Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.21.25.112 |
| Server Software | cloudflare |
| CDN | Cloudflare |
| Compression | gzip |
|
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 104.21.25.112
Server Software cloudflare
CDN Cloudflare
Compression gzip
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 | 22.6 ms |
| TCP Connect | 24.3 ms |
| TLS Handshake | 8.4 ms |
| Time To First Byte (TTFB) | 235.1 ms |
| Content Download | 2.5 ms |
| Total Response Time | 237.6 ms |
DNS Lookup 22.6 ms
TCP Connect 24.3 ms
TLS Handshake 8.4 ms
Time To First Byte (TTFB) 235.1 ms
Content Download 2.5 ms
Total Response Time 237.6 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 | Underscore.js |
| Canonical | https://underscorejs.org/ |
Title Underscore.js
Canonical https://underscorejs.org/
Detected Technologies
| Technology | jQuery Google Analytics Cloudflare PHP Node.js |
Technology jQuery Google Analytics Cloudflare PHP Node.js
HTTP Headers
| Date
| Thu, 20 Aug 2026 14:52:56 GMT |
| Content-type
| text/html; charset=utf-8 |
| Server
| cloudflare |
| Last-modified
| Tue, 14 Apr 2026 20:39:00 GMT |
| Access-control-allow-origin
| * |
| Expires
| Thu, 20 Aug 2026 00:36:10 GMT |
| Cache-control
| max-age=600 |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=tIPhrbc1aBKb%2FeXu8Gr7VvkipXGC7Rg3sEZJEbmCtmrptwGSz8Xlu2KbA7hnpWjMx324BwXQY%2BAqhdz77CdQSMpzOpYV3QuIlO6E3N%2BzRPUOBG0kFVSoPk2kvzkoiQw5GAfRFixsaJmlzHNxQH9w"}]} |
| X-proxy-cache
| MISS |
| X-github-request-id
| 5386:34D365:1543EA5:15632E9:6A86499F |
| X-github-edge-region
| fra |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Age
| 0 |
| Via
| 1.1 varnish |
| X-served-by
| cache-mrs10552-MRS |
| X-cache
| HIT |
| X-cache-hits
| 0 |
| X-timer
| S1787237576.887125,VS0,VE115 |
| Vary
| Accept-Encoding |
| X-fastly-request-id
| bfc4c9c11ce2c847778128c8a1bbc8f8c45ad649 |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a2e239810a426fd6-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Content-type | text/html;charset=UTF-8 |
| X-UA-Compatible | chrome=1 |
| Viewport | width=device-width, initial-scale=1.0 |
Date Thu, 20 Aug 2026 14:52:56 GMT
Content-type text/html; charset=utf-8
Server cloudflare
Last-modified Tue, 14 Apr 2026 20:39:00 GMT
Access-control-allow-origin *
Expires Thu, 20 Aug 2026 00:36:10 GMT
Cache-control max-age=600
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=tIPhrbc1aBKb%2FeXu8Gr7VvkipXGC7Rg3sEZJEbmCtmrptwGSz8Xlu2KbA7hnpWjMx324BwXQY%2BAqhdz77CdQSMpzOpYV3QuIlO6E3N%2BzRPUOBG0kFVSoPk2kvzkoiQw5GAfRFixsaJmlzHNxQH9w"}]}
X-proxy-cache MISS
X-github-request-id 5386:34D365:1543EA5:15632E9:6A86499F
X-github-edge-region fra
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Age 0
Via 1.1 varnish
X-served-by cache-mrs10552-MRS
X-cache HIT
X-cache-hits 0
X-timer S1787237576.887125,VS0,VE115
Vary Accept-Encoding
X-fastly-request-id bfc4c9c11ce2c847778128c8a1bbc8f8c45ad649
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a2e239810a426fd6-CDG
Alt-svc h3=":443"; ma=86400
