Step 1: Google Search Console — check if Google can see your site
If Search Console isn't connected yet — that's the first thing to do. But if you already have access, go in and check three things:
- Coverage — how many pages are indexed and whether there are errors. Red errors are critical — fix them first.
- Core Web Vitals — whether the site passes Google's threshold values. Poor scores directly affect rankings.
- Performance — queries with many impressions and low CTR (under 3%) are pages where you need to improve meta tags.
Step 2: PageSpeed Insights — check your speed
Go to pagespeed.web.dev, enter your URL and check both mobile and desktop versions separately. Google has ranked sites primarily based on mobile since 2021.
- 90–100 — excellent, nothing to do
- 50–89 — room to improve, but not critical
- 0–49 — serious problem affecting rankings and conversion
Most common causes: uncompressed images (convert PNG/JPG to WebP via squoosh.app), render-blocking fonts, unused JavaScript.
Step 3: Check meta tags on all pages
Open each key page in your browser and press Ctrl+U (view source). Find in the <head>:
<title>— present? Under 60 characters? Contains the keyword?<meta name="description">— present? Under 160 characters? Written like ad copy?<h1>in the body — is there exactly one H1?<link rel="canonical">— points to the correct page URL?
Faster method: install the SEO META in 1 CLICK Chrome extension — it shows all meta tags for the current page in one click.
Step 4: Ahrefs Webmaster Tools — check technical errors and links
Ahrefs Webmaster Tools is free for site owners. After verifying your domain you get:
- List of all technical errors with explanations and priority
- Which sites link to you (external links)
- Which keywords bring traffic according to Ahrefs data
- Broken links on your site
Step 5: Check indexation via Google
In Google's search bar, type: site:yourdomain.com
Google will show all your site pages it has indexed. Compare the count with your actual page count. If Google has far fewer — there's an indexation problem (blocked robots.txt, noindex tags, no internal links to pages).
Step 6: Check heading structure
Install the HeadingsMap Chrome extension. It shows the heading hierarchy (H1, H2, H3...) on any page as a tree. Look for:
- Exactly one H1 per page
- H2 and H3 flow logically without gaps
- Headings describe section content, not decorative
- Keywords present in headings naturally
Step 7: Check images
- Does every image have an
altattribute with a description? - Does every image have a
titleattribute? - Is the format WebP? (better than JPG/PNG for quality and size)
- File size under 200 KB loads fast
Step 8: Check mobile version
Go to search.google.com/test/mobile-friendly and enter your URL. The tool will show whether there are problems with the mobile version from Google's perspective.
Step 9: Check internal links
- Are there links from the home page to all key sections?
- Are there "orphan pages" — pages with no inbound links?
- Are there broken 404 links?
- Do you use anchor text with keywords, not just "here" or "read more"?
Step 10: Check Schema.org markup
Go to search.google.com/test/rich-results and enter your URL. The tool will show whether your site has structured data (Schema.org) and whether it's correct.
Minimum set for business sites: Organization or LocalBusiness on the home page, BreadcrumbList on inner pages, Article or BlogPosting for blog posts.
Master checklist
- ✓ Google Search Console connected, no critical errors
- ✓ Mobile PageSpeed > 60
- ✓ Title and description on all pages, unique
- ✓ One H1 per page
- ✓ Ahrefs Webmaster Tools connected, High errors fixed
- ✓ site:domain.com shows correct pages
- ✓ Heading structure logical (H1 → H2 → H3)
- ✓ All images have alt and title
- ✓ Mobile version passes Google test
- ✓ No orphan pages or broken links
- ✓ Schema.org markup present and valid
Found issues but don't know where to start?
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