使用 PHP 和 JavaScript 跟踪用户

Question

我是否错过了您可以记录以跟踪访问者的任何明显的事情（使用 PHP 和 JavaScript）？

• 我可以获得计算机名称吗？
• 我能拿到国家吗？
• 能拿到城市吗？
• 邮政编码？
• 可以从某些浏览器收集任何其他信息吗？

PHP 文档：

<script>

<?php 
$ip = $_SERVER['REMOTE_ADDR'];
$hostaddress = gethostbyaddr($ip);?>
<?php echo "document.write('The IP-adress: ' + " . "'" . $ip . "'" . " + '<br>');";?>
<?php echo "document.write('The host address: ' + " . "'" . $hostaddress . "'" . " + '<br>');";?>

document.write('The date: ' + new Date() + '<br>');
document.write('Get the entire URL of the current page: ' + location.href + '<br>');
document.write('This document was last modified on:' + document.lastModified + '<br>'); // good to know wich version of the page they have

if (document.referrer != ''){
document.write('The referrer of this document is: ' + document.referrer + '<br>')
}
else{
document.write('The is no referrer.<br>')
}

document.write('Number of URLs in history list: ' + history.length + '<br>')

// I know it doesn't allways return the right browser info, but it gives a good clue.
document.write("Browser name: " + navigator.appName + '<br>');
document.write("Browser version info: " + navigator.appVersion + '<br>');
document.write("Platform: " + navigator.platform + '<br>');
document.write("User-agent header sent: " + navigator.userAgent + '<br>');
document.write("Language of user: " + navigator.userLanguage);

document.write("Total Height: " + screen.height + '<br>');
document.write("Total Width: " + screen.width + '<br>');

document.write("Cookie: " + document.cookie + '<br>');

</script>

Answer 1

有很多可用的地理定位数据库。如果您想免费，也有一些免费数据库，其更新频率低于付费数据库，例如 MaxMind GeoLite< /a>.

如需了解更多 Google IP 地理位置。