WordPress站内优化:404页面分析跟踪

一个优秀的站长必须要学会了解并且自己网站死链(404页面)的数据,虽然从空间日志也可以看到网站的死链数据,单某些无良空间不会给用户查看空间日志的权限,而且日志大都是一大堆英文字母,新人看着也很头痛。所以我们要换个方式来获取网站的死链(404)页面数据。

今天梦飞扬就教大家通过电子邮件来获取WordPress的404页面报告。打开当前主题的404.php文件(如果没有则自己新建一个),在404.php中加入以下代码:

<?php

// 发出404状态码
header("HTTP/1.1 404 Not Found");
header("Status: 404 Not Found");

// 网站信息
$blog = get_bloginfo('name');
$site = get_bloginfo('url') . '/';
$email = get_bloginfo('admin_email');

// 当前主题信息
if (!empty($_COOKIE["nkthemeswitch" . COOKIEHASH])) {
 $theme = clean($_COOKIE["nkthemeswitch" . COOKIEHASH]);
} else {
 $theme_data = wp_get_theme();
 $theme = clean($theme_data->Name);
}

// 访问404页面的访客
if (isset($_SERVER['HTTP_REFERER'])) {
 $referer = clean($_SERVER['HTTP_REFERER']);
} else {
 $referer = "undefined";
}
// 请求的URL
if (isset($_SERVER['REQUEST_URI']) && isset($_SERVER["HTTP_HOST"])) {
 $request = clean('http://' . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]);
} else {
 $request = "undefined";
}
// 查询字符串
if (isset($_SERVER['QUERY_STRING'])) {
 $string = clean($_SERVER['QUERY_STRING']);
} else {
 $string = "undefined";
}
// IP地址
if (isset($_SERVER['REMOTE_ADDR'])) {
 $address = clean($_SERVER['REMOTE_ADDR']);
} else {
 $address = "undefined";
}
//用户代理
if (isset($_SERVER['HTTP_USER_AGENT'])) {
 $agent = clean($_SERVER['HTTP_USER_AGENT']);
} else {
 $agent = "undefined";
}
//身份
if (isset($_SERVER['REMOTE_IDENT'])) {
 $remote = clean($_SERVER['REMOTE_IDENT']);
} else {
 $remote = "undefined";
}
//日志时间
$time = clean(date("F jS Y, h:ia", time()));

function clean($string) {
 $string = rtrim($string);
 $string = ltrim($string);
 $string = htmlentities($string, ENT_QUOTES);
 $string = str_replace("n", "<br>", $string);

 if (get_magic_quotes_gpc()) {
 $string = stripslashes($string);
 }
 return $string;
}

$message =
 "TIME: " . $time . "n" .
 "*404: " . $request . "n" .
 "SITE: " . $site . "n" .
 "THEME: " . $theme . "n" .
 "REFERRER: " . $referer . "n" .
 "QUERY STRING: " . $string . "n" .
 "REMOTE ADDRESS: " . $address . "n" .
 "REMOTE IDENTITY: " . $remote . "n" .
 "USER AGENT: " . $agent . "nnn";

mail($email, "404 Alert: " . $blog . " [" . $theme . "]", $message, "From: $email");

?>

在404.php中加入以上代码后,如果有人访问网站出现404页面则WordPress会自动发送一封报告邮件到网站管理员的邮箱中,当然发送邮件的前提是你的主机支持mail()函数,或者你安装了SMTP插件。

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