www.w3schools.com 網站分析
www.w3schools.com - 基本信息
www.w3schools.com - 頁面信息
標題:
W3Schools Online Web TutorialsMeta 關鍵詞:
HTML, Python, CSS, SQL, JavaScript, How to, PHP, Java, C, C++, C#, jQuery, Bootstrap, Colors, W3.CSS, XML, MySQL, Icons, NodeJS, React, Graphics, Angular, R, AI, Git, Data Science, Code Game, Tutorials, Programming, Web Development, Training, Learning, Quiz, Exercises, Courses, Lessons, References, Examples, Learn to code, Source code, Demos, Tips, WebsiteMeta 描述信息:
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.H1:
Learn to Code內部鏈接:
159 (0 nofollow)外部鏈接:
64 (0 nofollow)www.w3schools.com - 建站技術
服務器:
ECS (nyb/1DCD)
SSL 安全:
有效
robots.txt:
XML 站點地圖:
不可用
Gzip 壓縮:
有效
favicon.ico:
www.w3schools.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www.w3schools.com 的HTTP header 信息:
HTTP/1.1 200 OK
Content-Encoding: gzip
Accept-Ranges: bytes
Age: 2877
Cache-Control: Public,public
Content-Security-Policy: frame-ancestors 'self' https://mycourses.w3schools.com;
Content-Type: text/html
Date: Sun, 09 Jul 2023 17:26:37 GMT
Expires: Sun, 09 Jul 2023 21:26:37 GMT
Last-Modified: Sun, 09 Jul 2023 16:38:40 GMT
Server: ECS (nyb/1DCD)
Vary: Accept-Encoding
X-Cache: HIT
X-Content-Security-Policy: frame-ancestors 'self' https://mycourses.w3schools.com;
X-Powered-By: ASP.NET
Content-Length: 224371
Content-Encoding: gzip
Accept-Ranges: bytes
Age: 2877
Cache-Control: Public,public
Content-Security-Policy: frame-ancestors 'self' https://mycourses.w3schools.com;
Content-Type: text/html
Date: Sun, 09 Jul 2023 17:26:37 GMT
Expires: Sun, 09 Jul 2023 21:26:37 GMT
Last-Modified: Sun, 09 Jul 2023 16:38:40 GMT
Server: ECS (nyb/1DCD)
Vary: Accept-Encoding
X-Cache: HIT
X-Content-Security-Policy: frame-ancestors 'self' https://mycourses.w3schools.com;
X-Powered-By: ASP.NET
Content-Length: 224371
www.w3schools.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。 w3schools.com 當前共有 12 項 DNS 記錄。
| 主機 | 類型 | IP/目標 | TTL | 擴充資訊 |
|---|---|---|---|---|
| w3schools.com | A | 3492 | ||
| w3schools.com | MX | 3600 | pri: 20 | |
| w3schools.com | MX | 3600 | pri: 30 | |
| w3schools.com | MX | 3600 | pri: 30 | |
| w3schools.com | MX | 3600 | pri: 30 | |
| w3schools.com | MX | 3600 | pri: 20 | |
| w3schools.com | MX | 3600 | pri: 10 | |
| w3schools.com | MX | 3600 | pri: 30 | |
| w3schools.com | NS | 3600 | ||
| w3schools.com | NS | 3600 | ||
| w3schools.com | SOA | 3600 | expire: 1209600 serial: 2005122550 | |
| w3schools.com | TXT | v=spf1 include:_spf.google.com ip4:148.122.215.227 ~all | 3600 |