Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 13.227.231.27 |
| Server Software | AmazonS3 |
| CDN | CDN (Miss from cloudfront) |
| Compression | gzip |
|
🕐 🟡 Slow Response (1280 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). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 13.227.231.27
Server Software AmazonS3
CDN CDN (Miss from cloudfront)
Compression gzip
🕐 🟡 Slow Response (1280 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).
Performance
| DNS Lookup | 159.8 ms |
| TCP Connect | 160.9 ms |
| TLS Handshake | 330 ms |
| Time To First Byte (TTFB) | 1279.6 ms |
| Content Download | 0.1 ms |
| Total Response Time | 1279.8 ms |
DNS Lookup 159.8 ms
TCP Connect 160.9 ms
TLS Handshake 330 ms
Time To First Byte (TTFB) 1279.6 ms
Content Download 0.1 ms
Total Response Time 1279.8 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 | このサイトおよび運営会社について | 4コマ漫画が無料で読み放題 | 4コマgram |
| Meta Description | 4コマgramは、4コマ漫画を誰でも気軽に無料で楽しむことができるサービスです。日本中の面白い4コマ漫画作品が集まっています。 |
Title このサイトおよび運営会社について | 4コマ漫画が無料で読み放題 | 4コマgram
Meta Description 4コマgramは、4コマ漫画を誰でも気軽に無料で楽しむことができるサービスです。日本中の面白い4コマ漫画作品が集まっています。
HTTP Headers
| Content-type
| text/html |
| Date
| Fri, 21 Aug 2026 09:43:18 GMT |
| Last-modified
| Thu, 02 Oct 2025 05:42:23 GMT |
| Server
| AmazonS3 |
| X-amz-server-side-encryption
| AES256 |
| Content-encoding
| gzip |
| Etag
| W/"f65ce1e824de1ffb9a9afc62930a6294" |
| Vary
| Accept-Encoding |
| X-cache
| Miss from cloudfront |
| Via
| 1.1 e7c911956bf8edd1f713abd1fc4c0516.cloudfront.net (CloudFront) |
| X-amz-cf-pop
| CDG50-P5 |
| X-amz-cf-id
| y9lmO2mmb3324NtxWuTKSywsvFxSM_s4PaA8Ip2P_BMknIXcDZKYgQ== |
Meta Tags
| X-UA-Compatible | IE=edge, chrome=1 |
| Viewport | width=device-width,initial-scale=1 |
| Description | 4コマgramは、4コマ漫画を誰でも気軽に無料で楽しむことができるサービスです。日本中の面白い4コマ漫画作品が集まっています。 |
| Apple-mobile-web-app-capable | no |
| Format-detection | telephone=no |
| Msapplication-TileColor | #ffffff |
| Msapplication-TileImage |  |
| Theme-color | #ffffff |
Content-type text/html
Date Fri, 21 Aug 2026 09:43:18 GMT
Last-modified Thu, 02 Oct 2025 05:42:23 GMT
Server AmazonS3
X-amz-server-side-encryption AES256
Content-encoding gzip
Etag W/"f65ce1e824de1ffb9a9afc62930a6294"
Vary Accept-Encoding
X-cache Miss from cloudfront
Via 1.1 e7c911956bf8edd1f713abd1fc4c0516.cloudfront.net (CloudFront)
X-amz-cf-pop CDG50-P5
X-amz-cf-id y9lmO2mmb3324NtxWuTKSywsvFxSM_s4PaA8Ip2P_BMknIXcDZKYgQ==
