WWW.COURSERA.ORG ウェブサイトのレビュー
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基本情報
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Unknown
IP:
ページ情報
Title:
Coursera | Online Courses & Credentials From Top Educators. Join for Free
Meta keywords:
Unknown
Meta description:
Learn online and earn valuable credentials from top universities like Yale, Michigan, Stanford, and leading companies like Google and IBM. Join Coursera for free and transform your career with degrees, certificates, Specializations, & MOOCs in data science, computer science, business, and dozens of other topics.
H1 Tag:
Learn without limits
Internal links:
154 (0 nofollow)
External links:
20 (0 nofollow)
Site Technology
Server:
Unknown
SSL セキュア:
利用可能
robots.txt:
XML サイトマップ:
Unavailable
Gzip 圧縮:
利用可能
favicon.ico:
HTTP ヘッダー分析
HTTP ヘッダー フィールドは、ハイパーテキスト転送プロトコル (HTTP) の要求と応答のメッセージ ヘッダーのコンポーネントです。 これらは、HTTP トランザクションの操作パラメータを定義します。 ヘッダー フィールドは、Internet Explorer、Google Chrome、Firefox などの通常の Web ブラウザでは直接表示されません。以下は www.coursera.org:
HTTP/1.1 200 OK
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Cache-Control: private, no-cache, no-store, must-revalidate, max-age=0
Content-Encoding: gzip
Date: Sun, 15 May 2022 23:46:45 GMT
etag: W/"cdc5a-VoRflHFNCenDiVtOjc52jdqhxp0"
Server: envoy
Set-Cookie: CSRF3-Token=1653522405.kkGXrukpwbx2woOa; Max-Age=864000; Expires=Wed, 25 May 2022 23:46:45 GMT; Path=/; Domain=.coursera.org
Set-Cookie: __204u=6357210781-1652658405636; Max-Age=31536000; Expires=Mon, 15 May 2023 23:46:45 GMT; Path=/; Domain=.coursera.org
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Vary: Accept-Encoding
X-Content-Type-Options: nosniff
x-coursera-appname: front-page
X-Coursera-Render-Mode: html
X-Coursera-Render-Version: v2
X-Coursera-Request-Id: R4jsftSpEeyMGwqzvWmmQQ
X-Coursera-Trace-Id-Hex: 8ba04d93a22bce17
x-envoy-upstream-service-time: 124
X-Frame-Options: SAMEORIGIN
x-powered-by: Express
X-XSS-Protection: 1; mode=block
X-Cache: Miss from cloudfront
Via: 1.1 da79f1e019da644d2a3fd9e73f79a700.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: EWR53-C2
X-Amz-Cf-Id: a1DP0RqpxWtTWLwfflG636DfUhDtlMdljPcKOIQZcUhIUBGmfzGmog==
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Cache-Control: private, no-cache, no-store, must-revalidate, max-age=0
Content-Encoding: gzip
Date: Sun, 15 May 2022 23:46:45 GMT
etag: W/"cdc5a-VoRflHFNCenDiVtOjc52jdqhxp0"
Server: envoy
Set-Cookie: CSRF3-Token=1653522405.kkGXrukpwbx2woOa; Max-Age=864000; Expires=Wed, 25 May 2022 23:46:45 GMT; Path=/; Domain=.coursera.org
Set-Cookie: __204u=6357210781-1652658405636; Max-Age=31536000; Expires=Mon, 15 May 2023 23:46:45 GMT; Path=/; Domain=.coursera.org
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Vary: Accept-Encoding
X-Content-Type-Options: nosniff
x-coursera-appname: front-page
X-Coursera-Render-Mode: html
X-Coursera-Render-Version: v2
X-Coursera-Request-Id: R4jsftSpEeyMGwqzvWmmQQ
X-Coursera-Trace-Id-Hex: 8ba04d93a22bce17
x-envoy-upstream-service-time: 124
X-Frame-Options: SAMEORIGIN
x-powered-by: Express
X-XSS-Protection: 1; mode=block
X-Cache: Miss from cloudfront
Via: 1.1 da79f1e019da644d2a3fd9e73f79a700.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: EWR53-C2
X-Amz-Cf-Id: a1DP0RqpxWtTWLwfflG636DfUhDtlMdljPcKOIQZcUhIUBGmfzGmog==
DNS レコード分析
ドメイン ネーム システム (DNS) は、簡単に記憶できるドメイン名を、世界中のコンピュータ サービスやデバイスの位置を特定するために必要な数値 IP アドレスに変換します。 coursera.org の DNS レコードは合計 37 件あります。
| ホスト | Type | IP/ターゲット | TTL | 追加情報 |
|---|---|---|---|---|
| coursera.org | A | 60 | ||
| coursera.org | A | 60 | ||
| coursera.org | A | 60 | ||
| coursera.org | A | 60 | ||
| coursera.org | NS | 78150 | ||
| coursera.org | NS | 78150 | ||
| coursera.org | NS | 78150 | ||
| coursera.org | NS | 78150 | ||
| coursera.org | SOA | 900 | expire: 1209600 serial: 1 | |
| coursera.org | MX | 300 | pri: 10 | |
| coursera.org | MX | 300 | pri: 20 | |
| coursera.org | MX | 300 | pri: 20 | |
| coursera.org | MX | 300 | pri: 30 | |
| coursera.org | MX | 300 | pri: 30 | |
| coursera.org | MX | 300 | pri: 30 | |
| coursera.org | MX | 300 | pri: 30 | |
| coursera.org | TXT | 376174617-10056694 | 60 | |
| coursera.org | TXT | MS=ms91657421 | 60 | |
| coursera.org | TXT | apple-domain-verification=8gxy28dzSlSOYkUI | 60 | |
| coursera.org | TXT | atlassian-domain-verification=OwoxnU5JeeEeNB3PXqTmPOsZNFUYTd05tar4PX8ZNNjps+mMWto+OyyA/50W5+B1 | 60 | |
| coursera.org | TXT | atlassian-domain-verification=pwnyCbGEmC6E08lYJGO/SYkQvbjFS+OXy03eVMG75U52Edj0vbZGBjdaorxh+PUE | 60 | |
| coursera.org | TXT | cisco-ci-domain-verification=5b418d2526e560d4ec96988886c86e7930c6936b68215183295356a4e4bf36d7 | 60 | |
| coursera.org | TXT | docusign=05d7ee1b-a029-4b94-912a-25bb3c4a2bed | 60 | |
| coursera.org | TXT | facebook-domain-verification=46dep9ql4m6it0wahwkhiou7xit57h | 60 | |
| coursera.org | TXT | google-site-verification=61uiBFuqY-MYJHWt_8qbU00Rsn7Nq_njU5eMUG0NlrY | 60 | |
| coursera.org | TXT | google-site-verification=874wxzrE4FAJO81XTCXyH6WYnWZAMdlbMRXI3lfI0bw | 60 | |
| coursera.org | TXT | google-site-verification=H2oN7Mv4QCzOClwXz1j30f-4544byEDxyEk0o3eluE0 | 60 | |
| coursera.org | TXT | google-site-verification=PDgfi1HUgagq2NZOh86B3PpGnjDyNXdUr9iyWzDjONM | 60 | |
| coursera.org | TXT | google-site-verification=UGpuPtZLCcMKFmgAeN4q6EbvxJn56A8Jz0sgW3yVKmA | 60 | |
| coursera.org | TXT | google-site-verification=fFsckLsIOub_171zkeWLBQ72SvjwGSPsz209wwTtmX4 | 60 | |
| coursera.org | TXT | google-site-verification=l-IugqqOHDGlHpUHfv3e6z8J1koLgfGSem04lqBA_B8 | 60 | |
| coursera.org | TXT | google-site-verification=tbpsWy5oBEvo-Kod36Lqsb3qRK0h_divcCGAeUdVZlk | 60 | |
| coursera.org | TXT | spf2.0/pra include:amazonses.com include:sendgrid.net include:_spf.google.com include:spf.mtasv.net -all | 60 | |
| coursera.org | TXT | stripe-verification=95449f6ae01b02ef7f65b59ee2f3ed14bac52c49aaa1519e57b864b70baede3a | 60 | |
| coursera.org | TXT | v=spf1 include:sendgrid.net ip4:24.6.102.21 ip4:54.83.204.127 ip4:50.16.53.44 include:_spf.google.com include:amazonses.com include:spf.mtasv.net include:_spf.salesforce.com include:spf.mandrillapp.com -all | 60 | |
| coursera.org | TXT | yandex-verification: 7472d03e746e191a | 60 | |
| coursera.org | TXT | zoom-domain-verification=6fb6c268-238e-477b-ba40-2f0164695cd7 | 60 |