bluestone.com

Readiness by lane

Green: bluestone.com. Thin bar: E-Commerce & Marketplaces peer median.

Priority fixes for bluestone.com

Ordered by impact and by how common each practice is among peers.

1. 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.

   32% of E-Commerce & Marketplaces peers do this. Limit: Read from the homepage response only; other pages or regions may send different headers.

   Guide: HTTPS and TLS Guide for Website Owners

2. 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.

   47% of E-Commerce & Marketplaces peers do this.

   Guide: CDN Guide for Website Owners

3. Priority 3 · Harden

   Certificate lifetime of 100 days or less

   Observed: The certificate from GoDaddy.com had a 198-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.

   70% of E-Commerce & Marketplaces peers do this.

   Guide: HTTPS and TLS Guide for Website Owners

4. Priority 4 · Harden

   X-Content-Type-Options: nosniff

   Observed: The homepage response did not include X-Content-Type-Options: nosniff.

   What to do: Send X-Content-Type-Options: nosniff on all responses and make sure each file is served with the correct Content-Type.

   64% of E-Commerce & Marketplaces peers do this.

   Guide: A Practical Website Health Check for Owners

What bluestone.com already does well

Practices fewer than half of E-Commerce & Marketplaces peers use.

• DMARC policy enforces quarantine or rejectDMARC policy p=quarantine.39% of peers
• No render-blocking scripts in <head>Head scripts load without blocking.44% of peers
• Modern image formats in useWebP or AVIF images detected.47% of peers

What we saw

Homepage checked

https://www.bluestone.com/

Homepage response

HTTP 200

TLS

TLSv1.3, HTTP/2

Certificate

GoDaddy, 198-day validity, expiring 2027-02-17

DNS operators

Amazon Route 53

DMARC policy

p=quarantine

Homepage HTML

865 KB, gzip

Images on homepage

232 (png 168, webp 44, jpg 2, svg 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

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E-Commerce & Marketplaces readiness benchmark