tdf.org
Home | TDF
Last scanned Jul 27, 2026, 3:43 PM
Overall score
Great
Summary
As a not-for-profit organization, TDF relies on your generosity to make the performing arts affordable and accessible for all. This website uses WordPress hosted on COGENT-174 - Cogent Communications, LLC, US. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (80/100). Top issue: sitemap.xml not found.
As a not-for-profit organization, TDF relies on your generosity to make the performing arts affordable and accessible for all.
- United States
- Hosted on COGENT-174 - Cogent Communications, LLC, US
Top issues to fix
3 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
1 issue(s) found
Performance
2.87 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.
Source: https://www.tdf.org/support-tdf/
Meta tags
- Title
- Home | TDF
- Description
- As a not-for-profit organization, TDF relies on your generosity to make the performing arts affordable and accessible for all.
- Canonical
- https://www.tdf.org/
- Language
- en-US
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- COGENT-174 - Cogent Communications, LLC, US
- CDN provider
- —
- IP address
- 38.105.233.123
- ASN
- AS174 (COGENT-174 - Cogent Communications, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Network Solutions L.L.C.
- Subject
- *.tdf.org
- Valid from
- Nov 20, 2025
- Valid to
- Dec 21, 2026
- Days until expiry
- 147
- SAN domains
- *.tdf.org, tdf.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 23 · H3 13
Links
45 internal · 51 external · 0 broken
Images
59 total · 9 missing alt
Scripts / Styles
20 scripts · 4 stylesheets
JS / CSS size
592 KB · 411 KB
Page size
249 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 11
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://tdf.org
- Final URL
- https://www.tdf.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 2.86 s
- HTML size
- 249 KB
- Redirect chain
- https://tdf.org → https://www.tdf.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does tdf.org use?
- tdf.org is built with PHP, WordPress.
- Is tdf.org secure (HTTPS)?
- Yes. tdf.org uses TLS 1.2 with a certificate issued by Network Solutions L.L.C., valid until Dec 21, 2026.
- Who hosts tdf.org?
- tdf.org is hosted on COGENT-174 - Cogent Communications, LLC, US.
- What is tdf.org's SEO score?
- tdf.org scored 95/100 for SEO in the latest analysis (excellent).
- What is tdf.org's overall website score?
- tdf.org has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card