www.codecademy.com 网站分析

www.codecademy.com - 基本信息

域名年龄:
7 年 9 月
Archive.org 首次缓存:
robots.txt:
XML 站点地图:
不可用
Alexa 流量排名:
服务器:
app-13
国家或地区:

www.codecademy.com - 搜索引擎收录信息

360:
百度:
Bing:
Google:
搜狗:
Yandex:

www.codecademy.com - 安全分析

McAfee SiteAdvisor:
WOT:
Norton 安全网站:

www.codecademy.com - 社交网络(SNS)分析

Delicious:
未知
Stumbleupon:
0
Facebook Likes:
0
Twitter Tweets:
未知
Google Plus Likes:
0

www.codecademy.com - 页面信息

标题:
Learn to Code - for Free | Codecademy
长度: 37 字符; 最佳长度: 10 ~ 60 字符
Meta 关键词:
codecademy,coding,code,programming
长度: 34 字符
Meta 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.
长度: 285 字符; 最佳长度: 50 ~ 160 字符
H1:
Join the Millions Learning to Code with Codecademy
长度: 52 字符
内部链接:
10 (0 nofollow)
外部链接:
7 (0 nofollow)

www.codecademy.com - 流量排名分析

Alexa 流量分析图:
全球日均排名趋势
(6 个月)
全球日均排名趋势
(2 年)
日均用户页面浏览数 日均访问 搜索引擎访客
全球日均排名趋势 (6 个月): www.codecademy.com 全球日均排名趋势 (2 年): www.codecademy.com 日均用户页面浏览数: www.codecademy.com 日均访问 (每百万): www.codecademy.com 搜索引擎访客 (百分比): www.codecademy.com
全球日均排名趋势 (6 个月): www.codecademy.com
Compete 独立IP浏览量:
Compete 独立IP浏览量: www.codecademy.com

www.codecademy.com - 建站技术

服务器:
app-13
SSL 安全:
有效
robots.txt:
XML 站点地图:
不可用
Gzip 压缩:
有效
Favicon.ico:

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: Mon, 25 Mar 2019 07:31:13 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Set-Cookie: __cfduid=d6fc71f95494d819e4e44e940987c78221553499073; expires=Tue, 24-Mar-20 07:31:13 GMT; path=/; domain=.codecademy.com; HttpOnly
Access-Control-Allow-Origin: *
Access-Control-Request-Method: *
Cache-Control: max-age=0, private, must-revalidate
Set-Cookie: locale=en; path=/; expires=Fri, 25-Mar-2039 07:31:13 GMT; secure
Set-Cookie: initial_referrer=%24direct; path=/; expires=Wed, 25-Mar-2020 07:31:13 GMT; secure
Set-Cookie: initial_referring_domain=%24direct; path=/; expires=Wed, 25-Mar-2020 07:31:13 GMT; secure
Set-Cookie: _session_id=BAh7CEkiD3Nlc3Npb25faWQGOgZFVEkiJTczMTM0OTE2MzQxNTMwYmZiYmUwMzNlMjg4Y2E3MjExBjsAVEkiFmFub255bW91c191c2VyX2lkBjsAVFU6Gk1vcGVkOjpCU09OOjpPYmplY3RJZCIRXJiDwSKQyQ%2BSAACrSSIQX2NzcmZfdG9rZW4GOwBGSSIxRDc5dmJUOU9jcWx3eWdCSDk1R0ZNYjU2Vk1rZHZsWTFXcTNxc0xiai9FQT0GOwBG--a616f031c1116b364ac776651e7b85ce16c586cf; path=/; secure; HttpOnly
Status: 200 OK
Strict-Transport-Security: max-age=31536000
Vary: Accept-Encoding
X-Backend-Server: app-13
X-Frame-Options: SAMEORIGIN
X-Rack-Cache: miss
X-Request-Id: 0fe7c74a36936cd74c8ea96fa6d6b6a7
X-Runtime: 0.061808
X-UA-Compatible: IE=Edge,chrome=1
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 4bcf2f1a4b30924e-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.comA60
codecademy.comA60
codecademy.comMX300pri: 10
codecademy.comMX300pri: 10
codecademy.comMX300pri: 5
codecademy.comMX300pri: 5
codecademy.comMX300pri: 1
codecademy.comNS1800
codecademy.comNS1800
codecademy.comNS1800
codecademy.comNS1800
codecademy.comSOA900expire: 1209600
serial: 1
codecademy.comTXT
v=spf1 include:aspmx.sailthru.com include:aspmx.googlemail.com include:customeriomail.com include:mailgun.org ~all
1800
codecademy.comTXT
google-site-verification=r2p-E-XcrQLZSmzguFJ-uAOe0-RZlFEDVtd0TdZ6uuM
1800
codecademy.comTXT
spf2.0/pra include:aspmx.sailthru.com include:aspmx.googlemail.com -all
1800