In this article · 12 sections
Technical SEO makes sure search engines can crawl, render, index and understand your website. Without it, even excellent content can struggle. Use this technical SEO checklist for a new site launch, a redesign or a yearly audit.
Crawling
robots.txtexists and doesn't block important pages or CSS/JS. See robots.txt and sitemaps- XML sitemap lists only indexable, canonical URLs (200 status)
- Sitemap submitted in Google Search Console and Bing Webmaster Tools
- No important pages orphaned (every page linked from somewhere)
- Internal links use HTML
<a href>links, not JavaScript-only clicks - No infinite URL spaces (filters, calendars) wasting crawl budget
Indexing
- Important pages are indexed (Search Console → Pages)
- Thin or private pages use
noindex - Canonical tags point to the preferred URL. See duplicate content and canonicals
- One version of the site: HTTPS, www or non-www, with 301 redirects
- No accidental
noindexleft over from staging - Fix "Crawled – currently not indexed" issues. See indexing problems
Site structure and URLs
- Logical hierarchy (Home → Category → Page)
- Short, readable URLs with keywords
- Breadcrumbs with BreadcrumbList schema
- Strong internal linking to important pages
Status codes and redirects
- No broken internal links (404s). See broken links and redirect chains
- No redirect chains or loops
- Old URLs from redesigns 301-redirected to relevant new pages
- Custom, helpful 404 page
Page-level technical elements
- Unique title tag and meta description per page
- One H1 per page that describes the topic
- Images with alt text and descriptive file names. See image SEO
langattribute set correctly
Speed and Core Web Vitals
- Core Web Vitals "Good" for real users. See PageSpeed Insights explained
- Fast server response. See reduce TTFB
- Compression, caching and HTTP/2 or HTTP/3. See HTTP/2, HTTP/3 and Brotli
Mobile
- Mobile-friendly layout; same content on mobile and desktop. See mobile-first indexing
- No intrusive pop-ups on mobile
Security
- Valid HTTPS everywhere, no mixed content
- No malware or hacked content (Search Console → Security issues)
Structured data
- Organization/LocalBusiness, BreadcrumbList, Article, Product, FAQ where relevant
- Validated with Google's Rich Results Test; no errors in Search Console
JavaScript and international
- Content renders without user interaction. See JavaScript SEO
- hreflang correct for multilingual sites. See multilingual hreflang
How often?
- Quick checks monthly. See monthly SEO checklist
- Full technical audit yearly and before/after any redesign or migration
FAQs
Can I do a technical SEO audit myself?
Many checks, yes, with Search Console, PageSpeed Insights and a crawler like Screaming Frog. Complex issues may need a developer.
Does technical SEO alone improve rankings?
It removes barriers. Rankings also need relevant content, links and local signals.
Joboo Web runs technical SEO audits and fixes for business websites. SEO plans from ₹3,999/month. Get an audit.