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Technical SEO

Check the crawl, index, render, architecture, schema, and page-experience layers beneath your content.

medium

Content & schema
50tests fired in this category
modules
8dedicated content & schema checks
every scan
299+tests across all categories

Why it matters

Content cannot compensate for a blocked sitemap, conflicting canonical, blank rendered DOM, unreachable page, or soft-404 response. FixWeb starts underneath the content so failures in a lower layer are not hidden by polished copy or metadata.

How it works

FixWeb checks robots.txt and sitemap availability, canonical and noindex agreement, rendered content and console errors, click depth and orphaning, redirect and 4xx integrity, JSON-LD validity, Organization and BreadcrumbList signals, HTTPS, HSTS, mobile layout, soft 404s, and field LCP, INP, and CLS when available.

Site impact

Technical conflicts can keep important URLs out of discovery or indexation, send crawlers to the wrong variant, or make users see a page different from the source markup. Structured data supports eligible features but does not guarantee them. HTTPS, mobile behavior, and Core Web Vitals affect trust and page experience, not rankings in isolation.

How FixWeb tests for it

The scanner fetches robots.txt, sitemaps, linked URLs, response chains, headers, rendered DOM, console output, media behavior, and JSON-LD. It checks architecture from crawl paths and uses Search Console only for provider-backed index coverage and real-user field metrics. It does not claim authenticated access or live ranking results.

How to improve

Publish a 200 canonical-only sitemap and allow required assets. Use one deliberate canonical per content item, reserve noindex for intentional templates, keep key pages within three clicks, and repair orphaned or redirected links. Validate JSON-LD against visible content, enforce HTTPS and HSTS, return real 404s, and optimize field vitals on important templates.

Run it on your own site

Keep improving while FixWeb keeps watch.

FixWeb crawls public pages like a real browser, then organizes crawl, search, content, accessibility, performance, media, form, runtime, browser-compatibility, owner-data, and repo findings into practical improvement prompts for Cursor, Claude, and Copilot.

  • $9 once, no subscription
  • Just paste a URL — we crawl, analyze, and report
  • Severity-graded quality issues, deduped to signal only
  • Current, AI-ready improvement prompts you can paste into Cursor, Claude, Copilot
Check my site →latest modules · practical fixes · better websites
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Technical SEO — Quality Spotlight · FixWeb