WWW.KHANACADEMY.ORG ウェブサイトのレビュー
WWW.KHANACADEMY.ORG の SEO 統計が最後に更新されたのは 60 日前です。 この Web サイトのバックグラウンド分析タスクを開始しました。数分お待ちください。
基本情報
Server:
Unknown
IP:
ページ情報
Title:
Khan Academy | Free Online Courses, Lessons & Practice
Meta keywords:
khan academy, learn, videos, lectures, practice, exercises, skills
Meta description:
You can learn anything. Expert-created content and resources for every course and level. Always free.
H1 Tag:
For every student,every classroom.Real results.
Internal links:
27 (2 nofollow)
External links:
12 (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.khanacademy.org:
HTTP/1.1 200 OK
Connection: keep-alive
Content-Type: text/html; charset=utf-8
Cache-Control: no-cache
Set-Cookie: fkey=1.0_xfkzgtb6gHOYVA==_1591143445; Path=/; secure
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
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Set-Cookie: ka_session=L87hl2G-h5jWUVpI80vZ4REjfTv5lOkj4WBivNhR:1591143445:1591143445:1:; expires=Thu, 03 Jun 2021 00:17:25 GMT; Max-Age=31536000; Path=/
Content-Encoding: gzip
X-Cloud-Trace-Context: cf39131324a3ceab5db61a3c5ed23c9e
Server: Google Frontend
Expires: Wed, 03 Jun 2020 00:17:25 GMT
Accept-Ranges: bytes
Via: 1.1 varnish
Set-Cookie: KAVID=f7a4a4b9-aa90-4c67-a1f7-9ef0e78d5519; expires=Fri, 03 Jun 2022 00:17:25 GMT; path=/;
Accept-Ranges: bytes
Date: Wed, 03 Jun 2020 00:17:25 GMT
Via: 1.1 varnish
X-Served-By: cache-mdw17371-MDW, cache-lga21921-LGA
X-Cache: MISS, MISS
X-Cache-Hits: 0, 0
X-Timer: S1591143445.269402,VS0,VE109
Vary: X-KA-Use-Render-Gateway, Accept-Encoding
transfer-encoding: chunked
Connection: keep-alive
Content-Type: text/html; charset=utf-8
Cache-Control: no-cache
Set-Cookie: fkey=1.0_xfkzgtb6gHOYVA==_1591143445; Path=/; secure
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
Set-Cookie: gae_b_id=!$SflbiuqvkvO0NifUuunJJ27mVk3ZkopqmmVIcMd87oE.%qbbq51%1$a2FpZF81MjIzMDAyMTQ4ODE1OTMxMjM1NzczNjI; expires=Thu, 03 Jun 2021 00:17:25 GMT; httponly; Max-Age=31536000; Path=/; secure
Set-Cookie: ka_session=L87hl2G-h5jWUVpI80vZ4REjfTv5lOkj4WBivNhR:1591143445:1591143445:1:; expires=Thu, 03 Jun 2021 00:17:25 GMT; Max-Age=31536000; Path=/
Content-Encoding: gzip
X-Cloud-Trace-Context: cf39131324a3ceab5db61a3c5ed23c9e
Server: Google Frontend
Expires: Wed, 03 Jun 2020 00:17:25 GMT
Accept-Ranges: bytes
Via: 1.1 varnish
Set-Cookie: KAVID=f7a4a4b9-aa90-4c67-a1f7-9ef0e78d5519; expires=Fri, 03 Jun 2022 00:17:25 GMT; path=/;
Accept-Ranges: bytes
Date: Wed, 03 Jun 2020 00:17:25 GMT
Via: 1.1 varnish
X-Served-By: cache-mdw17371-MDW, cache-lga21921-LGA
X-Cache: MISS, MISS
X-Cache-Hits: 0, 0
X-Timer: S1591143445.269402,VS0,VE109
Vary: X-KA-Use-Render-Gateway, Accept-Encoding
transfer-encoding: chunked
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。 khanacademy.org の DNS レコードは合計 29 件あります。
| ホスト | Type | IP/ターゲット | TTL | 追加情報 |
|---|---|---|---|---|
| khanacademy.org | A | 60 | ||
| khanacademy.org | A | 60 | ||
| khanacademy.org | A | 60 | ||
| khanacademy.org | A | 60 | ||
| khanacademy.org | NS | 172800 | ||
| khanacademy.org | NS | 172800 | ||
| khanacademy.org | NS | 172800 | ||
| khanacademy.org | NS | 172800 | ||
| khanacademy.org | SOA | 300 | expire: 1209600 serial: 1 | |
| khanacademy.org | MX | 300 | pri: 1 | |
| khanacademy.org | MX | 300 | pri: 10 | |
| khanacademy.org | MX | 300 | pri: 10 | |
| khanacademy.org | MX | 300 | pri: 5 | |
| khanacademy.org | MX | 300 | pri: 5 | |
| khanacademy.org | TXT | MS=ms10049948 | 300 | |
| khanacademy.org | TXT | _globalsign-domain-verification=Ca9ol7KyPTrPtyGjL1BqGx_wv6SymozDmCXhHJveUr | 300 | |
| khanacademy.org | TXT | _globalsign-domain-verification=Prrz12gznJzJiHaajX3CnPfpqK6hhLae0miMSZ_BGa | 300 | |
| khanacademy.org | TXT | _globalsign-domain-verification=e70UZqvudGByIeilV8oO0gubBZi0P7QLakTxKub-zS | 300 | |
| khanacademy.org | TXT | apple-domain-verification=FBF7Yx9o3htFHZ7m | 300 | |
| khanacademy.org | TXT | botify-site-verification=sGRcFNKzIkHzx1jtsQ7YkiT8hgWB6RiU | 300 | |
| khanacademy.org | TXT | facebook-domain-verification=8kvuco8ljlv8t1aedswjypctrp1pk3 | 300 | |
| khanacademy.org | TXT | globalsign-domain-verification=qV_5Us2mt6FO1Ig5hnG4kYHESYAxuH5-qZ0cRXC-Ig | 300 | |
| khanacademy.org | TXT | google-site-verification=JML6gcy7DbE1dA3JB9W4O6EB9uQ8bpOlJTyniVCgd-o | 300 | |
| khanacademy.org | TXT | google-site-verification=Jiabx8hC-zV0E8-hAj40dHCY_oWNIvfqkNe7VFnGbCs | 300 | |
| khanacademy.org | TXT | google-site-verification=SprWzGYoIdXdFrUCSyBhXJtHzFjE8FAQNlTamgKenhU | 300 | |
| khanacademy.org | TXT | google-site-verification=sHrvDlgokhtbjBWsn8Dhu616EFRRv8GD0C1AU4_1gl4 | 300 | |
| khanacademy.org | TXT | google-site-verification=y1w1HGdtmQcg92Uy4JtubYkFtDDshCwmDXTFCgjpr-Y | 300 | |
| khanacademy.org | TXT | spf2.0/pra include:_spf.google.com include:sendgrid.net include:aspmx.sailthru.com -all | 300 | |
| khanacademy.org | TXT | v=spf1 include:_spf.google.com include:sendgrid.net include:aspmx.sailthru.com exists:%{i}._spf.mta.salesforce.com include:mail.zendesk.com include:mg-spf.greenhouse.io -all | 300 |