harley-davidson.com

Readiness by lane

Green: harley-davidson.com. Thin bar: Cars & Automotive peer median.

Priority fixes for harley-davidson.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.

   On Cloudflare: Enable HSTS under SSL/TLS > Edge Certificates > HTTP Strict Transport Security and raise max-age gradually.

   41% of Cars & Automotive 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

   Modern image formats in use

   Observed: The homepage had 17 images and none used WebP or AVIF.

   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.

   47% of Cars & Automotive peers do this.

   Guide: AVIF, WebP, JPEG, and PNG: Choose the Right Image Format

3. Priority 3 · Enable

   At most one redirect to the homepage

   Observed: The homepage was reached after 2 redirects.

   What to do: Point every alternate address (http, www or apex, old paths) straight to the final URL in a single redirect.

   98% of Cars & Automotive peers do this.

   Guide: Technical SEO Audit: A Practical Owner’s Guide

4. Priority 4 · Harden

   Framing restricted

   Observed: The homepage did not send frame-ancestors or X-Frame-Options, so other sites may frame it.

   What to do: Send Content-Security-Policy: frame-ancestors 'self' (or a list of trusted origins). X-Frame-Options: SAMEORIGIN covers older browsers.

   On Cloudflare: Add the header with a response header transform rule.

   55% of Cars & Automotive peers do this.

   Guide: A Practical Website Health Check for Owners

What harley-davidson.com already does well

Practices fewer than half of Cars & Automotive peers use.

• DNSSEC signedDNSSEC delegation (DS record) present.8.3% of peers
• HTTP/3 advertisedHTTP/3 advertised.30% of peers
• DMARC policy enforces quarantine or rejectDMARC policy p=reject.41% of peers

What we saw

Homepage checked

https://www.harley-davidson.com/

Homepage response

HTTP 200, after 2 redirects

TLS

TLSv1.3, HTTP/2

Certificate

Google Trust Services, 90-day validity, expiring 2027-01-08

CDN or edge

Cloudflare

Platform or framework

Next.js, Adobe Experience Manager

DNS operators

Vercara UltraDNS

DMARC policy

p=reject

Homepage HTML

495 KB, br

Images on homepage

17 (jpg 63, 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

Compare with other Cars & Automotive sites

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• kepesmotor.hu71
• mazda.mx71

Cars & Automotive readiness benchmark