Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 104.21.20.233 |
| 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 104.21.20.233
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 | 21.7 ms |
| TCP Connect | 23.6 ms |
| TLS Handshake | 12.2 ms |
| Time To First Byte (TTFB) | 92.8 ms |
| Content Download | 0.2 ms |
| Total Response Time | 93 ms |
DNS Lookup 21.7 ms
TCP Connect 23.6 ms
TLS Handshake 12.2 ms
Time To First Byte (TTFB) 92.8 ms
Content Download 0.2 ms
Total Response Time 93 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | strict-origin-when-cross-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
Referrer Policy strict-origin-when-cross-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Opera: Web Browser and Musical Theater |
| Meta Description | Explore information about the Opera web browser, including download options and features, or learn about the history and performance of classical opera. |
| Robots Meta | noindex, nofollow |
| Open Graph Title | Opera: Web Browser and Musical Theater |
| Open Graph Description | Explore information about the Opera web browser, including download options and features, or learn about the history and performance of classical opera. |
Title Opera: Web Browser and Musical Theater
Meta Description Explore information about the Opera web browser, including download options and features, or learn about the history and performance of classical opera.
Robots Meta noindex, nofollow
Open Graph Title Opera: Web Browser and Musical Theater
Open Graph Description Explore information about the Opera web browser, including download options and features, or learn about the history and performance of classical opera.
Detected Technologies
| Technology | Google Analytics Google Tag Manager Cloudflare |
Technology Google Analytics Google Tag Manager Cloudflare
HTTP Headers
| Date
| Thu, 23 Jul 2026 14:33:33 GMT |
| Content-type
| text/html; charset=utf-8 |
| X-content-type-options
| nosniff |
| Report-to
| {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=JDgzvJKKiqzBckm4SGIAy4BFqKnYhdznF1Kz7xkFL5IGFZszT73Af%2Fto5UKZuwvbaSk5bfsKsLrSTLhPEu%2BotYceP22hrMXQYoLHwRdlczuSpeqbEjT9wurIO4Jt18TjlH9zpFfrDjA%3D"}]} |
| Nel
| {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} |
| Access-control-allow-origin
| * |
| Cache-control
| public, max-age=0, must-revalidate |
| Referrer-policy
| strict-origin-when-cross-origin |
| Vary
| accept-encoding |
| Server
| cloudflare |
| Cf-cache-status
| DYNAMIC |
| Content-encoding
| gzip |
| Cf-ray
| a1fb66a30ab37ad7-CDG |
| Alt-svc
| h3=":443"; ma=86400 |
Meta Tags
| Viewport | width=device-width, initial-scale=1 |
| Robots | noindex, nofollow |
| Description | Explore information about the Opera web browser, including download options and features, or learn about the history and performance of classical opera. |
Date Thu, 23 Jul 2026 14:33:33 GMT
Content-type text/html; charset=utf-8
X-content-type-options nosniff
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=JDgzvJKKiqzBckm4SGIAy4BFqKnYhdznF1Kz7xkFL5IGFZszT73Af%2Fto5UKZuwvbaSk5bfsKsLrSTLhPEu%2BotYceP22hrMXQYoLHwRdlczuSpeqbEjT9wurIO4Jt18TjlH9zpFfrDjA%3D"}]}
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Access-control-allow-origin *
Cache-control public, max-age=0, must-revalidate
Referrer-policy strict-origin-when-cross-origin
Vary accept-encoding
Server cloudflare
Cf-cache-status DYNAMIC
Content-encoding gzip
Cf-ray a1fb66a30ab37ad7-CDG
Alt-svc h3=":443"; ma=86400
