www.gcflearnfree.org 網站分析
www.gcflearnfree.org - 基本信息
www.gcflearnfree.org - 頁面信息
標題:
Free Online Learning at GCFGlobalMeta 關鍵詞:
未知Meta 描述信息:
GCFGLobal - The freedom to learn what you want, when you want, absolutely free! Check out our Everyday Life, Basic Math, and Computer Training today!H1:
未知內部鏈接:
75 (0 nofollow)外部鏈接:
18 (0 nofollow)www.gcflearnfree.org - 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www.gcflearnfree.org - 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.gcflearnfree.org 的HTTP header 信息:
HTTP/1.1 301 Moved Permanently
Date: Thu, 11 Jun 2020 03:57:09 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 63
Connection: keep-alive
Set-Cookie: __cfduid=db7e65b0cb87b299e7961d2a09cbad3a91591847829; expires=Sat, 11-Jul-20 03:57:09 GMT; path=/; domain=.gcflearnfree.org; HttpOnly; SameSite=Lax
Location: https://edu.gcfglobal.org/en/
Vary: Accept
X-Powered-By: Express
Access-Control-Allow-Origin: *
Access-Control-Allow-Methods: GET,PUT,POST,DELETE,OPTIONS
Access-Control-Allow-Headers: Content-Type, Authorization, Content-Length, X-Requested-With
X-Powered-By: ASP.NET
CF-Cache-Status: DYNAMIC
cf-request-id: 03431f56920000e6ccd23fd200000001
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 5a1868041ec5e6cc-EWR
HTTP/1.1 200 OK
Date: Thu, 11 Jun 2020 03:57:09 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Set-Cookie: __cfduid=d5c45ef8833f475c73d446871c0644e8b1591847829; expires=Sat, 11-Jul-20 03:57:09 GMT; path=/; domain=.gcfglobal.org; HttpOnly; SameSite=Lax
Vary: Accept-Encoding
X-Powered-By: Express
X-Powered-By: ASP.NET
Set-Cookie: ARRAffinity=9864e21b29cc140c922d719869dc7cd8f75e92eef9bd9cb345154ce3e45484f8;Path=/;HttpOnly;Domain=edu.gcfglobal.org
CF-Cache-Status: DYNAMIC
cf-request-id: 03431f57240000e72496b78200000001
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 5a1868050af5e724-EWR
Content-Encoding: gzip
Date: Thu, 11 Jun 2020 03:57:09 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 63
Connection: keep-alive
Set-Cookie: __cfduid=db7e65b0cb87b299e7961d2a09cbad3a91591847829; expires=Sat, 11-Jul-20 03:57:09 GMT; path=/; domain=.gcflearnfree.org; HttpOnly; SameSite=Lax
Location: https://edu.gcfglobal.org/en/
Vary: Accept
X-Powered-By: Express
Access-Control-Allow-Origin: *
Access-Control-Allow-Methods: GET,PUT,POST,DELETE,OPTIONS
Access-Control-Allow-Headers: Content-Type, Authorization, Content-Length, X-Requested-With
X-Powered-By: ASP.NET
CF-Cache-Status: DYNAMIC
cf-request-id: 03431f56920000e6ccd23fd200000001
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 5a1868041ec5e6cc-EWR
HTTP/1.1 200 OK
Date: Thu, 11 Jun 2020 03:57:09 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Set-Cookie: __cfduid=d5c45ef8833f475c73d446871c0644e8b1591847829; expires=Sat, 11-Jul-20 03:57:09 GMT; path=/; domain=.gcfglobal.org; HttpOnly; SameSite=Lax
Vary: Accept-Encoding
X-Powered-By: Express
X-Powered-By: ASP.NET
Set-Cookie: ARRAffinity=9864e21b29cc140c922d719869dc7cd8f75e92eef9bd9cb345154ce3e45484f8;Path=/;HttpOnly;Domain=edu.gcfglobal.org
CF-Cache-Status: DYNAMIC
cf-request-id: 03431f57240000e72496b78200000001
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 5a1868050af5e724-EWR
Content-Encoding: gzip
www.gcflearnfree.org - 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。 gcflearnfree.org 當前共有 11 項 DNS 記錄。
| 主機 | 類型 | IP/目標 | TTL | 擴充資訊 |
|---|---|---|---|---|
| gcflearnfree.org | A | 300 | ||
| gcflearnfree.org | A | 300 | ||
| gcflearnfree.org | MX | 3600 | pri: 0 | |
| gcflearnfree.org | NS | 86400 | ||
| gcflearnfree.org | NS | 86400 | ||
| gcflearnfree.org | SOA | 86400 | expire: 604800 serial: 2022390610 | |
| gcflearnfree.org | TXT | google-site-verification=AwF_cJwlS0QiwHqeHpCzyK7NyMsrG06gy0VryZE0kJQ | 300 | |
| gcflearnfree.org | TXT | MS=ms72137629 | 3600 | |
| gcflearnfree.org | TXT | v=spf1 include:spf.protection.outlook.com -all | 3600 | |
| gcflearnfree.org | TXT | v=spf1 a mx ptr ip4:75.103.118.39 mx:www.goodwillmail.org ip4:75.103.118.39 ~all | 300 | |
| gcflearnfree.org | TXT | v=spf1 a mx ptr ip4:70.62.101.114 ~all | 300 |