teachlr.com 网站分析
teachlr.com - 基本信息
teachlr.com - 页面信息
标题:
Teachlr: Online courses for everyoneMeta 关键词:
free online courses, online courses, courses, free courses, online learning, learn, online teaching, teach, education, online education, money, online moneyMeta 描述信息:
Teachlr empowers people through online courses. This knowledge marketplace is taking education to the next level and making it reachable for everyone around the globe.H1:
Online courses for today's
entrepreneurs
designers
managers
developers
students
speakers内部链接:
44 (0 nofollow)外部链接:
9 (0 nofollow)teachlr.com - 建站技术
服务器:
Apache/2.4.7 (Ubuntu)
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teachlr.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 teachlr.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Date: Sat, 23 May 2020 02:46:35 GMT
Server: Apache/2.4.7 (Ubuntu)
Access-Control-Allow-Origin: *
X-Powered-By: PHP/5.5.9-1ubuntu4.13
Set-Cookie: PHPSESSID=tqt76ermb1l9n1jmbru2o4lgg5; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Set-Cookie: teachlrCookieCountryUser=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/
Set-Cookie: teachlrCookieIPUser=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/
Set-Cookie: teachlrCookieCountryUser=US; expires=Fri, 21-Aug-2020 02:46:35 GMT; Max-Age=7776000; path=/
Set-Cookie: teachlrCookieIPUser=173.255.235.216; expires=Fri, 21-Aug-2020 02:46:35 GMT; Max-Age=7776000; path=/
Set-Cookie: langteachlrcookie=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/
Set-Cookie: langteachlrcookie=EN; expires=Fri, 21-Aug-2020 02:46:35 GMT; Max-Age=7776000; path=/
Vary: Accept-Encoding,User-Agent
Content-Encoding: gzip
Strict-Transport-Security: max-age=15768000
Transfer-Encoding: chunked
Content-Type: text/html; charset=ISO-8859-1
Date: Sat, 23 May 2020 02:46:35 GMT
Server: Apache/2.4.7 (Ubuntu)
Access-Control-Allow-Origin: *
X-Powered-By: PHP/5.5.9-1ubuntu4.13
Set-Cookie: PHPSESSID=tqt76ermb1l9n1jmbru2o4lgg5; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Set-Cookie: teachlrCookieCountryUser=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/
Set-Cookie: teachlrCookieIPUser=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/
Set-Cookie: teachlrCookieCountryUser=US; expires=Fri, 21-Aug-2020 02:46:35 GMT; Max-Age=7776000; path=/
Set-Cookie: teachlrCookieIPUser=173.255.235.216; expires=Fri, 21-Aug-2020 02:46:35 GMT; Max-Age=7776000; path=/
Set-Cookie: langteachlrcookie=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/
Set-Cookie: langteachlrcookie=EN; expires=Fri, 21-Aug-2020 02:46:35 GMT; Max-Age=7776000; path=/
Vary: Accept-Encoding,User-Agent
Content-Encoding: gzip
Strict-Transport-Security: max-age=15768000
Transfer-Encoding: chunked
Content-Type: text/html; charset=ISO-8859-1
teachlr.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。teachlr.com 当前共有 15 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| teachlr.com | A | 180 | ||
| teachlr.com | MX | 14400 | pri: 5 | |
| teachlr.com | MX | 14400 | pri: 10 | |
| teachlr.com | MX | 14400 | pri: 1 | |
| teachlr.com | MX | 14400 | pri: 10 | |
| teachlr.com | MX | 14400 | pri: 5 | |
| teachlr.com | NS | 86400 | ||
| teachlr.com | NS | 86400 | ||
| teachlr.com | NS | 86400 | ||
| teachlr.com | NS | 86400 | ||
| teachlr.com | NS | 86400 | ||
| teachlr.com | NS | 86400 | ||
| teachlr.com | SOA | 86400 | expire: 1209600 serial: 2009010965 | |
| teachlr.com | TXT | v=spf1 include:servers.mcsv.net ?all | 1800 | |
| teachlr.com | TXT | v=spf1 include:spf.mandrillapp.com ?all | 1800 |