Common Technical SEO Issues and How to Fix Them
The problems site audits turn up again and again — missing alt text, meta descriptions, broken links and more — and how to fix each.
Key Points
- Missing or duplicate meta descriptions are among the most common on-page issues — often a CMS default.
- Broken internal links build up as a site grows; check after every migration or redesign.
- A slow Largest Contentful Paint usually comes down to large images or render-blocking JavaScript.
- Missing image alt text hurts accessibility and image search alike.
What Site Audits Find
Site audits tend to turn up the same handful of problems on small sites and large ones alike. Most of them are quick to fix once you know where they are.
SEB Sentinel checks for every issue below — among 50+ issue types — and sorts what it finds by severity, with a recommendation for each.
Ten Issues to Check First
1. Missing image alt text. 2. Missing or duplicate meta descriptions — often due to CMS defaults. 3. Broken internal links — they accumulate as sites grow. 4. Missing H1 tags or multiple H1s — usually a template issue. 5. Slow page load (LCP over 2.5 s) — usually large images or unoptimized JavaScript.
6. Missing canonical tags — a duplicate content risk. 7. HTTP resources on HTTPS pages (mixed content). 8. A missing or outdated XML sitemap. 9. Redirect chains. 10. Missing structured data.
Methodology
This is a checklist, not a data study: GrowSEB hasn't published audit statistics. Every issue listed is one SEB Sentinel checks for.
Put It Into Practice
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