- 扫描 ID：
- 73f310a1-0e74-4d82-8de4-0dab68952f77已完成
- 提交的 URL：
- https://system-companies.com/
- 报告完成时间：
链接 · 找到 1 个
从页面中识别出的传出链接
| 链接 | 文本 |
|---|---|
| https://support.cloudflare.com/hc/en-us/articles/200171916-Error-521 | Additional troubleshooting information |
JavaScript 变量 · 找到 3 个
在页面窗口对象上加载的全局 JavaScript 变量是在函数外部声明的变量，可以从当前范围内的代码中的任何位置访问
| 名称 | 类型 |
|---|---|
| onbeforetoggle | object |
| documentPictureInPicture | object |
| onscrollend | object |
控制台日志消息 · 找到 2 条
记录到 Web 控制台的消息
| 类型 | 类别 | 记录 |
|---|---|---|
| error | network |
|
| error | network |
|
HTML
页面的原始 HTML 正文
<!DOCTYPE html><!--[if lt IE 7]> <html class="no-js ie6 oldie" lang="en-US"> <![endif]--><!--[if IE 7]> <html class="no-js ie7 oldie" lang="en-US"> <![endif]--><!--[if IE 8]> <html class="no-js ie8 oldie" lang="en-US"> <![endif]--><!--[if gt IE 8]><!--><html class="no-js" lang="en-US"><!--<![endif]--><head>
<title>system-companies.com | 521: Web server is down</title>
<meta charset="UTF-8">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
<meta name="robots" content="noindex, nofollow">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="stylesheet" id="cf_styles-css" href="/cdn-cgi/styles/main.css">
</head>
<body>
<div id="cf-wrapper">
<div id="cf-error-details" class="p-0">
<header class="mx-auto pt-10 lg:pt-6 lg:px-8 w-240 lg:w-full mb-8">
<h1 class="inline-block sm:block sm:mb-2 font-light text-60 lg:text-4xl text-black-dark leading-tight mr-2">
<span class="inline-block">Web server is down</span>
<span class="code-label">Error code 521</span>
</h1>
<div>
Visit <a href="https://www.cloudflare.com/5xx-error-landing?utm_source=errorcode_521&utm_campaign=system-companies.com" target="_blank" rel="noopener noreferrer">cloudflare.com</a> for more information.
</div>
<div class="mt-3">2024-10-21 02:33:16 UTC</div>
</header>
<div class="my-8 bg-gradient-gray">
<div class="w-240 lg:w-full mx-auto">
<div class="clearfix md:px-8">
<div id="cf-browser-status" class=" relative w-1/3 md:w-full py-15 md:p-0 md:py-8 md:text-left md:border-solid md:border-0 md:border-b md:border-gray-400 overflow-hidden float-left md:float-none text-center">
<div class="relative mb-10 md:m-0">
<span class="cf-icon-browser block md:hidden h-20 bg-center bg-no-repeat"></span>
<span class="cf-icon-ok w-12 h-12 absolute left-1/2 md:left-auto md:right-0 md:top-0 -ml-6 -bottom-4"></span>
</div>
<span class="md:block w-full truncate">You</span>
<h3 class="md:inline-block mt-3 md:mt-0 text-2xl text-gray-600 font-light leading-1.3">
Browser
</h3>
<span class="leading-1.3 text-2xl text-green-success">Working</span>
</div>
<div id="cf-cloudflare-status" class=" relative w-1/3 md:w-full py-15 md:p-0 md:py-8 md:text-left md:border-solid md:border-0 md:border-b md:border-gray-400 overflow-hidden float-left md:float-none text-center">
<div class="relative mb-10 md:m-0">
<a href="https://www.cloudflare.com/5xx-error-landing?utm_source=errorcode_521&utm_campaign=system-companies.com" target="_blank" rel="noopener noreferrer">
<span class="cf-icon-cloud block md:hidden h-20 bg-center bg-no-repeat"></span>
<span class="cf-icon-ok w-12 h-12 absolute left-1/2 md:left-auto md:right-0 md:top-0 -ml-6 -bottom-4"></span>
</a>
</div>
<span class="md:block w-full truncate">Madrid</span>
<h3 class="md:inline-block mt-3 md:mt-0 text-2xl text-gray-600 font-light leading-1.3">
<a href="https://www.cloudflare.com/5xx-error-landing?utm_source=errorcode_521&utm_campaign=system-companies.com" target="_blank" rel="noopener noreferrer">
Cloudflare
</a>
</h3>
<span class="leading-1.3 text-2xl text-green-success">Working</span>
</div>
<div id="cf-host-status" class="cf-error-source relative w-1/3 md:w-full py-15 md:p-0 md:py-8 md:text-left md:border-solid md:border-0 md:border-b md:border-gray-400 overflow-hidden float-left md:float-none text-center">
<div class="relative mb-10 md:m-0">
<span class="cf-icon-server block md:hidden h-20 bg-center bg-no-repeat"></span>
<span class="cf-icon-error w-12 h-12 absolute left-1/2 md:left-auto md:right-0 md:top-0 -ml-6 -bottom-4"></span>
</div>
<span class="md:block w-full truncate">system-companies.com</span>
<h3 class="md:inline-block mt-3 md:mt-0 text-2xl text-gray-600 font-light leading-1.3">
Host
</h3>
<span class="leading-1.3 text-2xl text-red-error">Error</span>
</div>
</div>
</div>
</div>
<div class="w-240 lg:w-full mx-auto mb-8 lg:px-8">
<div class="clearfix">
<div class="w-1/2 md:w-full float-left pr-6 md:pb-10 md:pr-0 leading-relaxed">
<h2 class="text-3xl font-normal leading-1.3 mb-4">What happened?</h2>
<p>The web server is not returning a connection. As a result, the web page is not displaying.</p>
</div>
<div class="w-1/2 md:w-full float-left leading-relaxed">
<h2 class="text-3xl font-normal leading-1.3 mb-4">What can I do?</h2>
<h3 class="text-15 font-semibold mb-2">If you are a visitor of this website:</h3>
<p class="mb-6">Please try again in a few minutes.</p>
<h3 class="text-15 font-semibold mb-2">If you are the owner of this website:</h3>
<p><span>Contact your hosting provider letting them know your web server is not responding.</span> <a rel="noopener noreferrer" href="https://support.cloudflare.com/hc/en-us/articles/200171916-Error-521">Additional troubleshooting information</a>.</p>
</div>
</div>
</div>
<div class="cf-error-footer cf-wrapper w-240 lg:w-full py-10 sm:py-4 sm:px-8 mx-auto text-center sm:text-left border-solid border-0 border-t border-gray-300">
<p class="text-13">
<span class="cf-footer-item sm:block sm:mb-1">Cloudflare Ray ID: <strong class="font-semibold">8d5dd7884a862159</strong></span>
<span class="cf-footer-separator sm:hidden">•</span>
<span id="cf-footer-item-ip" class="cf-footer-item sm:block sm:mb-1">
Your IP:
<button type="button" id="cf-footer-ip-reveal" class="cf-footer-ip-reveal-btn">Click to reveal</button>
<span class="hidden" id="cf-footer-ip">104.28.158.248</span>
<span class="cf-footer-separator sm:hidden">•</span>
</span>
<span class="cf-footer-item sm:block sm:mb-1"><span>Performance & security by</span> <a rel="noopener noreferrer" href="https://www.cloudflare.com/5xx-error-landing?utm_source=errorcode_521&utm_campaign=system-companies.com" id="brand_link" target="_blank">Cloudflare</a></span>
</p>
<script>(function(){function d(){var b=a.getElementById("cf-footer-item-ip"),c=a.getElementById("cf-footer-ip-reveal");b&&"classList"in b&&(b.classList.remove("hidden"),c.addEventListener("click",function(){c.classList.add("hidden");a.getElementById("cf-footer-ip").classList.remove("hidden")}))}var a=document;document.addEventListener&&a.addEventListener("DOMContentLoaded",d)})();</script>
</div><!-- /.error-footer -->
</div>
</div>
</body></html>