WWW.GRADESAVER.COM 网站分析
WWW.GRADESAVER.COM 的 SEO 统计信息上次更新是在 60 天前。 我们已启动该网站的后台分析任务，请稍等几分钟。
基本信息
服务器:
未知
IP:
页面信息
标题:
Study Guides & Essay Editing | GradeSaver
Meta 关键词:
未知
Meta 描述信息:
GradeSaver offers study guides, application and school paper editing services,
literature essays, college application essays and writing help.
H1 Tag:
You have goals… we have help.
内部链接:
84 (6 nofollow)
外部链接:
5 (0 nofollow)
建站技术
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.gradesaver.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Date: Sat, 13 Jun 2020 21:33:56 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Server: nginx
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
ETag: W/"f48ae19892c5f7719b9977ec88d70d99"
Cache-Control: max-age=0, private, must-revalidate
Set-Cookie: _gradesaver-website_session=M1IyWVREM2NwYzZxSm9qOVBwR05sajNjV3EwNG1UQU0rdFpPZDAybGVaUzVwTS9YMVhsT2NjUkd2L281by9PN09TRDRGcXUyZkdmblpJaWYyVGJtZXk1a3FQMEVTNmpLV1NpNE5Sc0d1VVJhc1oranBpZnZ5aU4xTXVhQUtFT2UzYkhCTEsvcW0yaHRrd2ZjQ3JvbWJPQkUwU0FxMVlXZUM5REpObTR3ZlNReVJ1Mi9qT21HWUhBczhLU1E4Ui9Damo0U3o4WVNLbUh3cHhVQitqSVhDQT09LS1UVnFnR3RCdHZSRjU4dXMxYzZQRHBBPT0%3D--93b5adf9a99cb06ea1229b07f88fda51834b4cc1; path=/; secure; HttpOnly
X-Request-Id: 52da2b2f-af82-4cc1-b68f-4699196e8c71
X-Runtime: 0.023675
Strict-Transport-Security: max-age=15552000; includeSubDomains
Content-Encoding: gzip
Date: Sat, 13 Jun 2020 21:33:56 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Server: nginx
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
ETag: W/"f48ae19892c5f7719b9977ec88d70d99"
Cache-Control: max-age=0, private, must-revalidate
Set-Cookie: _gradesaver-website_session=M1IyWVREM2NwYzZxSm9qOVBwR05sajNjV3EwNG1UQU0rdFpPZDAybGVaUzVwTS9YMVhsT2NjUkd2L281by9PN09TRDRGcXUyZkdmblpJaWYyVGJtZXk1a3FQMEVTNmpLV1NpNE5Sc0d1VVJhc1oranBpZnZ5aU4xTXVhQUtFT2UzYkhCTEsvcW0yaHRrd2ZjQ3JvbWJPQkUwU0FxMVlXZUM5REpObTR3ZlNReVJ1Mi9qT21HWUhBczhLU1E4Ui9Damo0U3o4WVNLbUh3cHhVQitqSVhDQT09LS1UVnFnR3RCdHZSRjU4dXMxYzZQRHBBPT0%3D--93b5adf9a99cb06ea1229b07f88fda51834b4cc1; path=/; secure; HttpOnly
X-Request-Id: 52da2b2f-af82-4cc1-b68f-4699196e8c71
X-Runtime: 0.023675
Strict-Transport-Security: max-age=15552000; includeSubDomains
Content-Encoding: gzip
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。gradesaver.com 当前共有 15 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| gradesaver.com | A | 300 | ||
| gradesaver.com | MX | 3600 | pri: 10 | |
| gradesaver.com | MX | 3600 | pri: 10 | |
| gradesaver.com | MX | 3600 | pri: 5 | |
| gradesaver.com | MX | 3600 | pri: 5 | |
| gradesaver.com | MX | 3600 | pri: 10 | |
| gradesaver.com | MX | 3600 | pri: 10 | |
| gradesaver.com | MX | 3600 | pri: 1 | |
| gradesaver.com | NS | 172800 | ||
| gradesaver.com | NS | 172800 | ||
| gradesaver.com | NS | 172800 | ||
| gradesaver.com | NS | 172800 | ||
| gradesaver.com | SOA | 900 | expire: 1209600 serial: 1 | |
| gradesaver.com | TXT | v=spf1 mx include:_spf.google.com include:amazonses.com include:mail.zendesk.com include:servers.mcsv.net include:spf.mandrillapp.com ~all | 60 | |
| gradesaver.com | TXT | google-site-verification=D4uqnIMHdCF3xFRwkxQuxqn6hVkm8_rGCpi-KQ285h4 | 60 |