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Technical SEO is the work of making a site crawlable, indexable, and renderable by search engines — as distinct from content SEO (what the pages say) and off-page SEO (who links to them). If technical SEO is broken, content and links cannot compensate: a page that cannot be crawled or indexed will not rank regardless of quality.

What it covers

Crawling — whether engines can reach pages. robots.txt rules, internal linking, crawl budget, redirect chains, and server response codes. Indexation — whether crawled pages are eligible to appear. noindex directives, canonical tags, duplicate content, thin pages, and parameter handling. Rendering — whether the content engines see matches what users see. Client-side rendering can hide body text from crawlers that do not execute JavaScript, including many AI retrieval crawlers. Architecture — how pages relate. URL structure, category depth, internal link distribution, pagination, and faceted navigation. Structured data — machine-readable markup describing page content, usually Schema.org vocabulary in JSON-LD. Required for rich results and increasingly consumed by AI systems and shopping agents. Performance — load and interaction speed, measured by Core Web Vitals. Internationalization — hreflang annotations, country and language targeting, and avoiding duplicate content across locales.

Common failure modes on ecommerce sites

  • Faceted navigation generating unbounded crawlable URL combinations
  • Product variants split across near-identical pages without canonicals
  • Out-of-stock products returning soft 404s or being removed without redirects
  • Pagination that blocks crawlers from reaching deep catalogue pages
  • Structured data that contradicts the visible page — most often price or availability
  • Migrations that drop redirects and lose accumulated link and citation history

What Ryze does

The Technical Audit runs these checks on the top pages from your Search Console — robots.txt (including AI crawlers), sitemap, canonical tags, broken links, meta title and description, JSON-LD schema, image optimization, HTTPS, llms.txt, and Core Web Vitals from real Chrome users. Fix with agent applies the fixes your site connection allows and tells you what to change yourself.

Primary references