/index /technical-seo/crawling-indexing

Crawling & Indexing — Technical SEO

Crawling, indexing, rendering, performance and everything the bots must do to find and understand your site.

All Technical SEO (50)Crawling & Indexing (18)Site Architecture (7)Structured Data (7)Core Web Vitals (8)International SEO (4)Security & HTTPS (0)Sitemap & Indexing Files (0)URL Architecture (6)

Fix crawl traps in filters and calendars

Stop linking to URL spaces a crawler can enter but never exhaust.

Make JavaScript content crawlable

If the raw HTML is empty, some crawlers and assistants see nothing.

Fix soft 404 pages properly

Return a real 404 or 410 instead of a 200 page that says not found.

Canonicalize duplicate URLs

One canonical URL per page, agreed on by every signal.

Ship app/sitemap.ts and app/robots.ts

Two file conventions give crawlers the map and the rules.

Add prerendering and a sitemap endpoint

Static output and one endpoint turn routes into crawlable URLs.

Fix redirect chains and loops

Every legacy URL should reach its final 200 in a single hop.

Submit your sitemap in Search Console

Shorten discovery time and surface parsing errors you would otherwise miss.

Monitor index coverage in Search Console

Read the why behind every excluded URL before you fix anything.

Return true 404s with notFound()

Call notFound() instead of rendering an empty page with status 200.

Return correct status codes for removed pages

404 for unknown URLs, 410 for permanent removals, never 200 with an apology.

Move redirects into next.config redirects()

Declare permanent redirects as configuration, not client code.

Manage crawl budget on large sites

Segment logs, find wasted requests, and fix the templates that cause them.

Set up Bing Webmaster Tools and IndexNow

Reach Bing and Copilot users and cut discovery lag for new URLs.

Verify indexing with URL Inspection

Check what Google actually indexed before you debug any ranking.

Write a crawlable robots.txt

One root file, CSS and JS allowed, sitemap referenced, no accidental site-wide block.

Add sitemap.xml with accurate lastmod

Generate canonical, indexable URLs from your content store, not from a crawl.

Audit Googlebot crawl behavior with server logs to find crawl traps

Server log analysis reveals how Googlebot actually spends crawl budget, exposing infinite URL spaces, thin faceted combinations and orphan pages that internal tools miss.

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