ted.com
TED: Ideas change everything
Last scanned Jul 29, 2026, 11:00 AM · 19 views
Overall score
Great
Summary
TED Talks are influential videos from expert speakers on education, business, science, tech and creativity, with subtitles in 100+ languages. This website uses Next.js behind Fastly CDN. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
TED Talks are influential videos from expert speakers on education, business, science, tech and creativity, with subtitles in 100+ languages. Ideas free to stream and download.
Top issues to fix
8 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.
1 cookie 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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
259 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+4 overall since Jul 15, 2026
- Overall
- 83
- SEO
- 65
- Security
- 90
- Performance
- 90
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
TED Talks are influential videos from expert speakers on education, business, science, tech and creativity, with subtitles in 100+ languages. Ideas free to stream and download.
Meta tags
- Title
- TED: Ideas change everything
- Description
- TED Talks are influential videos from expert speakers on education, business, science, tech and creativity, with subtitles in 100+ languages. Ideas free to stream and download.
- Canonical
- https://www.ted.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no, initial-scale=1.0, viewport-fit=cover
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Fastly
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Sectigo Limited
- Subject
- *.ted.com
- Valid from
- Sep 23, 2025
- Valid to
- Sep 29, 2026
- Days until expiry
- 62
- SAN domains
- *.ted.com, ted.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 2
Links
100 internal · 19 external · 20 broken
Images
17 total · 0 missing alt
Scripts / Styles
69 scripts · 6 stylesheets
JS / CSS size
292 KB · 182 B
Page size
572 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
- 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://ted.com
- Final URL
- https://www.ted.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 248 ms
- HTML size
- 572 KB
- Redirect chain
- https://ted.com → https://www.ted.com/
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Frequently asked questions
- What technology does ted.com use?
- ted.com is built with Next.js, Google Analytics, Nginx.
- Is ted.com secure (HTTPS)?
- Yes. ted.com uses TLS 1.2 with a certificate issued by Sectigo Limited, valid until Sep 29, 2026.
- Who hosts ted.com?
- Hosting provider information for ted.com is not available yet.
- What is ted.com's SEO score?
- ted.com scored 65/100 for SEO in the latest analysis (fair).
- What is ted.com's overall website score?
- ted.com has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
- Has ted.com's score changed over time?
- ted.com's overall score has improved by 4 points (from 79 to 83) since Jul 15, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card