Technical SEO Checklist 2026: Everything Google Checks
The complete technical SEO checklist — covering crawlability, indexing, speed, mobile, and structured data.
“Technical SEO is the floor, not the ceiling. Get it right once and it stays right.”
Technical SEO is the infrastructure layer beneath your content. Get it right and your content has the best chance to rank. Get it wrong and even perfect content gets suppressed.
This checklist covers every technical factor that affects rankings in 2026.
Crawlability
robots.txt
- [ ] robots.txt file exists at yoursite.com/robots.txt
- [ ] Does NOT contain Disallow: / (which blocks everything)
- [ ] Blocks only private paths: /admin/, /api/, /staging/
- [ ] Contains a Sitemap: directive pointing to your sitemap URL
Crawl Budget - [ ] No redirect chains longer than 1 hop - [ ] No redirect loops - [ ] Broken internal links resolved (404s fixed or redirected) - [ ] Paginated pages handled correctly (self-canonical or proper pagination)
Indexability
Meta Robots - [ ] No pages have a noindex tag that should be indexed - [ ] Staging/dev environments are noindexed or blocked via robots.txt - [ ] Search result pages (/?s=query) are noindexed
Canonical Tags - [ ] Every public page has a self-referencing canonical tag - [ ] HTTP and HTTPS versions: only HTTPS is canonical - [ ] www and non-www versions: one is canonical, the other 301-redirects - [ ] Filter/sort parameter URLs canonical to the base URL
XML Sitemap - [ ] Sitemap exists and is submitted in Google Search Console - [ ] Contains only canonical, indexable URLs (no redirected or noindex pages) - [ ] Includes lastmod dates - [ ] Under 50,000 URLs (use sitemap index for larger sites)
Page Speed & Core Web Vitals
Largest Contentful Paint (LCP)
- [ ] Under 2.5 seconds (test with Google PageSpeed Insights)
- [ ] Hero image has a <link rel="preload"> tag
- [ ] Hero image served in WebP format
- [ ] CDN in place for static assets
Interaction to Next Paint (INP)
- [ ] Under 200ms
- [ ] No render-blocking scripts in the <head>
- [ ] Third-party scripts load with async or defer
Cumulative Layout Shift (CLS) - [ ] Under 0.1 - [ ] Images have explicit width and height attributes - [ ] Fonts use font-display: swap or optional - [ ] No content injected above the fold after load
Mobile
- •[ ] Viewport meta tag present:
<meta name="viewport" content="width=device-width, initial-scale=1"> - •[ ] All content accessible on mobile (no content hidden behind hover states)
- •[ ] Tap targets at least 48x48 pixels
- •[ ] No horizontal scrolling on mobile viewports
- •[ ] Google Search Console → Mobile Usability shows 0 errors
HTTPS & Security
- •[ ] All pages served over HTTPS
- •[ ] No mixed content warnings (HTTP resources loaded on HTTPS pages)
- •[ ] SSL certificate valid and not expiring within 30 days
- •[ ] HSTS header set on your server
Structured Data
- •[ ] Organization schema on homepage
- •[ ] WebSite schema with SearchAction on homepage (enables sitelinks search box)
- •[ ] Article or BlogPosting schema on all blog posts
- •[ ] BreadcrumbList schema on all pages below the homepage
- •[ ] FAQPage schema on pages with FAQ sections
- •[ ] Product schema on product pages (e-commerce)
How to Audit
Running through this checklist manually for a large site takes hours. Use RankyPulse's free audit to automatically check most of these items across every page of your site in one pass — it surfaces issues sorted by severity so you know exactly where to start.
Fix Tier 1 issues (crawlability and indexability) first — they block everything else. Tier 2 (speed) second. Structured data third. A clean technical foundation lets your content compete at its full potential.
Related reading: - On-Page SEO Checklist 2026: 20 Elements That Move Rankings - Google Not Indexing Your Pages? 6 Causes + Exact Fixes - See technical SEO at enterprise scale: Cloudflare SEO Audit