Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 162.254.150.250 |
| Server Software | Apache/2.4.52 (Ubuntu) |
| Compression | gzip |
|
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 162.254.150.250
Server Software Apache/2.4.52 (Ubuntu)
Compression gzip
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).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://pjrc.com:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.pjrc.com/ | 200 | HTTP/1.1 200 OK |
#1 URL https://pjrc.com:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.pjrc.com/
HTTP Status Code 200
Status HTTP/1.1 200 OK
Performance
| DNS Lookup | 251.8 ms |
| TCP Connect | 360.9 ms |
| TLS Handshake | 114.5 ms |
| Time To First Byte (TTFB) | 586.1 ms |
| Content Download | 0.2 ms |
| Total Response Time | 586.3 ms |
DNS Lookup 251.8 ms
TCP Connect 360.9 ms
TLS Handshake 114.5 ms
Time To First Byte (TTFB) 586.1 ms
Content Download 0.2 ms
Total Response Time 586.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=15552000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=15552000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | PJRC: Electronic Projects |
Title PJRC: Electronic Projects
Detected Technologies
| Technology | WordPress Google Analytics Apache PHP |
Technology WordPress Google Analytics Apache PHP
HTTP Headers
| Date
| Tue, 28 Jul 2026 17:34:50 GMT |
| Server
| Apache/2.4.52 (Ubuntu) |
| Strict-Transport-Security
| max-age=15552000 |
| Cache-Control
| max-age=90 |
| Last-Modified
| Mon, 27 Jul 2026 15:50:16 GMT |
| ETag
| "4d89-65799adbbb20e-gzip" |
| Accept-Ranges
| bytes |
| Expires
| Tue, 28 Jul 2026 17:36:20 GMT |
| Vary
| Accept-Encoding |
| Content-Encoding
| gzip |
| Content-Length
| 5942 |
| Content-Type
| text/html |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
Date Tue, 28 Jul 2026 17:34:50 GMT
Server Apache/2.4.52 (Ubuntu)
Strict-Transport-Security max-age=15552000
Cache-Control max-age=90
Last-Modified Mon, 27 Jul 2026 15:50:16 GMT
ETag "4d89-65799adbbb20e-gzip"
Accept-Ranges bytes
Expires Tue, 28 Jul 2026 17:36:20 GMT
Vary Accept-Encoding
Content-Encoding gzip
Content-Length 5942
Content-Type text/html
