REFERENCE.WOLFRAM.COM 网站分析
REFERENCE.WOLFRAM.COM 的 SEO 统计数据至少 60 天未更新。我们已针对该网站启动后台分析任务，请等待几分钟。
基本信息
服务器:
未知
IP:
页面信息
标题:
Wolfram Language & System Documentation Center
Meta 关键词:
未知
Meta 描述信息:
Comprehensive documentation for Mathematica and the Wolfram Language. Details and examples for functions, symbols, and workflows. Organized by functionality and usage.
H1 Tag:
未知
内部链接:
186 (0 nofollow)
外部链接:
182 (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 reference.wolfram.com 的 HTTP header 信息:
HTTP/1.1 301 Moved Permanently
Date: Mon, 01 Jun 2020 17:36:55 GMT
Server: Apache
Location: http://reference.wolfram.com/language
Content-Length: 245
Content-Type: text/html; charset=iso-8859-1
HTTP/1.1 302 Found
Date: Mon, 01 Jun 2020 17:36:55 GMT
Server: Apache
Location: https://reference.wolfram.com/language
Content-Length: 222
Content-Type: text/html; charset=iso-8859-1
HTTP/1.1 301 Moved Permanently
Date: Mon, 01 Jun 2020 17:36:55 GMT
Server: Apache
Location: https://reference.wolfram.com/language/
Content-Length: 247
Content-Type: text/html; charset=iso-8859-1
HTTP/1.1 200 OK
Date: Mon, 01 Jun 2020 17:36:55 GMT
Server: Apache
Content-Location: index.html.en
Vary: negotiate,accept-language
TCN: choice
Set-Cookie: WR_SID=173.255.235.216.1591033015175255; path=/; expires=Thu, 30-May-30 17:36:55 GMT; domain=.wolfram.com
Accept-Ranges: bytes
Transfer-Encoding: chunked
Content-Type: text/html
Content-Language: en
Date: Mon, 01 Jun 2020 17:36:55 GMT
Server: Apache
Location: http://reference.wolfram.com/language
Content-Length: 245
Content-Type: text/html; charset=iso-8859-1
HTTP/1.1 302 Found
Date: Mon, 01 Jun 2020 17:36:55 GMT
Server: Apache
Location: https://reference.wolfram.com/language
Content-Length: 222
Content-Type: text/html; charset=iso-8859-1
HTTP/1.1 301 Moved Permanently
Date: Mon, 01 Jun 2020 17:36:55 GMT
Server: Apache
Location: https://reference.wolfram.com/language/
Content-Length: 247
Content-Type: text/html; charset=iso-8859-1
HTTP/1.1 200 OK
Date: Mon, 01 Jun 2020 17:36:55 GMT
Server: Apache
Content-Location: index.html.en
Vary: negotiate,accept-language
TCN: choice
Set-Cookie: WR_SID=173.255.235.216.1591033015175255; path=/; expires=Thu, 30-May-30 17:36:55 GMT; domain=.wolfram.com
Accept-Ranges: bytes
Transfer-Encoding: chunked
Content-Type: text/html
Content-Language: en
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。wolfram.com 当前共有 13 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| wolfram.com | A | 300 | ||
| wolfram.com | A | 300 | ||
| wolfram.com | HINFO | 7200 | ||
| wolfram.com | MX | 7200 | pri: 10 | |
| wolfram.com | MX | 7200 | pri: 5 | |
| wolfram.com | MX | 7200 | pri: 10 | |
| wolfram.com | MX | 7200 | pri: 50 | |
| wolfram.com | NS | 7200 | ||
| wolfram.com | NS | 7200 | ||
| wolfram.com | NS | 7200 | ||
| wolfram.com | NS | 7200 | ||
| wolfram.com | SOA | 7200 | expire: 604800 serial: 3470 | |
| wolfram.com | TXT | v=spf1 mx a:relay.wolfram.com a:relay-int.wolfram.com a:mailhub.wolfram.com a:mailer.wolfram.com a:mercury.wolfram.com ~all | 7200 |