www.codecademy.com 网站分析
www.codecademy.com - 基本信息
www.codecademy.com - 页面信息
标题:
Learn to Code - for Free | CodecademyMeta 关键词:
codecademy,coding,code,programmingMeta 描述信息:
Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment. Start with HTML, CSS, JavaScript, SQL, Python, Data Science, and more. H1:
Join the Millions Learning to Code with Codecademy内部链接:
41 (0 nofollow)外部链接:
8 (0 nofollow)www.codecademy.com - 建站技术
服务器:
cloudflare
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.codecademy.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.codecademy.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Date: Thu, 28 May 2020 02:31:26 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Set-Cookie: __cfduid=d9d3ee9104f091d93c843e6a2590ada441590633085; expires=Sat, 27-Jun-20 02:31:25 GMT; path=/; domain=.codecademy.com; HttpOnly; SameSite=Lax
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
X-Download-Options: noopen
X-Permitted-Cross-Domain-Policies: none
Referrer-Policy: strict-origin-when-cross-origin
Access-Control-Allow-Origin: *
Access-Control-Request-Method: *
Cache-Control: max-age=0, private, must-revalidate
Set-Cookie: initial_referrer=%24direct; path=/; expires=Fri, 28 May 2021 02:31:25 -0000; secure
X-Request-Id: 21ac5adc-818b-44e7-8479-669c88a866fb
X-Runtime: 0.155659
Strict-Transport-Security: max-age=31536000; includeSubDomains
Vary: Accept-Encoding
set-cookie: initial_referring_domain=%24direct; path=/; expires=Fri, 28 May 2021 02:31:25 -0000; secure
set-cookie: _session_id=4f9d67278e080c6c4fbb52aeb259709d; path=/; expires=Thu, 11 Jun 2020 02:31:26 -0000; secure; HttpOnly
CF-Cache-Status: DYNAMIC
cf-request-id: 02fab7d38e0000eff90488e200000001
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 59a48f327e77eff9-EWR
Content-Encoding: gzip
Date: Thu, 28 May 2020 02:31:26 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Set-Cookie: __cfduid=d9d3ee9104f091d93c843e6a2590ada441590633085; expires=Sat, 27-Jun-20 02:31:25 GMT; path=/; domain=.codecademy.com; HttpOnly; SameSite=Lax
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
X-Download-Options: noopen
X-Permitted-Cross-Domain-Policies: none
Referrer-Policy: strict-origin-when-cross-origin
Access-Control-Allow-Origin: *
Access-Control-Request-Method: *
Cache-Control: max-age=0, private, must-revalidate
Set-Cookie: initial_referrer=%24direct; path=/; expires=Fri, 28 May 2021 02:31:25 -0000; secure
X-Request-Id: 21ac5adc-818b-44e7-8479-669c88a866fb
X-Runtime: 0.155659
Strict-Transport-Security: max-age=31536000; includeSubDomains
Vary: Accept-Encoding
set-cookie: initial_referring_domain=%24direct; path=/; expires=Fri, 28 May 2021 02:31:25 -0000; secure
set-cookie: _session_id=4f9d67278e080c6c4fbb52aeb259709d; path=/; expires=Thu, 11 Jun 2020 02:31:26 -0000; secure; HttpOnly
CF-Cache-Status: DYNAMIC
cf-request-id: 02fab7d38e0000eff90488e200000001
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 59a48f327e77eff9-EWR
Content-Encoding: gzip
www.codecademy.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。codecademy.com 当前共有 15 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| codecademy.com | A | 60 | ||
| codecademy.com | A | 60 | ||
| codecademy.com | MX | 300 | pri: 10 | |
| codecademy.com | MX | 300 | pri: 10 | |
| codecademy.com | MX | 300 | pri: 5 | |
| codecademy.com | MX | 300 | pri: 5 | |
| codecademy.com | MX | 300 | pri: 1 | |
| codecademy.com | NS | 1800 | ||
| codecademy.com | NS | 1800 | ||
| codecademy.com | NS | 1800 | ||
| codecademy.com | NS | 1800 | ||
| codecademy.com | SOA | 900 | expire: 1209600 serial: 1 | |
| codecademy.com | TXT | v=spf1 include:aspmx.sailthru.com include:aspmx.googlemail.com include:customeriomail.com include:mailgun.org ~all | 1800 | |
| codecademy.com | TXT | google-site-verification=r2p-E-XcrQLZSmzguFJ-uAOe0-RZlFEDVtd0TdZ6uuM | 1800 | |
| codecademy.com | TXT | spf2.0/pra include:aspmx.sailthru.com include:aspmx.googlemail.com -all | 1800 |