Website readiness profile · Snapshot 23 October 2026
pbs.org
pbs.org's public homepage, certificate and DNS checked against 31 practices and compared with 536 Entertainment & Video Streaming sites.
- Readiness index
- 77/100
- Ahead of
- 91%
- Practices observed
- 22/31
- Popularity band
- Top 10K
Entertainment & Video Streaming median 62
of measured Entertainment & Video Streaming sites
0 of 31 could not be measured
Chrome UX Report top-sites list
Readiness by lane
Green: pbs.org. Thin bar: Entertainment & Video Streaming peer median.
Enable
100/100
Peers 80
Harden
66/100
Peers 52
Accelerate
78/100
Peers 60
Recover
0/100
Peers 12
Priority fixes for pbs.org
Ordered by impact and by how common each practice is among peers.
Priority 1 · Harden
HSTS kept for at least a year
Observed: The homepage response did not include a Strict-Transport-Security header.
Why it matters: HSTS tells browsers to use HTTPS for your host on every later visit, which removes the window where a first HTTP request can be intercepted.
What to do: Send Strict-Transport-Security on HTTPS responses. Start with a short max-age (for example 300 seconds), confirm every subdomain works over HTTPS, then raise it in steps to 31536000. Add includeSubDomains only when all subdomains are HTTPS. HSTS preload is optional and hard to undo; hstspreload.org itself does not recommend it by default.
On Amazon CloudFront: Attach a response headers policy with Strict-Transport-Security to each distribution.
31% of Entertainment & Video Streaming peers do this. Limit: Read from the homepage response only; other pages or regions may send different headers.
Priority 2 · Accelerate
No render-blocking scripts in <head>
Observed: The homepage <head> loaded 1 external script without async or defer.
What to do: Add defer to scripts that need the DOM, async to independent ones such as analytics, or move them to the end of the body.
On Next.js: Use the next/script component with an appropriate loading strategy.
42% of Entertainment & Video Streaming peers do this.
Guide: Control Third-Party Scripts Before They Control Your Page
Priority 3 · Harden
Framing restricted
Observed: The homepage did not send frame-ancestors or X-Frame-Options, so other sites may frame it.
What to do: Send Content-Security-Policy: frame-ancestors 'self' (or a list of trusted origins). X-Frame-Options: SAMEORIGIN covers older browsers.
On Amazon CloudFront: Set frame options in a response headers policy.
43% of Entertainment & Video Streaming peers do this.
Priority 4 · Accelerate
HTTP/3 advertised
Observed: The homepage did not advertise HTTP/3 through an Alt-Svc header.
What to do: Turn on HTTP/3 at your CDN. Browsers fall back to HTTP/2 automatically, so the risk is low.
On Amazon CloudFront: Select HTTP/3 in the distribution's supported HTTP versions.
34% of Entertainment & Video Streaming peers do this.
What pbs.org already does well
Practices fewer than half of Entertainment & Video Streaming peers use.
- security.txt publishedsecurity.txt with a contact found.5.6% of peers
- CAA records limit who can issue certificatesCAA limits issuance to amazon.com, digicert.com, letsencrypt.org and others.9.5% of peers
- Content Security Policy presentContent-Security-Policy present.18% of peers
What we saw
- Homepage checked
- https://www.pbs.org/
- Homepage response
- HTTP 200
- TLS
- TLSv1.3, HTTP/2
- Certificate
- Amazon, 393-day validity, expiring 2027-02-08
- CDN or edge
- Amazon CloudFront
- Platform or framework
- Next.js
- DNS operators
- Amazon Route 53
- DMARC policy
- p=reject
- Homepage HTML
- 234 KB, gzip
- Images on homepage
- 44 (jpg 182, png 40, svg 8, webp 5)
Limits: homepage only, one location, one moment. Header checks reflect the homepage response; other pages may differ.
Stack and providers
Seen in the homepage response, certificate and DNS. Provider pages compare how their customers configure the same checks.
All 31 checks
Select a gap for the method and fix. How each check works
Not observed 9
Observed 22
- HTTP requests move to HTTPS
- TLS 1.3 negotiated
- Certificate has more than 14 days left
- CAA records limit who can issue certificates
- security.txt published
- DMARC policy enforces quarantine or reject
- Content Security Policy present
- HTTP/2 negotiated
- HTML compressed
- Static files cached for 30 days or more
- Modern image formats in use
- Offscreen images lazy-loaded
- robots.txt published
- XML sitemap discoverable
- Reachable over IPv6
- Canonical URL declared
- Meta description written
- Mobile viewport configured
- Structured data present
- Social preview image set
- Page language declared
- At most one redirect to the homepage
Own pbs.org?
Re-run the checks after a change, keep a private action plan in a free workspace, or report a mistake.
Live status for this site: Status Is Down: pbs.org. This profile covers configuration only.