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 | 23.1 ms |
| TCP Connect | 24.8 ms |
| TLS Handshake | 7.3 ms |
| Time To First Byte (TTFB) | 101.9 ms |
| Content Download | 2 ms |
| Total Response Time | 104 ms |
DNS Lookup 23.1 ms
TCP Connect 24.8 ms
TLS Handshake 7.3 ms
Time To First Byte (TTFB) 101.9 ms
Content Download 2 ms
Total Response Time 104 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, 23 Jul 2026 01:34:40 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, 11 Jun 2026 17:09:39 GMT |
| Cache-control
| max-age=600 |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=imr69OI%2F19l%2Fi7cWnOYNrzSqgH4QpNSxv9Q09jtlyht%2BCEiSBW4vHw1PJzUHwGSh6D50Z1TEwy6FCs2NtnkWSMjB6DJyAPqkyReT8dc2EC3aYNimfVdt783y2Y7Xg2xHyuY%2FYbykz2Yxn6cD9KXy"}]} |
| X-proxy-cache
| MISS |
| X-github-request-id
| 19FA:242F40:AA23F:ABED8:6A2AE97A |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Age
| 455 |
| Via
| 1.1 varnish |
| X-served-by
| cache-fra-etou8220159-FRA |
| X-cache
| HIT |
| X-cache-hits
| 0 |
| X-timer
| S1784770481.533563,VS0,VE1 |
| Vary
| Accept-Encoding |
| X-fastly-request-id
| 36aed857d7ce54595648480da1fd5411267a5d77 |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a1f6f1af19626ef0-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, 23 Jul 2026 01:34:40 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, 11 Jun 2026 17:09:39 GMT
Cache-control max-age=600
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=imr69OI%2F19l%2Fi7cWnOYNrzSqgH4QpNSxv9Q09jtlyht%2BCEiSBW4vHw1PJzUHwGSh6D50Z1TEwy6FCs2NtnkWSMjB6DJyAPqkyReT8dc2EC3aYNimfVdt783y2Y7Xg2xHyuY%2FYbykz2Yxn6cD9KXy"}]}
X-proxy-cache MISS
X-github-request-id 19FA:242F40:AA23F:ABED8:6A2AE97A
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Age 455
Via 1.1 varnish
X-served-by cache-fra-etou8220159-FRA
X-cache HIT
X-cache-hits 0
X-timer S1784770481.533563,VS0,VE1
Vary Accept-Encoding
X-fastly-request-id 36aed857d7ce54595648480da1fd5411267a5d77
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a1f6f1af19626ef0-CDG
Alt-svc h3=":443"; ma=86400
