GRC.COM 网站分析
基本信息
URL:
服务器:
GRC/IIS Hybrid Application Webserver
IP:
页面信息
标题:
Home of Gibson Research Corporation
长度: 39 字符; 最佳长度: 10 ~ 60 字符
Meta 描述信息:
Steve Gibson's and Gibson Research Corporation's Web homepage.
长度: 62 字符; 最佳长度: 50 ~ 160 字符
Meta 关键词:
hard drive data recovery, internet security, shieldsup, shieldsup!, shields up, steve gibson, spinrite
长度: 102 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.
外部链接:
1 (0 nofollow)
内部链接:
73 (0 nofollow)
建站技术
服务器:
GRC/IIS Hybrid Application Webserver
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 grc.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Content-Encoding: gzip
Expires: Mon, 01 Jan 1990 00:00:00 GMT
Vary: Accept-Encoding
Access-Control-Allow-Origin: *
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000; preload
P3P: CP="NOI DSP COR NID NOR"
Set-Cookie: tpag=yhzftgt3exsh5; path=/
Set-Cookie: ppag=yhzftgt3exsh5; path=/; expires=Mon, 01-Jan-2046 00:00:00 GMT
Server: GRC/IIS Hybrid Application Webserver
Date: Wed, 28 Oct 2026 23:27:17 GMT
Connection: close
Content-Length: 3961
Content-Type: text/html; charset=utf-8
Content-Encoding: gzip
Expires: Mon, 01 Jan 1990 00:00:00 GMT
Vary: Accept-Encoding
Access-Control-Allow-Origin: *
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000; preload
P3P: CP="NOI DSP COR NID NOR"
Set-Cookie: tpag=yhzftgt3exsh5; path=/
Set-Cookie: ppag=yhzftgt3exsh5; path=/; expires=Mon, 01-Jan-2046 00:00:00 GMT
Server: GRC/IIS Hybrid Application Webserver
Date: Wed, 28 Oct 2026 23:27:17 GMT
Connection: close
Content-Length: 3961
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。grc.com 当前共有 10 项 DNS 记录。
| 主机 | 类型 | IP/目标 | 生存时间 | 扩充信息 |
|---|---|---|---|---|
| grc.com | A | 18467 | ||
| grc.com | NS | 21600 | ||
| grc.com | NS | 21600 | ||
| grc.com | SOA | 21600 | expire: 5184000 serial: 2026072408 | |
| grc.com | MX | 21600 | pri: 10 | |
| grc.com | TXT | _bpovimyxhv2xbvowiwnvlkhz27b4z4f | 21600 | |
| grc.com | TXT | v=spf1 ip4:4.79.142.192/28 a:client.grc.com a:grc.com -all | 21600 | |
| grc.com | TXT | google-site-verification=lTHvpojcfPIYXGkOqbku5TcOkpo52Exo-qWuQJi5bpw | 21600 | |
| grc.com | TXT | _e9izydias4fdktb7grdz8lx129rf0kz | 21600 | |
| grc.com | TXT | 7pdq8vl28psslbzzx8g9s3pbwjvksk24 | 21600 |