OCW.MIT.EDU 網站分析

搜索引擎收錄信息

必應:
Google:

頁面信息

標題:
MIT OpenCourseWare | Free Online Course Materials
長度: 49 字元; 最佳長度: 10 ~ 60 字元
Meta 描述信息:
MIT OpenCourseWare is a web based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity
長度: 153 字元; 最佳長度: 50 ~ 160 字元
Meta 關鍵詞:
opencourseware,MIT OCW,courseware,MIT opencourseware,Free Courses,class notes,class syllabus,class materials,tutorials,online courses,MIT courses
長度: 145 字元; 最佳長度: 10 ~ 255 字元
H1標籤:
You are leaving MIT OpenCourseWare
長度: 34 字元; 最佳長度: 10 ~ 255 字元

建站技術

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

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ocw.mit.edu 的HTTP header 信息:
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 141054
Last-Modified: Thu, 08 May 2025 15:54:21 GMT
ETag: "18b50e7f9217cff9b686ed6405e6da0f"
x-amz-server-side-encryption: AES256
x-amz-meta-site-id: ocw-www
Content-Type: text/html
Access-Control-Allow-Origin: *
Content-Encoding: gzip
Accept-Ranges: bytes
Date: Fri, 16 May 2025 06:32:44 GMT
Age: 52608
X-Served-By: cache-iad-kjyo7100054-IAD
X-Cache: HIT
X-Cache-Hits: 1
Vary: Accept-Encoding
Strict-Transport-Security: max-age=300

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。 mit.edu 當前共有 35 項 DNS 記錄。
主機 類型 IP/目標 TTL 擴充資訊
mit.eduA10
mit.eduNS918
mit.eduNS918
mit.eduNS918
mit.eduNS918
mit.eduNS918
mit.eduNS918
mit.eduNS918
mit.eduNS918
mit.eduSOA333expire: 3600000
serial: 21138
mit.eduMX120pri: 100
mit.eduTXT
google-site-verification=pqf9o422iIeT7mzfZmQwkpLYH3VTlB05OC9c_OncFOg
1452
mit.eduTXT
mandrill_verify.28vVgPhRZLda1o_v90CPWg
1452
mit.eduTXT
e2ma-verification=mongb
1452
mit.eduTXT
e2ma-verification=8awbb
1452
mit.eduTXT
amazonses:asyYfDTQj+TCy9t5jFbakgwGbomDqXREEs3KdC0iMQE=
1452
mit.eduTXT
openai-domain-verification=dv-pavuNIk1XG88x99BoqSFI0Zs
1452
mit.eduTXT
pardot_310211_*=a4e9728d1b90355b6240f4d7778cc4da11c10a20552ae99e6ed03d8e48c06583
1452
mit.eduTXT
docusign=78c4c36c-1180-44b1-b277-be9be4a08b73
1452
mit.eduTXT
1VNZ334aKc8FypCKDhIMOQBsKFd8gCgTFQuPlDwQfzPNxPCKonTOnhuFQ8+kE32E2TgkBiOp9EFab5nfVc+38g==
1452
mit.eduTXT
stripe-verification=fe726543b783764b2ba9137f4e675faa0709416ac7a5d9f50e21248a706ad93d
1452
mit.eduTXT
airtable-manual-domain-verification=ce83c94e-0127-4fd3-9265-3b37a46a7b8a
1452
mit.eduTXT
google-site-verification=6ethhhET4cfz7L1Dfve9bCOTAqMr6IU79Va6gb8HxlA
1452
mit.eduTXT
e2ma-verification=c8d4
1452
mit.eduTXT
e2ma-verification=86jgb
1452
mit.eduTXT
docusign=37fbdad0-5267-4b79-9402-ff9df7e9331f
1452
mit.eduTXT
v=spf1 include:_s00430413.autospf.email -all
1452
mit.eduTXT
mgverify=2a07014ab707abf9b6f984210c05ef7a1fd905296aebe173776844c14db61c1e
1452
mit.eduTXT
google-site-verification=b4-1loZHD1WzNmews_hsTTKL__gLblD6iKBFbA4j97c
1452
mit.eduTXT
adobe-idp-site-verification=0817e32603f0dda03188b9f1f3bbaf4f754c5322926036af8890df7bf65cb90d
1452
mit.eduTXT
ecgkc7fnflsm01hh6uqjr86h02
1452
mit.eduTXT
google-site-verification=qNAffaSjUkhb2JCBb1BQ2nXAkcNYLeLc7G6vjMRD1js
1452
mit.eduTXT
airtable-verification=46ae122907d40a1413b6a05898774435
1452
mit.eduAAAA
2600:141b:1c00:2484::255e
20
mit.eduAAAA
2600:141b:1c00:248d::255e
20