www.computer-pdf.com 网站分析
www.computer-pdf.com - 基本信息
www.computer-pdf.com - 页面信息
标题:
Downloading free computer courses and tutorials in PDFMeta 关键词:
download, free, courses, materials, tutorials, training, computer, sciences, pdf, programmingMeta 描述信息:
Website for downloading free computer tutorials and courses on various format (PDF, DOC, PPT, ZIP).H1:
Free Computer Tutorials in PDF内部链接:
36 (0 nofollow)外部链接:
6 (2 nofollow)www.computer-pdf.com - 建站技术
服务器:
nginx
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www.computer-pdf.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 www.computer-pdf.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Server: nginx
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
Set-Cookie: XSRF-TOKEN=eyJpdiI6Im1wbVE0VFwvV2FBUm10SFk1bUtsNmlRPT0iLCJ2YWx1ZSI6Ilc3bGpPbUJ6dkpZSUVpRWFUcUVwVWRITkExT1hhTDZ4WnhWWjB2bGZcL1dBeDF6TFBmTm1IUGVMZGtka2oxSXRGIiwibWFjIjoiNGU3ODNhMGUxNWJlNmFiYTJlYjY2MWExYTlkMzY3ZGEyNWFhMTJjZjEyNmE0OGFiNGZiNmZjODFjMGVkMmE0YiJ9; expires=Tue, 09-Jun-2020 10:06:26 GMT; Max-Age=7200; path=/
Set-Cookie: computerpdf_session=eyJpdiI6ImFiRXVKdzZNazA4NmIyZGhZTnJtanc9PSIsInZhbHVlIjoiYThzZzJhNkFnRWJ5NEhrQnZ0TFBRbHNxak1FRHVyb2l0SjdyaUlqR0NJYWozK3U2ZTB2c1RwOWR6WmpcLzgrMTkiLCJtYWMiOiI1NDUwYjEyMTVmNDVjNzRlMGYxNDYyZDk4M2M3MWIzM2UyMGU5NGEzNzQ0ZWZkZjM2ZWNiMWEzYzJiM2VkNmUwIn0%3D; expires=Tue, 09-Jun-2020 10:06:26 GMT; Max-Age=7200; path=/; httponly
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
Strict-Transport-Security: max-age=31536000; includeSubDomains
Date: Tue, 09 Jun 2020 08:06:26 GMT
X-Page-Speed: 1.13.35.2-0
Cache-Control: max-age=0, no-cache
Content-Encoding: gzip
Server: nginx
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
Set-Cookie: XSRF-TOKEN=eyJpdiI6Im1wbVE0VFwvV2FBUm10SFk1bUtsNmlRPT0iLCJ2YWx1ZSI6Ilc3bGpPbUJ6dkpZSUVpRWFUcUVwVWRITkExT1hhTDZ4WnhWWjB2bGZcL1dBeDF6TFBmTm1IUGVMZGtka2oxSXRGIiwibWFjIjoiNGU3ODNhMGUxNWJlNmFiYTJlYjY2MWExYTlkMzY3ZGEyNWFhMTJjZjEyNmE0OGFiNGZiNmZjODFjMGVkMmE0YiJ9; expires=Tue, 09-Jun-2020 10:06:26 GMT; Max-Age=7200; path=/
Set-Cookie: computerpdf_session=eyJpdiI6ImFiRXVKdzZNazA4NmIyZGhZTnJtanc9PSIsInZhbHVlIjoiYThzZzJhNkFnRWJ5NEhrQnZ0TFBRbHNxak1FRHVyb2l0SjdyaUlqR0NJYWozK3U2ZTB2c1RwOWR6WmpcLzgrMTkiLCJtYWMiOiI1NDUwYjEyMTVmNDVjNzRlMGYxNDYyZDk4M2M3MWIzM2UyMGU5NGEzNzQ0ZWZkZjM2ZWNiMWEzYzJiM2VkNmUwIn0%3D; expires=Tue, 09-Jun-2020 10:06:26 GMT; Max-Age=7200; path=/; httponly
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
Strict-Transport-Security: max-age=31536000; includeSubDomains
Date: Tue, 09 Jun 2020 08:06:26 GMT
X-Page-Speed: 1.13.35.2-0
Cache-Control: max-age=0, no-cache
Content-Encoding: gzip
www.computer-pdf.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。computer-pdf.com 当前共有 8 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| computer-pdf.com | A | 1800 | ||
| computer-pdf.com | MX | 1800 | pri: 20 | |
| computer-pdf.com | MX | 1800 | pri: 10 | |
| computer-pdf.com | NS | 1800 | ||
| computer-pdf.com | NS | 1800 | ||
| computer-pdf.com | NS | 1800 | ||
| computer-pdf.com | SOA | 1800 | expire: 604800 serial: 1459147708 | |
| computer-pdf.com | TXT | v=spf1 include:mailgun.org ~all | 1800 |