ANSWERS.USA.GOV 网站分析
The website answers.usa.gov has been set up for redirection. The following information displays the SEO statistics for the final destination website, www.usa.gov.
基本信息
URL:
服务器:
未知
IP:
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 answers.usa.gov 的 HTTP header 信息:
HTTP/1.1 200 OK
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Date: Thu, 25 Jul 2024 13:43:03 GMT
Cache-Control: max-age=900
Last-Modified: Wed, 24 Jul 2024 16:10:09 GMT
Strict-Transport-Security: max-age=63072000; includeSubdomains
X-Content-Type-Options: nosniff
X-Vcap-Request-Id: ad770c1b-d6da-4cbb-5d7b-f19c47dceae9
X-Xss-Protection: 1; mode=block
X-Frame-Options: DENY
Content-Encoding: gzip
ETag: W/"ba21f6460806cc88c297b5ba95fab61f"
Vary: Accept-Encoding,Accept-Encoding,Accept-Encoding
X-Cache: Hit from cloudfront
Via: 1.1 6e01480ef7aa01c23bf600698a613304.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: EWR53-P1
X-Amz-Cf-Id: Zv2QahuRt5PYqI8rI9PYZKbHIIgyHepDRwznRcp17CAtGZEGv4soBQ==
Age: 471
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Date: Thu, 25 Jul 2024 13:43:03 GMT
Cache-Control: max-age=900
Last-Modified: Wed, 24 Jul 2024 16:10:09 GMT
Strict-Transport-Security: max-age=63072000; includeSubdomains
X-Content-Type-Options: nosniff
X-Vcap-Request-Id: ad770c1b-d6da-4cbb-5d7b-f19c47dceae9
X-Xss-Protection: 1; mode=block
X-Frame-Options: DENY
Content-Encoding: gzip
ETag: W/"ba21f6460806cc88c297b5ba95fab61f"
Vary: Accept-Encoding,Accept-Encoding,Accept-Encoding
X-Cache: Hit from cloudfront
Via: 1.1 6e01480ef7aa01c23bf600698a613304.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: EWR53-P1
X-Amz-Cf-Id: Zv2QahuRt5PYqI8rI9PYZKbHIIgyHepDRwznRcp17CAtGZEGv4soBQ==
Age: 471
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 | 55 | ||
| usa.gov | NS | 4072 | ||
| usa.gov | NS | 4072 | ||
| usa.gov | NS | 4072 | ||
| usa.gov | NS | 4072 | ||
| usa.gov | NS | 4072 | ||
| usa.gov | SOA | 10800 | expire: 1209600 serial: 739454861 | |
| usa.gov | TXT | d1rt4thgsoin5q.cloudfront.net | 10800 | |
| usa.gov | TXT | v=spf1 include:amazonses.com include:532040.spf10.hubspotemail.net ~all | 10800 | |
| usa.gov | TXT | MS=ms45746088 | 10800 | |
| usa.gov | TXT | amazonses:X5JKkKWosJlNPD8iJfPvNksuvQJzup3fDYEJtve9l20= | 10800 | |
| usa.gov | AAAA | 2600:1f18:f88:4313:6df7:f986:f915:78d6 | 300 |