Website readiness profile · Snapshot 23 October 2026
overstock.com
overstock.com's public homepage, certificate and DNS checked against 31 practices and compared with 5,718 E-Commerce & Marketplaces sites.
- Readiness index
- 71/100
- Ahead of
- 50%
- Practices observed
- 19/31
- Popularity band
- Top 50K
E-Commerce & Marketplaces median 71
of measured E-Commerce & Marketplaces sites
0 of 31 could not be measured
Chrome UX Report top-sites list
Readiness by lane
Green: overstock.com. Thin bar: E-Commerce & Marketplaces peer median.
Enable
74/100
Peers 86
Harden
75/100
Peers 60
Accelerate
63/100
Peers 69
Recover
0/100
Peers 11
Priority fixes for overstock.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 82 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 Vercel: Vercel Image Optimization serves modern formats.
47% of E-Commerce & Marketplaces 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 · Enable
Canonical URL declared
Observed: The homepage did not declare a canonical URL.
What to do: Add a self-referencing canonical link to every indexable page, using the final https:// URL.
85% of E-Commerce & Marketplaces peers do this.
Priority 3 · 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.
44% of E-Commerce & Marketplaces 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.
47% of E-Commerce & Marketplaces peers do this.
What overstock.com already does well
Practices fewer than half of E-Commerce & Marketplaces peers use.
- DNSSEC signedDNSSEC delegation (DS record) present.7.7% of peers
- HSTS kept for at least a yearHSTS with a 365-day max-age.32% of peers
- DMARC policy enforces quarantine or rejectDMARC policy p=reject.39% of peers
What we saw
- Homepage checked
- https://www.overstock.com/
- Homepage response
- HTTP 200
- TLS
- TLSv1.3, HTTP/2
- Certificate
- DigiCert, 365-day validity, expiring 2027-01-27
- CDN or edge
- Akamai, Vercel
- Platform or framework
- Next.js
- DNS operators
- NS1
- HSTS
- max-age 365 days
- DMARC policy
- p=reject
- Homepage HTML
- 323 KB, br
- Images on homepage
- 82 (jpg 430, svg 382)
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 12
- Certificate lifetime of 100 days or less
- CAA records limit who can issue certificates
- security.txt published
- X-Content-Type-Options: nosniff
- Referrer-Policy set
- HTTP/3 advertised
- Modern image formats in use
- No render-blocking scripts in <head>
- Canonical URL declared
- Structured data present
- Social preview image set
- Nameservers spread across providers
Observed 19
- HTTP requests move to HTTPS
- HSTS kept for at least a year
- TLS 1.3 negotiated
- Certificate has more than 14 days left
- DNSSEC signed
- DMARC policy enforces quarantine or reject
- Framing restricted
- Content Security Policy present
- HTTP/2 negotiated
- HTML compressed
- Static files cached for 30 days or more
- Offscreen images lazy-loaded
- robots.txt published
- XML sitemap discoverable
- Reachable over IPv6
- Meta description written
- Mobile viewport configured
- Page language declared
- At most one redirect to the homepage
Own overstock.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: overstock.com. This profile covers configuration only.