www.duolingo.com 網站分析

www.duolingo.com - 基本信息

網站標題:
服務器:
duo-api
IP:
未知
城市:
未知

www.duolingo.com - 搜索引擎收錄信息

百度:
Bing:
Google:

www.duolingo.com - 頁面信息

標題:
Duolingo
Meta 關鍵詞:
learn, spanish, german, french, portuguese, italian, english, free, lessons, course, language, study, flashcards
Meta 描述信息:
Duolingo is the world's most popular way to learn a language. It's 100% free, fun and science-based. Practice online on duolingo.com or on the apps!
H1:
未知

www.duolingo.com - 建站技術

服務器:
duo-api
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.duolingo.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.duolingo.com 的HTTP header 信息:
HTTP/1.1 200 OK
Date: Wed, 03 Jun 2020 08:27:05 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
set-cookie: AWSALB=KdNFdBHz/F9aED3eR6wMH0TKD2+qqfgD4T/ibVabLejRWszjLmmLUNHEzS6XbpItKm74QS7IO01bpOBWmIeKCfn10UcH9Jf196ELl22a8hgxIfffWZ/SrT85xRRn; Expires=Wed, 10 Jun 2020 08:27:05 GMT; Path=/
set-cookie: AWSALBCORS=KdNFdBHz/F9aED3eR6wMH0TKD2+qqfgD4T/ibVabLejRWszjLmmLUNHEzS6XbpItKm74QS7IO01bpOBWmIeKCfn10UcH9Jf196ELl22a8hgxIfffWZ/SrT85xRRn; Expires=Wed, 10 Jun 2020 08:27:05 GMT; Path=/; SameSite=None; Secure
server: duo-api
set-cookie: logged_out_uuid=694c6308-463c-452e-9d44-0cac6bcf88c1; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Thu, 03-Jun-2021 08:27:05 GMT
set-cookie: lang=en; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Thu, 03-Jun-2021 08:27:05 GMT
surrogate-control: no-store
expires: 0
pragma: no-cache
cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
x-frame-options: SAMEORIGIN
x-tid: ffff052d5ed75dee01fc
x-ws: UK
set-cookie: wuuid=bbc23970-6008-493b-9cc1-0a5ec819144d
x-runtime: 0.02853
x-ipcountry: US
content-encoding: gzip
x-envoy-upstream-service-time: 30
x-duo-request-host: www.duolingo.com

www.duolingo.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。 duolingo.com 當前共有 15 項 DNS 記錄。
主機 類型 IP/目標 TTL 擴充資訊
duolingo.comA57
duolingo.comMX297pri: 20
duolingo.comMX297pri: 30
duolingo.comMX297pri: 30
duolingo.comMX297pri: 30
duolingo.comMX297pri: 30
duolingo.comMX297pri: 20
duolingo.comMX297pri: 10
duolingo.comNS172796
duolingo.comNS172796
duolingo.comNS172796
duolingo.comNS172796
duolingo.comSOA897expire: 1209600
serial: 1
duolingo.comTXT
v=spf1 include:amazonses.com include:_spf.google.com include:mail.zendesk.com include:aspmx.pardot.com include:servers.mcsv.net ~all
297
duolingo.comTXT
google-site-verification=-gYRazZEIOhvxOdU1PoQKHnNKCzh4tLjXJasFnr0eHQ
297