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✅ SEO Audit Checklist 2025: Complete Website Review

Google’s search algorithms are constantly evolving, and what worked in 2022–2023 is not always effective in 2025. That’s why an SEO audit must be based on an up-to-date checklist covering technical, content, UX, and external factors.
This article is your step-by-step guide to checking your website thoroughly, ensuring you don’t miss any detail that affects your rankings.

🔧 Technical SEO Checklist

1. Correct Site Indexing● Is the site blocked by a noindex tag or in robots.txt?● Are all important pages available for indexing?● Check via Google Search Console → Coverage report
2. Sitemap.xml and robots.txt● The sitemap must be up-to-date and free of broken links.● robots.txt should not block indexing of important pages.
3. Page Response Codes● All main pages should return a 200 OK status..● Fix or redirect pages with 404 or 500 errors.
4. SSL Certificate● The site must be accessible via HTTPS..● Ensure HTTP URLs automatically redirect to HTTPS.
5. URL Structure● Use SEO-friendly URLs (e.g., example.com/seo-audit instead of example.com/page?id=123).● Avoid Cyrillic characters, spaces, or special symbols.
6. Site Speed (Page Speed)● Use Google PageSpeed Insights.● Target metrics:
● LCP (Largest Contentful Paint) < 2.5 seconds● FID (First Input Delay) < 100 ms● CLS (Cumulative Layout Shift) < 0.1

🧠 Content and On-Page Optimization

7. Title and Description● Unique for each page● Include the main keyword● Title up to 60 characters, Description up to 140 characters
8. H1 and Heading Structure● One H1 per page● Consistent hierarchy: H1 → H2 → H3
9. Keywords and Semantics● Content matches the user’s search intent● Use synonyms and LSI keywords
10. Text Uniqueness● At least 90% uniqueness according to Advego ● Avoid duplicate meta tags and content
11. Image Optimization● Alt texts include relevant keywords● File size up to 200 KB, preferably WebP format

Mobile and UX

12. Mobile Responsiveness● Check with Google Mobile-Friendly Test● Menus, buttons, and fonts should be user-friendly and easy to interact with
13. Clear Navigation● Use breadcrumbs● Logical page hierarchy
14. CTAs and Conversion Elements● Clear calls to action, such as “Order Now,” “Submit Request” buttons● Contact or feedback form accessible on all pages

🔗 External Signals (Off-Page SEO)

15. Backlink Analysis● Which domains link to your site?● Check for spammy links using Ahrefs / Serpstat / SEMrush● Dofollow/Nofollow ratio
16. Presence in Google My Business● Complete profile with photos, reviews, and NAP data (Name, Address, Phone)
17. Social Media Activity● Connections with Facebook / Instagram / YouTube● Links from social media pages to your website and vice versa

🛠 Tools for Conducting an SEO Audit:

● Google Search Console
● Screaming Frog SEO Spider
● Ahrefs / SEMrush / Serpstat
● PageSpeed Insights
● Mobile-Friendly Test
● Google Analytics 4

The SEO Audit Checklist 2025 is your roadmap to growth. By reviewing your website against each item, you not only fix errors but also build a strong foundation for effective SEO.

In a world where Google updates its algorithms every month, such an audit is not a luxury — it’s a necessity.

Accendix

© Created by Jeronymo

All rights Reserved

Accendix

© Created by Jeronymo

All rights Reserved