www.khanacademy.org 网站分析

www.khanacademy.org - 基本信息

服务器:
Google Frontend
IP:
未知
城市:
未知

www.khanacademy.org - 搜索引擎收录信息

百度:
Bing:
Google:

www.khanacademy.org - 页面信息

标题:
Khan Academy | Free Online Courses, Lessons & Practice
Meta 关键词:
khan academy, learn, videos, lectures, practice, exercises, skills
Meta 描述信息:
You can learn anything. Expert-created content and resources for every course and level. Always free.
H1:
For every student,every classroom.Real results.

www.khanacademy.org - 建站技术

服务器:
Google Frontend
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.khanacademy.org - 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.khanacademy.org 的 HTTP header 信息:
HTTP/1.1 200 OK
Connection: keep-alive
Content-Type: text/html; charset=utf-8
Cache-Control: no-cache
Set-Cookie: fkey=1.0_xfkzgtb6gHOYVA==_1591143445; Path=/; secure
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
Set-Cookie: gae_b_id=!$SflbiuqvkvO0NifUuunJJ27mVk3ZkopqmmVIcMd87oE.%qbbq51%1$a2FpZF81MjIzMDAyMTQ4ODE1OTMxMjM1NzczNjI; expires=Thu, 03 Jun 2021 00:17:25 GMT; httponly; Max-Age=31536000; Path=/; secure
Set-Cookie: ka_session=L87hl2G-h5jWUVpI80vZ4REjfTv5lOkj4WBivNhR:1591143445:1591143445:1:; expires=Thu, 03 Jun 2021 00:17:25 GMT; Max-Age=31536000; Path=/
Content-Encoding: gzip
X-Cloud-Trace-Context: cf39131324a3ceab5db61a3c5ed23c9e
Server: Google Frontend
Expires: Wed, 03 Jun 2020 00:17:25 GMT
Accept-Ranges: bytes
Via: 1.1 varnish
Set-Cookie: KAVID=f7a4a4b9-aa90-4c67-a1f7-9ef0e78d5519; expires=Fri, 03 Jun 2022 00:17:25 GMT; path=/;
Accept-Ranges: bytes
Date: Wed, 03 Jun 2020 00:17:25 GMT
Via: 1.1 varnish
X-Served-By: cache-mdw17371-MDW, cache-lga21921-LGA
X-Cache: MISS, MISS
X-Cache-Hits: 0, 0
X-Timer: S1591143445.269402,VS0,VE109
Vary: X-KA-Use-Render-Gateway, Accept-Encoding
transfer-encoding: chunked

www.khanacademy.org - 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。khanacademy.org 当前共有 29 项 DNS 记录。
主机 类型 IP/目标 TTL 扩充信息
khanacademy.orgA60
khanacademy.orgA60
khanacademy.orgA60
khanacademy.orgA60
khanacademy.orgNS172800
khanacademy.orgNS172800
khanacademy.orgNS172800
khanacademy.orgNS172800
khanacademy.orgSOA300expire: 1209600
serial: 1
khanacademy.orgMX300pri: 1
khanacademy.orgMX300pri: 10
khanacademy.orgMX300pri: 10
khanacademy.orgMX300pri: 5
khanacademy.orgMX300pri: 5
khanacademy.orgTXT
MS=ms10049948
300
khanacademy.orgTXT
_globalsign-domain-verification=Ca9ol7KyPTrPtyGjL1BqGx_wv6SymozDmCXhHJveUr
300
khanacademy.orgTXT
_globalsign-domain-verification=Prrz12gznJzJiHaajX3CnPfpqK6hhLae0miMSZ_BGa
300
khanacademy.orgTXT
_globalsign-domain-verification=e70UZqvudGByIeilV8oO0gubBZi0P7QLakTxKub-zS
300
khanacademy.orgTXT
apple-domain-verification=FBF7Yx9o3htFHZ7m
300
khanacademy.orgTXT
botify-site-verification=sGRcFNKzIkHzx1jtsQ7YkiT8hgWB6RiU
300
khanacademy.orgTXT
facebook-domain-verification=8kvuco8ljlv8t1aedswjypctrp1pk3
300
khanacademy.orgTXT
globalsign-domain-verification=qV_5Us2mt6FO1Ig5hnG4kYHESYAxuH5-qZ0cRXC-Ig
300
khanacademy.orgTXT
google-site-verification=JML6gcy7DbE1dA3JB9W4O6EB9uQ8bpOlJTyniVCgd-o
300
khanacademy.orgTXT
google-site-verification=Jiabx8hC-zV0E8-hAj40dHCY_oWNIvfqkNe7VFnGbCs
300
khanacademy.orgTXT
google-site-verification=SprWzGYoIdXdFrUCSyBhXJtHzFjE8FAQNlTamgKenhU
300
khanacademy.orgTXT
google-site-verification=sHrvDlgokhtbjBWsn8Dhu616EFRRv8GD0C1AU4_1gl4
300
khanacademy.orgTXT
google-site-verification=y1w1HGdtmQcg92Uy4JtubYkFtDDshCwmDXTFCgjpr-Y
300
khanacademy.orgTXT
spf2.0/pra include:_spf.google.com include:sendgrid.net include:aspmx.sailthru.com -all
300
khanacademy.orgTXT
v=spf1 include:_spf.google.com include:sendgrid.net include:aspmx.sailthru.com exists:%{i}._spf.mta.salesforce.com include:mail.zendesk.com include:mg-spf.greenhouse.io -all
300