10 Critical SEO Mistakes Killing Your Rankings

By SEO & AEO PRO Team | December 15, 2025 | 9 min read

⚠️ Warning Signs

If your traffic has dropped or rankings have stalled, you're likely making one or more of these critical mistakes.

Mistake #1: Missing or Duplicate Title Tags

Title tags are the single most important on-page SEO factor.

Fix: Every page needs a unique, keyword-rich title under 60 characters.

Mistake #2: No Meta Descriptions

Fix: Write compelling meta descriptions (150-160 characters) for every page.

Mistake #3: Missing H1 Tags or Multiple H1s

Fix: One unique H1 per page that includes your target keyword.

Mistake #4: Ignoring Mobile Optimization

Fix: Ensure responsive design and touch-friendly navigation.

Mistake #5: Slow Page Speed

Fix: Optimize images, enable caching, and minimize JavaScript.

Mistake #6: No Schema Markup

Fix: Implement Organization, FAQ, Product, and Article schema as appropriate.

Mistake #7: Thin Content

Fix: Aim for 1,500+ words on key pages.

Mistake #8: Poor Internal Linking

Fix: Link related pages together with descriptive anchor text.

Mistake #9: No SSL Certificate (HTTPS)

Fix: Install SSL certificate and redirect all HTTP to HTTPS.

Mistake #10: Ignoring AEO

Fix: Optimize for both SEO and AEO using answer-first content and schema.

Scan Your Site for Mistakes →