alison.com 網站分析

alison.com - 基本信息

服務器:
cloudflare
IP:
未知
城市:
未知

alison.com - 搜索引擎收錄信息

百度:
Bing:
Google:

alison.com - 頁面信息

標題:
Alison | Free Online Courses & Online Learning
Meta 關鍵詞:
alison courses
Meta 描述信息:
Free online courses with certificates. Join 2 million graduates and empower your career. Study, learn, certify, upskill with free online learning and training
H1:
Free online courses from the world’s leading experts.

alison.com - 建站技術

服務器:
cloudflare
SSL 安全:
不可用
robots.txt:
不可用
XML 站點地圖:
不可用
Gzip 壓縮:
有效
favicon.ico:
不可用

alison.com - HTTP Head 分析

HTTP 協議採用了請求與響​​應模型,通過HTTP Header 定義了HTTP 傳輸過程中的必要參數。瀏覽器(例如​​Internet Explorer, Google Chrome, Firefox 等)並不會顯示HTTP header 字段的內容,下面是網站alison.com 的HTTP header 信息:
HTTP/1.1 200 OK
Date: Tue, 21 Sep 2021 02:43:54 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
X-Powered-By: PHP/7.2.34
Cache-Control: no-cache, private
Set-Cookie: alison_session=eyJpdiI6ImR5cjgyckF0OWFMZGFCTUJxOXFWMWc9PSIsInZhbHVlIjoiU1hkTE1aOUpiZnA3WVZQWXZtOGs5dWw2aUdNQmNRZUdBdFFqVGxBYlFic0czM0drU3dzdDRsR0xmdVJmazh3M2c2K1FnUG9VbG1vMThFV0NGVThCcERIb1NMZlNZdVZXQzNzYWswV3VBdWFhb2NWZUczK3V1V1VYcUJxNVBoZHkiLCJtYWMiOiI2NWUwYjQ3NGU4ZGQxZGJhYzU0NDNkNGY5OWVlYzM2YTY5YTIzMDQ4NzE1YzMyYmJkMzk4OTc5NmEzNTNiOTZjIn0%3D; expires=Tue, 21-Sep-2021 03:43:54 GMT; Max-Age=3600; path=/; domain=.alison.com; secure; httponly; samesite=lax
X-Frame-Options: SAMEORIGIN
Access-Control-Allow-Origin: *
Access-Control-Allow-Methods: POST, GET, OPTIONS, DELETE, PUT, PATCH
Access-Control-Max-Age: 1000
Access-Control-Allow-Headers: x-requested-with, Content-Type, origin, authorization, accept, client-security-token
X-XSS-Protection: 1; mode=block
Content-Security-Policy: frame-ancestors 'self';
X-Content-Type-Options: nosniff
CF-Cache-Status: DYNAMIC
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Strict-Transport-Security: max-age=31536000; preload
Server: cloudflare
CF-RAY: 691ff2d60e6e188d-EWR
Content-Encoding: gzip

alison.com - DNS 記錄分析

DNS 域名系統(Domain Name System,縮寫)是Internet 的一項基礎服務。它作為將域名和 IP 位址相互映射的一個分佈式數據庫,能夠使人更方便的訪問互聯網。 alison.com 當前共有 17 項 DNS 記錄。
主機 類型 IP/目標 TTL 擴充資訊
alison.comA300
alison.comA300
alison.comNS86400
alison.comNS86400
alison.comSOA3600expire: 604800
serial: 2038630937
alison.comMX300pri: 1
alison.comMX300pri: 10
alison.comMX300pri: 10
alison.comMX300pri: 5
alison.comMX300pri: 5
alison.comTXT
google-site-verification=A7Huw5jviMv61FexCkTIaw6gQXVACYaWBa0BLC1cUl0
300
alison.comTXT
google-site-verification=WCqYby8KgNjS7nB-tsJ8TyxUQq89NiyyhsuSbDWEbJk
300
alison.comTXT
loaderio=8ee466e908d093e449c9a7e40ae97f63
300
alison.comTXT
google-site-verification=FscGg9Go57I40Utb4x9cSoJ7Vwx3KO1VE2CbVD2M8l0
300
alison.comTXT
v=spf1 include:_spf.google.com include:servers.mcsv.net -all
300
alison.comAAAA
2606:4700:10::6814:1b2a
300
alison.comAAAA
2606:4700:10::6814:1a2a
300