffff;
+            text-decoration: none;
+            border-radius: 7px;
+            font-size: 14px;
+        }
+
+        .btn:hover {
+            background: var(--accent-strong);
+        }
+
+        .table-wrap {
+            overflow-x: auto;
+        }
+
+        table {
+            width: 100%;
+            border-collapse: collapse;
+            min-width: 900px;
+        }
+
+        th,
+        td {
+            border-bottom: 1px solid var(--line);
+            padding: 10px;
+            text-align: left;
+            font-size: 14px;
+        }
+
+        th {
+            background: #f0f5f6;
+            position: sticky;
+            top: 0;
+            z-index: 1;
+        }
+
+        .num {
+            text-align: right;
+            font-variant-numeric: tabular-nums;
+        }
+    </style>
+</head>
+<body>
+<div class="wrap">
+    <div class="card">
+        <h1>Mini Statistics Active OpenSim Grids</h1>
+        <p>Nur Datenbankdaten (GridUser + userinfo), ohne include/gridlist.csv.</p>
+
+        <div class="toolbar">
+            <a class="btn" href="?download=1">CSV Download</a>
+            <span>Datensaetze: <?php echo (int) count($rows); ?></span>
+            <span>Exportdatei: include/minigroundgridlist.csv</span>
+            <span>Grid-Info Refresh: <?php echo (int) $refreshCount; ?></span>
+        </div>
+
+        <div class="table-wrap">
+            <table>
+                <thead>
+                    <tr>
+                        <th>#</th>
+                        <th>Grid Name</th>
+                        <th>Grid-URI</th>
+                        <th>Login-Seite</th>
+                        <th>LoginURI</th>
+                        <th>HG-address</th>
+                        <th class="num">GridUser</th>
+                        <th class="num">UserInfo</th>
+                        <th class="num">Total</th>
+                    </tr>
+                </thead>
+                <tbody>
+                <?php if (empty($rows)): ?>
+                    <tr>
+                        <td colspan="9">Keine Daten vorhanden.</td>
+                    </tr>
+                <?php else: ?>
+                    <?php $rank = 1; ?>
+                    <?php foreach ($rows as $row): ?>
+                        <tr>
+                            <td><?php echo $rank++; ?></td>
+                            <td><?php echo htmlspecialchars($row['grid_name']); ?></td>
+                            <td><?php echo htmlspecialchars($row['grid_uri']); ?></td>
+                            <td><?php echo htmlspecialchars($row['login_page']); ?></td>
+                            <td><?php echo htmlspecialchars($row['login_uri']); ?></td>
+                            <td><?php echo htmlspecialchars($row['hg_address']); ?></td>
+                            <td class="num"><?php echo (int) $row['griduser_count']; ?></td>
+                            <td class="num"><?php echo (int) $row['userinfo_count']; ?></td>
+                            <td class="num"><?php echo (int) $row['total_count']; ?></td>
+                        </tr>
+                    <?php endforeach; ?>
+                <?php endif; ?>
+                </tbody>
+            </table>
+        </div>
+    </div>
+</div>
+</body>
+</html>
diff --git a/statisticsaog.php b/statisticsaog.php
new file mode 100644
index 0000000..91d02b4
--- /dev/null
+++ b/statisticsaog.php
@@ -0,0 +1,770 @@
+<?php
+$title = 'Statistics Active OpenSim Grids';
+require_once __DIR__ . '/include/config.php';
+
+header('X-Frame-Options: SAMEORIGIN');
+header('X-Content-Type-Options: nosniff');
+header('Referrer-Policy: same-origin');
+
+function normalize_grid_uri($value)
+{
+    $value = trim((string) $value);
+    if ($value === '') {
+        return '';
+    }
+
+    $value = preg_replace('/^hop:\/\//i', '', $value);
+    $value = preg_replace('/^https?:\/\//i', '', $value);
+    $value = trim($value, " \t\n\r\0\x0B/");
+
+    return strtolower($value);
+}
+
+function sanitize_grid_uri($value)
+{
+    $normalized = normalize_grid_uri($value);
+    return $normalized;
+}
+
+function parse_grid_user_login_uri($rawUserId)
+{
+    $parts = explode(';', (string) $rawUserId);
+    if (count($parts) < 2) {
+        return '';
+    }
+
+    return sanitize_grid_uri($parts[1]);
+}
+
+function parse_hg_address($serverUrl)
+{
+    $serverUrl = trim((string) $serverUrl);
+    if ($serverUrl === '') {
+        return '';
+    }
+
+    if (preg_match('/^https?:\/\//i', $serverUrl) === 1) {
+        $parsed = parse_url($serverUrl);
+        if (!empty($parsed['host'])) {
+            $host = strtolower($parsed['host']);
+            $port = isset($parsed['port']) ? ':' . $parsed['port'] : '';
+            return sanitize_grid_uri($host . $port);
+        }
+    }
+
+    return sanitize_grid_uri($serverUrl);
+}
+
+function derive_grid_name($uri)
+{
+    $uri = normalize_grid_uri($uri);
+    if ($uri === '') {
+        return 'Unknown Grid';
+    }
+
+    $host = explode(':', $uri)[0];
+    $host = preg_replace('/^www\./i', '', $host);
+    $parts = explode('.', $host);
+    $name = $parts[0] ?? $host;
+
+    if ($name === '') {
+        return 'Unknown Grid';
+    }
+
+    return ucwords(str_replace(array('-', '_'), ' ', $name));
+}
+
+function ensure_http_scheme($uri)
+{
+    $uri = trim((string) $uri);
+    if ($uri === '') {
+        return '';
+    }
+
+    if (preg_match('/^https?:\/\//i', $uri) === 1) {
+        return $uri;
+    }
+
+    return 'http://' . $uri;
+}
+
+function host_from_uri($uri)
+{
+    $uri = normalize_grid_uri($uri);
+    if ($uri === '') {
+        return '';
+    }
+
+    $candidate = ensure_http_scheme($uri);
+    $parts = parse_url($candidate);
+    if (!empty($parts['host'])) {
+        return strtolower($parts['host']);
+    }
+
+    $host = explode(':', $uri)[0];
+    return strtolower(trim($host));
+}
+
+function is_hg_address_uri($uri)
+{
+    $host = host_from_uri($uri);
+    return $host !== '' && strpos($host, 'hg.') === 0;
+}
+
+function build_grid_info_urls($loginUri)
+{
+    $loginUri = sanitize_grid_uri($loginUri);
+    if ($loginUri === '') {
+        return array();
+    }
+
+    $baseHttp = ensure_http_scheme($loginUri);
+    $baseHttps = preg_replace('/^http:\/\//i', 'https://', $baseHttp);
+
+    $urls = array(
+        rtrim($baseHttp, '/') . '/get_grid_info',
+        rtrim($baseHttps, '/') . '/get_grid_info',
+    );
+
+    $parts = parse_url($baseHttp);
+    if (!empty($parts['host'])) {
+        $hostPort = strtolower($parts['host']);
+        if (isset($parts['port'])) {
+            $hostPort .= ':' . $parts['port'];
+        }
+
+        $hostOnlyHttp = 'http://' . $hostPort . '/get_grid_info';
+        $hostOnlyHttps = 'https://' . $hostPort . '/get_grid_info';
+        $urls[] = $hostOnlyHttp;
+        $urls[] = $hostOnlyHttps;
+
+        // Fallback when login URI includes path like /cgi-bin/login.cgi.
+        $path = isset($parts['path']) ? trim((string) $parts['path']) : '';
+        if ($path !== '' && $path !== '/') {
+            $baseDir = dirname($path);
+            if ($baseDir === '\\' || $baseDir === '.') {
+                $baseDir = '';
+            }
+            $baseDir = trim((string) $baseDir);
+            if ($baseDir !== '' && $baseDir !== '/') {
+                $baseDir = '/' . trim($baseDir, '/');
+                $urls[] = 'http://' . $hostPort . $baseDir . '/get_grid_info';
+                $urls[] = 'https://' . $hostPort . $baseDir . '/get_grid_info';
+            }
+        }
+    }
+
+    return array_values(array_unique($urls));
+}
+
+function parse_grid_info_payload($payload)
+{
+    $payload = trim((string) $payload);
+    if ($payload === '') {
+        return array();
+    }
+
+    $json = json_decode($payload, true);
+    if (is_array($json) && !empty($json)) {
+        return $json;
+    }
+
+    if (strpos($payload, '<') !== false && strpos($payload, '>') !== false) {
+        $xml = @simplexml_load_string($payload);
+        if ($xml !== false) {
+            $data = array();
+            foreach ($xml->children() as $key => $value) {
+                $k = strtolower(trim((string) $key));
+                if ($k !== '') {
+                    $data[$k] = trim((string) $value);
+                }
+            }
+            if (!empty($data)) {
+                return $data;
+            }
+        }
+    }
+
+    $data = array();
+    $lines = preg_split('/\r\n|\r|\n/', $payload);
+    foreach ($lines as $line) {
+        $line = trim($line);
+        if ($line === '' || strpos($line, '=') === false) {
+            continue;
+        }
+
+        list($key, $value) = array_map('trim', explode('=', $line, 2));
+        if ($key !== '') {
+            $data[strtolower($key)] = $value;
+        }
+    }
+
+    return $data;
+}
+
+function viewer_default_login_page($gridUri, $loginUri)
+{
+    $gridHost = host_from_uri($gridUri);
+    if ($gridHost === '') {
+        $gridHost = host_from_uri($loginUri);
+    }
+
+    if ($gridHost === '') {
+        return '';
+    }
+
+    //return 'http://' . $gridHost . '/app/login/';
+    return 'http://' . $gridHost . '/';
+}
+
+function fetch_public_grid_info($loginUri)
+{
+    $urls = build_grid_info_urls($loginUri);
+    if (empty($urls)) {
+        return array();
+    }
+
+    foreach ($urls as $url) {
+        $context = stream_context_create(array(
+            'http' => array(
+                'method' => 'GET',
+                'timeout' => 1.5,
+                'ignore_errors' => true,
+                'header' => "User-Agent: oswebinterface-gridinfo/1.0\r\n",
+            ),
+            'ssl' => array(
+                'verify_peer' => false,
+                'verify_peer_name' => false,
+            ),
+        ));
+
+        $payload = @file_get_contents($url, false, $context);
+        if ($payload === false) {
+            continue;
+        }
+
+        $parsed = parse_grid_info_payload($payload);
+        if (!empty($parsed)) {
+            $parsed['_source_url'] = $url;
+            return $parsed;
+        }
+    }
+
+    return array();
+}
+
+function read_grid_info_cache($cacheFile)
+{
+    if (!is_readable($cacheFile)) {
+        return array();
+    }
+
+    $raw = @file_get_contents($cacheFile);
+    if ($raw === false || $raw === '') {
+        return array();
+    }
+
+    $decoded = json_decode($raw, true);
+    return is_array($decoded) ? $decoded : array();
+}
+
+function write_grid_info_cache($cacheFile, $cacheData)
+{
+    @file_put_contents($cacheFile, json_encode($cacheData, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
+}
+
+function find_grid_info_value($gridInfo, $keys)
+{
+    foreach ($keys as $key) {
+        $lower = strtolower($key);
+        if (isset($gridInfo[$lower]) && trim((string) $gridInfo[$lower]) !== '') {
+            return trim((string) $gridInfo[$lower]);
+        }
+        if (isset($gridInfo[$key]) && trim((string) $gridInfo[$key]) !== '') {
+            return trim((string) $gridInfo[$key]);
+        }
+    }
+
+    return '';
+}
+
+function csv_output_and_exit($rows)
+{
+    $filename = 'active-opensim-grids-' . date('Ymd-His') . '.csv';
+
+    header('Content-Type: text/csv; charset=UTF-8');
+    header('Content-Disposition: attachment; filename=' . $filename);
+
+    $out = fopen('php://output', 'w');
+    if ($out === false) {
+        http_response_code(500);
+        echo 'CSV export failed.';
+        exit;
+    }
+
+    fputcsv($out, array('Grid Name', 'Grid-URI', 'Login-Seite', 'LoginURI', 'HG-address', 'GridUser Count', 'UserInfo Count', 'Total'));
+
+    foreach ($rows as $row) {
+        fputcsv($out, array(
+            $row['grid_name'],
+            $row['grid_uri'],
+            $row['login_page'],
+            $row['login_uri'],
+            $row['hg_address'],
+            $row['griduser_count'],
+            $row['userinfo_count'],
+            $row['total_count'],
+        ));
+    }
+
+    fclose($out);
+    exit;
+}
+
+$baseCsvFile = __DIR__ . '/include/gridlist.csv';
+$extendedCsvFile = __DIR__ . '/include/groundgridlist.csv';
+$gridInfoCacheFile = __DIR__ . '/include/groundgridinfo_cache.json';
+$gridInfoCacheTtl = 43200;
+$gridInfoRefreshPerRequest = 999999;
+$completeRefreshMode = true;
+
+$mysqli = @mysqli_connect(DB_SERVER, DB_USERNAME, DB_PASSWORD, DB_NAME);
+if ($mysqli === false) {
+    http_response_code(500);
+    echo 'Datenbankverbindung fehlgeschlagen.';
+    exit;
+}
+
+$gridMap = array();
+
+if (is_readable($baseCsvFile)) {
+    $handle = fopen($baseCsvFile, 'r');
+    if ($handle !== false) {
+        while (($data = fgetcsv($handle)) !== false) {
+            if (!isset($data[0], $data[1])) {
+                continue;
+            }
+
+            $nameRaw = trim($data[0]);
+            $uriRaw = trim($data[1]);
+
+            if ($nameRaw === '' || $uriRaw === '') {
+                continue;
+            }
+
+            if (strtolower($nameRaw) === 'gridname' || strtolower($nameRaw) === 'grid name') {
+                continue;
+            }
+
+            $loginUri = sanitize_grid_uri($uriRaw);
+            if ($loginUri === '') {
+                continue;
+            }
+
+            $key = $loginUri;
+            if (!isset($gridMap[$key])) {
+                $gridMap[$key] = array(
+                    'grid_name' => $nameRaw,
+                    'grid_uri' => '',
+                    'login_page' => '',
+                    'login_uri' => $loginUri,
+                    'hg_address' => $loginUri,
+                    'griduser_count' => 0,
+                    'userinfo_count' => 0,
+                    'source' => 'include/gridlist.csv',
+                );
+            }
+        }
+        fclose($handle);
+    }
+}
+
+$gridUserRows = array();
+$gridUserQuery = mysqli_query($mysqli, 'SELECT * FROM `GridUser` ORDER BY `GridUser`.`UserID` DESC');
+if ($gridUserQuery !== false) {
+    while ($row = mysqli_fetch_assoc($gridUserQuery)) {
+        $gridUserRows[] = $row;
+    }
+    mysqli_free_result($gridUserQuery);
+}
+
+foreach ($gridUserRows as $row) {
+    $userId = isset($row['UserID']) ? $row['UserID'] : '';
+    $loginUri = parse_grid_user_login_uri($userId);
+    if ($loginUri === '') {
+        continue;
+    }
+
+    if (!isset($gridMap[$loginUri])) {
+        $gridMap[$loginUri] = array(
+            'grid_name' => derive_grid_name($loginUri),
+            'grid_uri' => '',
+            'login_page' => '',
+            'login_uri' => $loginUri,
+            'hg_address' => $loginUri,
+            'griduser_count' => 0,
+            'userinfo_count' => 0,
+            'source' => 'database/GridUser',
+        );
+    }
+
+    $gridMap[$loginUri]['griduser_count']++;
+    if ($gridMap[$loginUri]['source'] === 'include/gridlist.csv') {
+        $gridMap[$loginUri]['source'] = 'include/gridlist.csv + database/GridUser';
+    }
+}
+
+$userInfoRows = array();
+$userInfoQuery = mysqli_query($mysqli, 'SELECT * FROM `userinfo` ORDER BY `userinfo`.`serverurl` ASC');
+if ($userInfoQuery !== false) {
+    while ($row = mysqli_fetch_assoc($userInfoQuery)) {
+        $userInfoRows[] = $row;
+    }
+    mysqli_free_result($userInfoQuery);
+}
+
+foreach ($userInfoRows as $row) {
+    $hgAddress = isset($row['serverurl']) ? parse_hg_address($row['serverurl']) : '';
+    if ($hgAddress === '') {
+        continue;
+    }
+
+    if (!isset($gridMap[$hgAddress])) {
+        $gridMap[$hgAddress] = array(
+            'grid_name' => derive_grid_name($hgAddress),
+            'grid_uri' => '',
+            'login_page' => '',
+            'login_uri' => '',
+            'hg_address' => $hgAddress,
+            'griduser_count' => 0,
+            'userinfo_count' => 0,
+            'source' => 'database/userinfo',
+        );
+    }
+
+    $gridMap[$hgAddress]['hg_address'] = $hgAddress;
+    $gridMap[$hgAddress]['userinfo_count']++;
+
+    if (strpos($gridMap[$hgAddress]['source'], 'database/userinfo') === false) {
+        $gridMap[$hgAddress]['source'] .= ' + database/userinfo';
+    }
+}
+
+mysqli_close($mysqli);
+
+$gridInfoCache = read_grid_info_cache($gridInfoCacheFile);
+$cacheChanged = false;
+$now = time();
+$refreshCount = 0;
+$rowsChanged = false;
+
+$rows = array_values($gridMap);
+foreach ($rows as &$row) {
+    $queryUri = $row['login_uri'] !== '' ? $row['login_uri'] : $row['hg_address'];
+    $cacheKey = sanitize_grid_uri($queryUri);
+
+    if ($cacheKey === '') {
+        $row['total_count'] = (int) $row['griduser_count'] + (int) $row['userinfo_count'];
+        continue;
+    }
+
+    $hasCache = isset($gridInfoCache[$cacheKey])
+        && isset($gridInfoCache[$cacheKey]['data'])
+        && is_array($gridInfoCache[$cacheKey]['data']);
+
+    $cacheFresh = isset($gridInfoCache[$cacheKey])
+        && isset($gridInfoCache[$cacheKey]['fetched_at'])
+        && ($now - (int) $gridInfoCache[$cacheKey]['fetched_at'] <= $gridInfoCacheTtl)
+        && isset($gridInfoCache[$cacheKey]['data'])
+        && is_array($gridInfoCache[$cacheKey]['data']);
+
+    if ($hasCache) {
+        $gridInfo = $gridInfoCache[$cacheKey]['data'];
+    } else {
+        $gridInfo = array();
+    }
+
+    $shouldRefresh = false;
+    if ($completeRefreshMode) {
+        $shouldRefresh = true;
+    } elseif (!$cacheFresh && $refreshCount < $gridInfoRefreshPerRequest) {
+        $shouldRefresh = true;
+    }
+
+    if ($shouldRefresh) {
+        $refreshCount++;
+        $gridInfo = fetch_public_grid_info($queryUri);
+        $gridInfoCache[$cacheKey] = array(
+            'fetched_at' => $now,
+            'data' => $gridInfo,
+        );
+        $cacheChanged = true;
+    }
+
+    if (!empty($gridInfo)) {
+        // Firestorm/OpenSim keys from get_grid_info: gridname (label), name (grid uri), login, loginpage.
+        $publicName = find_grid_info_value($gridInfo, array('gridname', 'gridnick', 'label'));
+        if ($publicName !== '') {
+            if ($row['grid_name'] !== $publicName) {
+                $rowsChanged = true;
+            }
+            $row['grid_name'] = $publicName;
+        }
+
+        $publicGridUri = find_grid_info_value($gridInfo, array('name', 'griduri', 'grid_uri', 'gridurl', 'grid_url', 'gridnick'));
+        if ($publicGridUri !== '') {
+            if ($row['grid_uri'] !== $publicGridUri) {
+                $rowsChanged = true;
+                $row['grid_uri'] = $publicGridUri;
+            }
+        }
+
+        $publicLoginPage = find_grid_info_value($gridInfo, array('loginpage', 'login_page'));
+        if ($publicLoginPage !== '') {
+            if ($row['login_page'] !== $publicLoginPage) {
+                $rowsChanged = true;
+                $row['login_page'] = $publicLoginPage;
+            }
+        }
+
+        $publicLogin = find_grid_info_value($gridInfo, array('login', 'loginuri', 'login_uri'));
+        if ($publicLogin !== '') {
+            $newLogin = sanitize_grid_uri($publicLogin);
+            if ($newLogin !== '') {
+                if (is_hg_address_uri($newLogin)) {
+                    if ($row['hg_address'] !== $newLogin) {
+                        $rowsChanged = true;
+                        $row['hg_address'] = $newLogin;
+                    }
+                } elseif ($row['login_uri'] !== $newLogin) {
+                    $rowsChanged = true;
+                    $row['login_uri'] = $newLogin;
+                }
+            }
+        }
+
+        $publicHg = find_grid_info_value($gridInfo, array('hglogin', 'hg_login', 'hgaddress', 'hg_address', 'homeuri', 'home_uri'));
+        if ($publicHg !== '') {
+            $newHg = sanitize_grid_uri($publicHg);
+            if ($newHg !== '' && $row['hg_address'] !== $newHg) {
+                $rowsChanged = true;
+                $row['hg_address'] = $newHg;
+            }
+        }
+    }
+
+    if ($row['login_page'] === '') {
+        $fallbackLoginPage = viewer_default_login_page($row['grid_uri'], $row['login_uri']);
+        if ($fallbackLoginPage !== '') {
+            $row['login_page'] = $fallbackLoginPage;
+            $rowsChanged = true;
+        }
+    }
+
+    $row['total_count'] = (int) $row['griduser_count'] + (int) $row['userinfo_count'];
+}
+unset($row);
+
+if ($cacheChanged) {
+    write_grid_info_cache($gridInfoCacheFile, $gridInfoCache);
+}
+
+usort($rows, function ($a, $b) {
+    if ($a['total_count'] === $b['total_count']) {
+        return strcmp($a['grid_name'], $b['grid_name']);
+    }
+    return $b['total_count'] <=> $a['total_count'];
+});
+
+$needsCsvWrite = $rowsChanged || !is_file($extendedCsvFile);
+if ($needsCsvWrite) {
+    $writeHandle = @fopen($extendedCsvFile, 'w');
+    if ($writeHandle !== false) {
+        fputcsv($writeHandle, array('Grid Name', 'Grid-URI', 'Login-Seite', 'LoginURI', 'HG-address', 'GridUser Count', 'UserInfo Count', 'Total'));
+        foreach ($rows as $row) {
+            fputcsv($writeHandle, array(
+                $row['grid_name'],
+                $row['grid_uri'],
+                $row['login_page'],
+                $row['login_uri'],
+                $row['hg_address'],
+                $row['griduser_count'],
+                $row['userinfo_count'],
+                $row['total_count'],
+            ));
+        }
+        fclose($writeHandle);
+    }
+}
+
+if (isset($_GET['download']) && $_GET['download'] === '1') {
+    csv_output_and_exit($rows);
+}
+?>
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Statistics Active OpenSim Grids</title>
+    <style>
+        :root {
+            --bg: #f4f6f7;
+            --panel: #ffffff;
+            --text: #1b1f23;
+            --muted: #586069;
+            --accent: #006d77;
+            --accent-strong: #00545b;
+            --line: #d8dee4;
+        }
+
+        body {
+            margin: 0;
+            font-family: 'Segoe UI', Tahoma, Verdana, sans-serif;
+            background: linear-gradient(180deg, #edf5f6 0%, #f9fbfb 100%);
+            color: var(--text);
+        }
+
+        .wrap {
+            max-width: 1200px;
+            margin: 0 auto;
+            padding: 20px;
+        }
+
+        .card {
+            background: var(--panel);
+            border: 1px solid var(--line);
+            border-radius: 10px;
+            box-shadow: 0 8px 26px rgba(20, 38, 42, 0.06);
+            padding: 18px;
+        }
+
+        h1 {
+            margin: 0 0 8px;
+            font-size: 28px;
+        }
+
+        p.meta {
+            margin: 0;
+            color: var(--muted);
+        }
+
+        .toolbar {
+            margin: 14px 0 16px;
+            display: flex;
+            align-items: center;
+            gap: 8px;
+            flex-wrap: wrap;
+        }
+
+        .btn {
+            display: inline-block;
+            padding: 9px 12px;
+            background: var(--accent);
+            color: #ffffff;
+            text-decoration: none;
+            border-radius: 7px;
+            font-size: 14px;
+        }
+
+        .btn:hover {
+            background: var(--accent-strong);
+        }
+
+        .table-wrap {
+            overflow-x: auto;
+        }
+
+        table {
+            width: 100%;
+            border-collapse: collapse;
+            min-width: 900px;
+        }
+
+        th,
+        td {
+            border-bottom: 1px solid var(--line);
+            padding: 10px;
+            text-align: left;
+            font-size: 14px;
+        }
+
+        th {
+            background: #f0f5f6;
+            position: sticky;
+            top: 0;
+            z-index: 1;
+        }
+
+        .num {
+            text-align: right;
+            font-variant-numeric: tabular-nums;
+        }
+
+        @media (max-width: 760px) {
+            .wrap {
+                padding: 12px;
+            }
+
+            h1 {
+                font-size: 22px;
+            }
+        }
+    </style>
+</head>
+<body>
+<div class="wrap">
+    <div class="card">
+        <h1>Statistics Active OpenSim Grids</h1>
+        <p class="meta">Quelle: include/gridlist.csv + Robust DB (GridUser, userinfo) + oeffentliche Grid-Daten via HTTP GET /get_grid_info. Vorbild: hypergridbusiness.com/statistics/active-grids/</p>
+
+        <div class="toolbar">
+            <a class="btn" href="?download=1">CSV Download</a>
+            <span class="meta">Datensaetze: <?php echo (int) count($rows); ?></span>
+            <span class="meta">Exportdatei: include/groundgridlist.csv</span>
+            <span class="meta">Grid-Info Refresh: <?php echo (int) $refreshCount; ?>/<?php echo (int) $gridInfoRefreshPerRequest; ?></span>
+        </div>
+
+        <div class="table-wrap">
+            <table>
+                <thead>
+                    <tr>
+                        <th>#</th>
+                        <th>Grid Name</th>
+                        <th>Grid-URI</th>
+                        <th>Login-Seite</th>
+                        <th>LoginURI</th>
+                        <th>HG-address</th>
+                        <th class="num">GridUser</th>
+                        <th class="num">UserInfo</th>
+                        <th class="num">Total</th>
+                    </tr>
+                </thead>
+                <tbody>
+                <?php if (empty($rows)): ?>
+                    <tr>
+                        <td colspan="9">Keine Daten vorhanden.</td>
+                    </tr>
+                <?php else: ?>
+                    <?php $rank = 1; ?>
+                    <?php foreach ($rows as $row): ?>
+                        <tr>
+                            <td><?php echo $rank++; ?></td>
+                            <td><?php echo htmlspecialchars($row['grid_name']); ?></td>
+                            <td><?php echo htmlspecialchars($row['grid_uri']); ?></td>
+                            <td><?php echo htmlspecialchars($row['login_page']); ?></td>
+                            <td><?php echo htmlspecialchars($row['login_uri']); ?></td>
+                            <td><?php echo htmlspecialchars($row['hg_address']); ?></td>
+                            <td class="num"><?php echo (int) $row['griduser_count']; ?></td>
+                            <td class="num"><?php echo (int) $row['userinfo_count']; ?></td>
+                            <td class="num"><?php echo (int) $row['total_count']; ?></td>
+                        </tr>
+                    <?php endforeach; ?>
+                <?php endif; ?>
+                </tbody>
+            </table>
+        </div>
+    </div>
+</div>
+</body>
+</html>