Website readiness profile · Snapshot 23 October 2026
yumpu.com
yumpu.com's public homepage, certificate and DNS checked against 31 practices and compared with 306 Online Publishing sites.
- Readiness index
- 73/100
- Ahead of
- 79%
- Practices observed
- 21/31
- Popularity band
- Top 50K
Online Publishing median 64
of measured Online Publishing sites
0 of 31 could not be measured
Chrome UX Report top-sites list
Readiness by lane
Green: yumpu.com. Thin bar: Online Publishing peer median.
Enable
100/100
Peers 84
Harden
75/100
Peers 51
Accelerate
48/100
Peers 65
Recover
0/100
Peers 5
Priority fixes for yumpu.com
Ordered by impact and by how common each practice is among peers.
Priority 1 · Accelerate
Static files cached for 30 days or more
Observed: A same-site stylesheet or script was cacheable for 1 days, short of the 30-day benchmark.
Why it matters: Returning visitors and later page views reuse cached files instead of downloading them again.
What to do: Give versioned (fingerprinted) CSS, JavaScript, fonts and images Cache-Control: public, max-age=31536000, immutable, and change the file name whenever the content changes.
57% of Online Publishing peers do this. Limit: Read from the homepage response only; other pages or regions may send different headers.
Priority 2 · Accelerate
Modern image formats in use
Observed: The homepage had 37 images and none used WebP or AVIF.
What to do: Serve WebP or AVIF with a JPEG or PNG fallback, either through an image CDN or by generating both formats at build time.
38% of Online Publishing peers do this.
Guide: AVIF, WebP, JPEG, and PNG: Choose the Right Image Format
Priority 3 · Accelerate
No render-blocking scripts in <head>
Observed: The homepage <head> loaded 8 external scripts 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.
45% of Online Publishing peers do this.
Guide: Control Third-Party Scripts Before They Control Your Page
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.
41% of Online Publishing peers do this.
What yumpu.com already does well
Practices fewer than half of Online Publishing peers use.
- Content Security Policy presentContent-Security-Policy present.18% of peers
- DMARC policy enforces quarantine or rejectDMARC policy p=quarantine.20% of peers
- HSTS kept for at least a yearHSTS with a 365-day max-age.27% of peers
What we saw
- Homepage checked
- https://www.yumpu.com/
- Homepage response
- HTTP 200, after 1 redirect
- TLS
- TLSv1.3, HTTP/2
- Certificate
- Amazon, 394-day validity, expiring 2026-12-02
- CDN or edge
- Amazon CloudFront
- DNS operators
- Amazon Route 53
- HSTS
- max-age 365 days
- DMARC policy
- p=quarantine
- Homepage HTML
- 420 KB, gzip
- Images on homepage
- 37 (svg 29, jpg 8, png 2)
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 10
Observed 21
- HTTP requests move to HTTPS
- HSTS kept for at least a year
- TLS 1.3 negotiated
- Certificate has more than 14 days left
- DMARC policy enforces quarantine or reject
- X-Content-Type-Options: nosniff
- Framing restricted
- Content Security Policy present
- HTTP/2 negotiated
- HTML compressed
- 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 yumpu.com?
Re-run the checks after a change, or verify the site in a free workspace to save reports with history, compare against similar sites and competitors, and track a private action plan. What owners get.
Live status for this site: Status Is Down: yumpu.com. This profile covers configuration only.