gtmetrix.com 网站分析
gtmetrix.com - 基本信息
gtmetrix.com - 页面信息
标题:
GTmetrix | Website Speed and Performance OptimizationMeta 关键词:
未知Meta 描述信息:
GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.H1:
How fast does your website load?Find out with GTmetrix内部链接:
16 (0 nofollow)外部链接:
5 (0 nofollow)gtmetrix.com - 建站技术
服务器:
Apache
SSL 安全:
不可用robots.txt:
不可用XML 站点地图:
不可用Gzip 压缩:
有效favicon.ico:
不可用gtmetrix.com - 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 gtmetrix.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Date: Sun, 21 Jun 2020 00:08:17 GMT
Server: Apache
Last-Modified: Thu, 04 Jun 2020 18:50:24 GMT
Vary: Cookie,Accept-Encoding
Content-Type: text/html; charset=utf-8
Content-Encoding: gzip
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
X-Frame-Options: SAMEORIGIN
X-Xss-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Referrer-Policy: same-origin
Content-Length: 5314
Date: Sun, 21 Jun 2020 00:08:17 GMT
Server: Apache
Last-Modified: Thu, 04 Jun 2020 18:50:24 GMT
Vary: Cookie,Accept-Encoding
Content-Type: text/html; charset=utf-8
Content-Encoding: gzip
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
X-Frame-Options: SAMEORIGIN
X-Xss-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Referrer-Policy: same-origin
Content-Length: 5314
gtmetrix.com - 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。gtmetrix.com 当前共有 9 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| gtmetrix.com | A | 249 | ||
| gtmetrix.com | AAAA | 2607:fcc0:6::2 | 3600 | |
| gtmetrix.com | MX | 3600 | pri: 10 | |
| gtmetrix.com | NS | 3600 | ||
| gtmetrix.com | NS | 3600 | ||
| gtmetrix.com | NS | 3600 | ||
| gtmetrix.com | SOA | 3600 | expire: 1209600 serial: 2016082401 | |
| gtmetrix.com | TXT | v=spf1 a mx ip4:204.187.14.68 ip4:208.70.247.145 ip4:208.70.244.21 include:spf.recurly.com -all | 3600 | |
| gtmetrix.com | TXT | spf2.0/pra a mx ip4:204.187.14.68 ip4:208.70.247.145 ip4:208.70.244.21 include:spf.recurly.com -all | 3600 |