sfsymphony.org
San Francisco Symphony - Home
Last scanned Aug 24, 2026, 1:22 PM · 1 view
Overall score
Fair
Summary
The San Francisco Symphony is among the most adventurous and innovative arts institutions in the United States. This website uses jQuery behind Cloudflare CDN. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Missing canonical link.
The San Francisco Symphony is among the most adventurous and innovative arts institutions in the United States.
Top issues to fix
9 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
2.00 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- San Francisco Symphony - Home
- Description
- The San Francisco Symphony is among the most adventurous and innovative arts institutions in the United States.
- Canonical
- Language
- en-us
- Charset
- utf-8
- 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
- sfsymphony.org
- Valid from
- Jul 7, 2026
- Valid to
- Oct 5, 2026
- Days until expiry
- 41
- SAN domains
- sfsymphony.org, *.sfsymphony.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 6 · H3 0
Links
69 internal · 7 external · 20 broken
Images
35 total · 0 missing alt
Scripts / Styles
26 scripts · 3 stylesheets
JS / CSS size
1.4 KB · 4.9 KB
Page size
66.8 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://sfsymphony.org
- Final URL
- https://www.sfsymphony.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 2.00 s
- HTML size
- 66.8 KB
- Redirect chain
- https://sfsymphony.org → https://www.sfsymphony.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does sfsymphony.org use?
- sfsymphony.org is built with jQuery.
- Is sfsymphony.org secure (HTTPS)?
- Yes. sfsymphony.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 5, 2026.
- Who hosts sfsymphony.org?
- Hosting provider information for sfsymphony.org is not available yet.
- What is sfsymphony.org's SEO score?
- sfsymphony.org scored 65/100 for SEO in the latest analysis (fair).
- What is sfsymphony.org's overall website score?
- sfsymphony.org has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card