Website readiness profile · Snapshot 23 October 2026
knowyourmeme.com
knowyourmeme.com's public homepage, certificate and DNS checked against 31 practices and compared with 696 Literary & Knowledge sites.
- Readiness index
- 73/100
- Ahead of
- 83%
- Practices observed
- 20/30
- Popularity band
- Top 50K
Literary & Knowledge median 62
of measured Literary & Knowledge sites
1 of 31 could not be measured
Chrome UX Report top-sites list
Readiness by lane
Green: knowyourmeme.com. Thin bar: Literary & Knowledge peer median.
Enable
100/100
Peers 78
Harden
60/100
Peers 51
Accelerate
71/100
Peers 62
Recover
0/100
Peers 6
Priority fixes for knowyourmeme.com
Ordered by impact and by how common each practice is among peers.
Priority 1 · Accelerate
Modern image formats in use
Observed: The homepage had 179 images and none used WebP or AVIF.
Why it matters: WebP and AVIF are typically much smaller than JPEG or PNG at similar quality, and images are often the heaviest part of a page.
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.
On Cloudflare: Cloudflare Polish can convert images to WebP.
31% of Literary & Knowledge peers do this. Limit: Based on the homepage HTML delivered to an automated client; scripts that run later were not executed.
Guide: AVIF, WebP, JPEG, and PNG: Choose the Right Image Format
Priority 2 · Harden
DMARC policy enforces quarantine or reject
Observed: The DMARC policy for knowyourmeme.com was p=none, which asks receivers to take no action on failing mail.
What to do: Publish DMARC with p=none and a reporting address first, fix any legitimate senders that fail SPF or DKIM alignment, then move to quarantine and finally reject.
22% of Literary & Knowledge peers do this.
Priority 3 · 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 Cloudflare: Enable HTTP/3 (with QUIC) under Speed > Optimization > Protocol Optimization.
47% of Literary & Knowledge peers do this.
Priority 4 · Harden
Certificate lifetime of 100 days or less
Observed: The certificate from Sectigo Limited had a 396-day validity period, longer than the 100-day maximum that applies from March 2027.
What to do: Move to automated issuance and renewal now, while you still have time to test it.
78% of Literary & Knowledge peers do this.
What knowyourmeme.com already does well
Practices fewer than half of Literary & Knowledge peers use.
- HSTS kept for at least a yearHSTS with a 365-day max-age.28% of peers
- Framing restrictedFraming controls present.37% of peers
- X-Content-Type-Options: nosniffnosniff header present.38% of peers
What we saw
- Homepage checked
- https://knowyourmeme.com/
- Homepage response
- HTTP 200
- TLS
- TLSv1.3, HTTP/2
- Certificate
- Sectigo, 396-day validity, expiring 2026-11-09
- CDN or edge
- Cloudflare
- DNS operators
- Constellix
- HSTS
- max-age 365 days
- DMARC policy
- p=none
- Homepage HTML
- 202 KB, gzip
- Images on homepage
- 179 (jpg 116, svg 33, png 7, gif 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 20
- HTTP requests move to HTTPS
- HSTS kept for at least a year
- TLS 1.3 negotiated
- Certificate has more than 14 days left
- X-Content-Type-Options: nosniff
- Framing restricted
- HTTP/2 negotiated
- HTML compressed
- Offscreen images lazy-loaded
- No render-blocking scripts in <head>
- 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
Not measured 1
- Static files cached for 30 days or more
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Live status for this site: Status Is Down: knowyourmeme.com. This profile covers configuration only.