Improve SEO #3

Following the org-wide SEO guidance documented here update hardware.absmach.eu to improve its SEO baseline and overall audit score.

This issue tracks the hardware-specific implementation checklist:

Hardware SEO Checklist

• /s0 and /s1 have unique titles, meta descriptions, canonical URLs, and H1s.
• Product pages include valid Product schema.
• Product schema includes real offer fields only when they are accurate and maintainable.
• Product pages include valid BreadcrumbList schema.
• Technical specifications are visible in SSR HTML, not hidden behind tabs or client-only UI.
• Certification or compliance status is stated clearly where relevant to the sales motion.
• llms.txt exists and is not contradicted by robots.txt.
• AI crawlers are intentionally allowed or blocked; do not advertise AI-readable content while blocking major AI crawlers by mistake.
• Docs index, /s0, /s1, and base-board pages are clearly internally linked.
• Product copy uses buyer-facing terms such as gateway, hardware, industrial IoT, edge, RISC-V, ESP32-C6, and related terms where appropriate.

Notes

• Use the linked org-wide SEO guidance as the baseline standard.
• Apply the checklist in a way that matches the hardware site’s actual implementation and product claims.
• Do not add schema fields, certifications, pricing, or protocol claims unless they are accurate and maintainable.