sfopera.com
San Francisco Opera | SF Opera
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Great
Summary
San Francisco Opera performance and the War Memorial Opera House and is known for commissioning world premieres, training opera's greatest young artists, and being one of the world’s leading opera companies. This website uses Google Analytics behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
San Francisco Opera performance and the War Memorial Opera House and is known for commissioning world premieres, training opera's greatest young artists, and being one of the world’s leading opera companies.
Top issues to fix
10 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
3 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+4 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
1.27 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- San Francisco Opera | SF Opera
- Description
- San Francisco Opera performance and the War Memorial Opera House and is known for commissioning world premieres, training opera's greatest young artists, and being one of the world’s leading opera companies.
- Canonical
- Language
- en
- Charset
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.sfopera.com
- Valid from
- Jul 8, 2026
- Valid to
- Oct 6, 2026
- Days until expiry
- 42
- SAN domains
- www.sfopera.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 7 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 15
Links
73 internal · 7 external · 6 broken
Images
17 total · 0 missing alt
Scripts / Styles
66 scripts · 1 stylesheets
JS / CSS size
20.4 KB · 71.0 KB
Page size
62.8 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://sfopera.com
- Final URL
- https://www.sfopera.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.27 s
- HTML size
- 62.8 KB
- Redirect chain
- https://sfopera.com → https://www.sfopera.com/
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Frequently asked questions
- What technology does sfopera.com use?
- sfopera.com is built with React, Google Analytics, Google Ads, Meta Pixel, TikTok Pixel.
- Is sfopera.com secure (HTTPS)?
- Yes. sfopera.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 6, 2026.
- Who hosts sfopera.com?
- Hosting provider information for sfopera.com is not available yet.
- What is sfopera.com's SEO score?
- sfopera.com scored 70/100 for SEO in the latest analysis (fair).
- What is sfopera.com's overall website score?
- sfopera.com has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card