Website readiness profile · Snapshot 23 October 2026
squareup.com
squareup.com's public homepage, certificate and DNS checked against 31 practices and compared with 157 Online Payment & Wallets sites.
- Readiness index
- 81/100
- Ahead of
- 85%
- Practices observed
- 22/30
- Popularity band
- Top 50K
Online Payment & Wallets median 64
of measured Online Payment & Wallets sites
1 of 31 could not be measured
Chrome UX Report top-sites list
Readiness by lane
Green: squareup.com. Thin bar: Online Payment & Wallets peer median.
Enable
87/100
Peers 72
Harden
77/100
Peers 63
Accelerate
88/100
Peers 61
Recover
0/100
Peers 6
Priority fixes for squareup.com
Ordered by impact and by how common each practice is among peers.
Priority 1 · Harden
Content Security Policy present
Observed: The homepage response did not include a Content-Security-Policy header.
Why it matters: A CSP limits where scripts, styles and frames can load from, which reduces the impact of injected or compromised third-party code.
What to do: Start with Content-Security-Policy-Report-Only to see what would break, tighten the policy over a few weeks, then enforce it.
49% of Online Payment & Wallets peers do this. Limit: Read from the homepage response only; other pages or regions may send different headers.
Guide: Payment Security and PCI DSS: What Website Owners Need to Know
Priority 2 · 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.
35% of Online Payment & Wallets peers do this.
Priority 3 · Harden
CAA records limit who can issue certificates
Observed: No CAA record was found for squareup.com, so any public certificate authority may issue for it.
What to do: Publish CAA records naming every CA you actually use, including the CAs your CDN uses for managed certificates. Add an iodef contact if you want reports.
On Cloudflare: Cloudflare documents which CAs its managed certificates need; include them in your CAA records.
18% of Online Payment & Wallets peers do this.
Priority 4 · Enable
Structured data present
Observed: The homepage had no JSON-LD structured data.
What to do: Add JSON-LD for your organization and main content types, then test it with Google's Rich Results Test.
38% of Online Payment & Wallets peers do this.
What squareup.com already does well
Practices fewer than half of Online Payment & Wallets peers use.
- Referrer-Policy setReferrer-Policy present.37% of peers
- Certificate lifetime of 100 days or lessShort-lived 90-day certificate from Google Trust Services, already inside the 2027 limit.44% of peers
- Modern image formats in useWebP or AVIF images detected.47% of peers
What we saw
- Homepage checked
- https://squareup.com/
- Homepage response
- HTTP 200, after 1 redirect
- TLS
- TLSv1.3, HTTP/2
- Certificate
- Google Trust Services, 90-day validity, expiring 2026-12-29
- CDN or edge
- Cloudflare
- DNS operators
- Amazon Route 53
- HSTS
- max-age 7,305 days, includeSubDomains, preload
- DMARC policy
- p=reject
- Homepage HTML
- 1,879 KB, gzip
- Images on homepage
- 96 (png 371, jpg 30, svg 13)
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 8
Observed 22
- HTTP requests move to HTTPS
- HSTS kept for at least a year
- TLS 1.3 negotiated
- Certificate has more than 14 days left
- Certificate lifetime of 100 days or less
- DMARC policy enforces quarantine or reject
- X-Content-Type-Options: nosniff
- Framing restricted
- Referrer-Policy set
- HTTP/2 negotiated
- HTML compressed
- Modern image formats in use
- Offscreen images lazy-loaded
- No render-blocking scripts in <head>
- robots.txt published
- XML sitemap discoverable
- Canonical URL declared
- Meta description written
- Mobile viewport configured
- 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
Own squareup.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: squareup.com. This profile covers configuration only.