WWW.VPNBOOK.COM 网站分析

基本信息

搜索引擎收录信息

必应:
谷歌:

页面信息

标题:
Free VPN • 100% Free PPTP and OpenVPN Service
长度: 45 字符; 最佳长度: 10 ~ 60 字符
Meta 描述信息:
Free VPN Service – VPNBook.com is the #1 premium Free VPN Server account provider. US, UK, and offshore VPN servers available.
长度: 126 字符; 最佳长度: 50 ~ 160 字符
Meta 关键词:
free vpn, free vpn service, free vpn server, free vpn account, openvpn, pptp vpn, web proxy
长度: 91 字符; 最佳长度: 10 ~ 255 字符
H1标签:
长度: 0 字符; 最佳长度: 10 ~ 255 字符

Your page does not include an H1 tag.

The H1 tag in HTML is the main headline users see first when a page loads. It conveys the page's topic, enticing visitors to read further. H1 tags are crucial for SEO, user experience, and accessibility. They distinguish the main title on a webpage, aiding search engines and users in understanding the content.

Here are best practices for H1 tags

  • Use H1 tags for page titles.
  • Limit to one H1 tag per page.
  • Keep H1 tags short and concise.
  • Structure headings hierarchically.
  • Include your main keyword.
  • Ensure H1 tags are engaging.

建站技术

服务器:
cloudflare
SSL 安全:
有效
robots.txt:
不可用
XML 站点地图:
不可用
Gzip 压缩:
有效
favicon.ico:
不可用

HTTP Head 分析

HTTP 协议采用了请求与响应模型,通过 HTTP Header 定义了 HTTP 传输过程中的必要参数。 浏览器(例如 Internet Explorer, Google Chrome, Firefox 等)并不会显示 HTTP header 字段的内容,下面是网站 www.vpnbook.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Date: Mon, 09 Jun 2025 14:44:31 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Server: cloudflare
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=1gL54H96H9dDD5GEp7Mh0wEy5IWRlDw9miYWtITI%2FWC05BeKktpVIaGDAcCQwMI3GNVHhVmrEQiWjhHeuEGtLpkHUsqla7GrjSufU6t%2FypyTzpnDzqqrOJg0Uw%3D%3D"}]}
Age: 1402
Cache-Control: max-age=14400
Cf-Cache-Status: HIT
Last-Modified: Mon, 09 Jun 2025 14:21:08 GMT
Vary: accept-encoding
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Content-Encoding: gzip
CF-RAY: 94d1684faa8d8ca2-EWR
alt-svc: h3=":443"; ma=86400

DNS 记录分析

DNS 域名系统(Domain Name System,缩写)是 Internet 的一项基础服务。它作为将域名和IP地址相互映射的一个分布式数据库,能够使人更方便地访问互联网。vpnbook.com 当前共有 22 项 DNS 记录。
主机 类型 IP/目标 生存时间 扩充信息
vpnbook.comA300
vpnbook.comA300
vpnbook.comA300
vpnbook.comA300
vpnbook.comA300
vpnbook.comA300
vpnbook.comA300
vpnbook.comNS21600
vpnbook.comNS21600
vpnbook.comSOA1800expire: 604800
serial: 2374298909
vpnbook.comMX300pri: 0
vpnbook.comTXT
ahrefs-site-verification_8c04e784d0f30b8ba85e156f6e55c019fe9035f81793750945bd1c118788fffb
300
vpnbook.comTXT
google-site-verification=u03y7hJCBtFI1W3rxZ8PL6Add2amRLLvVukhp5pKkTA
300
vpnbook.comTXT
amazonses:kch3dv6VljoKzSIUvpMNllZ4azv71QlxKpbXGYtEYbw=
300
vpnbook.comTXT
v=spf1 a include:spf.gzo.com -all
300
vpnbook.comAAAA
2606:4700:3030::6815:4001
300
vpnbook.comAAAA
2606:4700:3030::6815:7001
300
vpnbook.comAAAA
2606:4700:3030::6815:2001
300
vpnbook.comAAAA
2606:4700:3030::6815:3001
300
vpnbook.comAAAA
2606:4700:3030::6815:1001
300
vpnbook.comAAAA
2606:4700:3030::6815:6001
300
vpnbook.comAAAA
2606:4700:3030::6815:5001
300