amazon.com

Readiness by lane

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

Priority fixes for amazon.com

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

1. Priority 1 · Enable

   Mobile viewport configured

   Observed: The homepage had no viewport meta tag, so phones may render it zoomed out.

   Why it matters: Without it, phones render the page at desktop width and shrink it, which makes text tiny and hard to use.

   What to do: Add <meta name="viewport" content="width=device-width, initial-scale=1"> and check the layout on small screens.

   98% 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: Responsive Web Design Checklist for Real Devices

2. Priority 2 · Accelerate

   Offscreen images lazy-loaded

   Observed: The homepage had 19 images and none used loading="lazy".

   What to do: Add loading="lazy" to images below the fold. Do not lazy-load the main hero image, because that delays the largest visible element.

   72% of E-Commerce & Marketplaces peers do this.

   Guide: Lazy Loading Without Broken Pages

3. 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.

   44% of E-Commerce & Marketplaces peers do this.

   Guide: Control Third-Party Scripts Before They Control Your Page

4. Priority 4 · Harden

   Certificate lifetime of 100 days or less

   Observed: The certificate from Amazon had a 357-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

What amazon.com already does well

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

• security.txt publishedsecurity.txt with a contact found.7.6% of peers
• HSTS kept for at least a yearHSTS with a 549-day max-age covering subdomains.32% of peers
• DMARC policy enforces quarantine or rejectDMARC policy p=quarantine.39% of peers

What we saw

Homepage checked

https://www.amazon.com/

Homepage response

HTTP 200

TLS

TLSv1.3, HTTP/2

Certificate

Amazon, 357-day validity, expiring 2027-01-11

CDN or edge

Amazon CloudFront

DNS operators

Amazon Route 53

HSTS

max-age 549 days, includeSubDomains, preload

DMARC policy

p=quarantine

Homepage HTML

796 KB, gzip

Images on homepage

19 (jpg 66, png 8, gif 1)

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

Compare with other E-Commerce & Marketplaces sites

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• americangirl.com75
• aratiendas.com75

E-Commerce & Marketplaces readiness benchmark