Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 52.222.201.116 |
| Server Software | nginx |
| CDN | CDN (Miss from cloudfront) |
|
🔒 🟡 Mixed Content (9 HTTP resources) | The page is served over HTTPS but loads 9 resource(s) over HTTP. This may be blocked in modern browsers. |
|
🕐 🟡 Slow Response (1740 ms) | Response time exceeds 1 second. Consider optimizing the server or using caching. |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
|
ℹ 🔵 No Compression | The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 52.222.201.116
Server Software nginx
CDN CDN (Miss from cloudfront)
🔒 🟡 Mixed Content (9 HTTP resources) The page is served over HTTPS but loads 9 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡 Slow Response (1740 ms) Response time exceeds 1 second. Consider optimizing the server or using caching.
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
ℹ 🔵 No Compression The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
Performance
| DNS Lookup | 8.3 ms |
| TCP Connect | 9.5 ms |
| TLS Handshake | 6.4 ms |
| Time To First Byte (TTFB) | 1306.8 ms |
| Content Download | 432.7 ms |
| Total Response Time | 1739.5 ms |
DNS Lookup 8.3 ms
TCP Connect 9.5 ms
TLS Handshake 6.4 ms
Time To First Byte (TTFB) 1306.8 ms
Content Download 432.7 ms
Total Response Time 1739.5 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Schoo(スクー) - 社会人向けオンライン学習サービス |
| Meta Description | 【個人のスキルアップから企業研修まで】日本最大級のコンテンツ数で、生成AI活用やビジネススキルなどあらゆる学びのニーズに対応。動画だけでなく、AI文字起こし・参加型ライブ授業・スライドなど、あなたに合った方法で学びが定着。学びやすさにこだわった講座で、学びを毎日の習慣に。 |
| Canonical | https://schoo.jp |
| Open Graph Title | Schoo(スクー) - 社会人向けオンライン学習サービス |
| Open Graph Description | 【個人のスキルアップから企業研修まで】日本最大級のコンテンツ数で、生成AI活用やビジネススキルなどあらゆる学びのニーズに対応。動画だけでなく、AI文字起こし・参加型ライブ授業・スライドなど、あなたに合った方法で学びが定着。学びやすさにこだわった講座で、学びを毎日の習慣に。 |
| Open Graph Image | https://s3-ap-northeast-1.amazonaws.com/i.schoo/images/co... |
| Twitter Card | summary |
| Twitter Title | Schoo(スクー) - 社会人向けオンライン学習サービス |
| Twitter Description | 【個人のスキルアップから企業研修まで】日本最大級のコンテンツ数で、生成AI活用やビジネススキルなどあらゆる学びのニーズに対応。動画だけでなく、AI文字起こし・参加型ライブ授業・スライドなど、あなたに合った方法で学びが定着。学びやすさにこだわった講座で、学びを毎日の習慣に。 |
Title Schoo(スクー) - 社会人向けオンライン学習サービス Meta Description 【個人のスキルアップから企業研修まで】日本最大級のコンテンツ数で、生成AI活用やビジネススキルなどあらゆる学びのニーズに対応。動画だけでなく、AI文字起こし・参加型ライブ授業・スライドなど、あなたに合った方法で学びが定着。学びやすさにこだわった講座で、学びを毎日の習慣に。 Canonical https://schoo.jp Open Graph Title Schoo(スクー) - 社会人向けオンライン学習サービス Open Graph Description 【個人のスキルアップから企業研修まで】日本最大級のコンテンツ数で、生成AI活用やビジネススキルなどあらゆる学びのニーズに対応。動画だけでなく、AI文字起こし・参加型ライブ授業・スライドなど、あなたに合った方法で学びが定着。学びやすさにこだわった講座で、学びを毎日の習慣に。 Open Graph Image https://s3-ap-northeast-1.amazonaws.com/i.schoo/images/co... Twitter Card summary Twitter Title Schoo(スクー) - 社会人向けオンライン学習サービス Twitter Description 【個人のスキルアップから企業研修まで】日本最大級のコンテンツ数で、生成AI活用やビジネススキルなどあらゆる学びのニーズに対応。動画だけでなく、AI文字起こし・参加型ライブ授業・スライドなど、あなたに合った方法で学びが定着。学びやすさにこだわった講座で、学びを毎日の習慣に。 Detected Technologies
| Technology | jQuery Google Analytics Google Tag Manager Cloudflare Nginx |
Technology jQuery Google Analytics Google Tag Manager Cloudflare Nginx
HTTP Headers
| Content-type
| text/html; charset=UTF-8 |
| Date
| Thu, 20 Aug 2026 06:41:05 GMT |
| Access-control-allow-headers
| Content-Type |
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| GET, POST, PUT, DELETE, OPTIONS |
| Server
| nginx |
| Expires
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| Cache-control
| no-store, no-cache, must-revalidate, post-check=0, pre-check=0 |
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| X-cache
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Meta Tags
| Content-type | text/html; charset=utf-8 |
| Content-style-type | text/css |
| Content-script-type | text/javascript |
| Keywords | オンライン動画学習, 動画学習, MOOCs, SCHOO, スクー |
| Description | 【個人のスキルアップから企業研修まで】日本最大級のコンテンツ数で、生成AI活用やビジネススキルなどあらゆる学びのニーズに対応。動画だけでなく、AI文字起こし・参加型ライブ授業・スライドなど、あなたに合った方法で学びが定着。学びやすさにこだわった講座で、学びを毎日の習慣に。 |
| Google-site-verification | gowet9wP-Hg-OcyCdlkSFjZ-oPt02BPekY2mkXvYVu0 |
| Fb:app_id | 155430651192949 |
| Apple-itunes-app | app-id=903311774 |
| Google-play-app | app-id=jp.schoo.android.app |
| P:domain_verify | 62114d9597764dbb9b50f631235a67e3 |
| Viewport | width=1024, maximum-scale=1, user-scalable=yes |
| X-dns-prefetch-control | on |
Content-type text/html; charset=UTF-8
Date Thu, 20 Aug 2026 06:41:05 GMT
Access-control-allow-headers Content-Type
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Server nginx
Expires Thu, 19 Nov 1981 08:52:00 GMT
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