WWW.USA.GOV 网站分析
基本信息
URL:
服务器:
未知
IP:
城市:
页面信息
标题:
Making government services easier to find | USAGov
长度: 50 字符; 最佳长度: 10 ~ 60 字符
Meta 关键词:
未知
长度: 0 字符; 最佳长度: 10 ~ 255 字符
Meta 描述信息:
Find government benefits, services, agencies, and information at USA.gov. Contact elected officials. Learn about passports, Social Security, taxes, and more.
长度: 157 字符; 最佳长度: 50 ~ 160 字符
H1 Tag:
Making government services easier to find
长度: 41 字符
内部链接:
40 (0 nofollow)
外部链接:
10 (0 nofollow)
建站技术
服务器:
未知
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.usa.gov 的 HTTP header 信息:
HTTP/1.1 200 OK
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Last-Modified: Wed, 08 May 2024 19:49:33 GMT
Strict-Transport-Security: max-age=63072000; includeSubdomains
X-Content-Type-Options: nosniff
X-Vcap-Request-Id: 752482c1-c03a-48e1-671b-f0a5aa4608bb
X-Xss-Protection: 1; mode=block
X-Frame-Options: DENY
Content-Encoding: gzip
Date: Thu, 09 May 2024 02:52:48 GMT
Cache-Control: max-age=900
ETag: W/"86a63c9ef049a57e3dccefbb3d168329"
Vary: Accept-Encoding,Accept-Encoding,Accept-Encoding
X-Cache: Hit from cloudfront
Via: 1.1 f300b5f0c0ff51593fb31953294424c0.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: PHL51-P1
X-Amz-Cf-Id: nj6SUo2HXA07rUHVPGLyHue5630ZssPCE1lIMe-v2-XtDnOKp05xSg==
Age: 378
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Last-Modified: Wed, 08 May 2024 19:49:33 GMT
Strict-Transport-Security: max-age=63072000; includeSubdomains
X-Content-Type-Options: nosniff
X-Vcap-Request-Id: 752482c1-c03a-48e1-671b-f0a5aa4608bb
X-Xss-Protection: 1; mode=block
X-Frame-Options: DENY
Content-Encoding: gzip
Date: Thu, 09 May 2024 02:52:48 GMT
Cache-Control: max-age=900
ETag: W/"86a63c9ef049a57e3dccefbb3d168329"
Vary: Accept-Encoding,Accept-Encoding,Accept-Encoding
X-Cache: Hit from cloudfront
Via: 1.1 f300b5f0c0ff51593fb31953294424c0.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: PHL51-P1
X-Amz-Cf-Id: nj6SUo2HXA07rUHVPGLyHue5630ZssPCE1lIMe-v2-XtDnOKp05xSg==
Age: 378
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。usa.gov 当前共有 12 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| usa.gov | A | 160 | ||
| usa.gov | NS | 8914 | ||
| usa.gov | NS | 8914 | ||
| usa.gov | NS | 8914 | ||
| usa.gov | NS | 8914 | ||
| usa.gov | NS | 8914 | ||
| usa.gov | SOA | 10800 | expire: 1209600 serial: 733412852 | |
| usa.gov | TXT | d1rt4thgsoin5q.cloudfront.net | 10800 | |
| usa.gov | TXT | amazonses:X5JKkKWosJlNPD8iJfPvNksuvQJzup3fDYEJtve9l20= | 10800 | |
| usa.gov | TXT | v=spf1 include:amazonses.com include:532040.spf10.hubspotemail.net ~all | 10800 | |
| usa.gov | TXT | MS=ms45746088 | 10800 | |
| usa.gov | AAAA | 2600:1f18:f88:4313:6df7:f986:f915:78d6 | 144 |