
Technical SEO forms the backbone of any successful search strategy. Without a healthy technical foundation, even the best content and link-building campaigns won’t perform to their full potential. A technical SEO audit ensures your website is properly optimized for crawling, indexing, and performance in 2025’s search environment, where speed, mobile usability, and AI-driven engines play bigger roles than ever.
We’ll break down what to check during a technical SEO audit and what to fix to improve both search rankings and user experience.
Why a Technical SEO Audit Matters in 2025
- Crawlability & Indexing – If Google and other search engines can’t access or properly index your site, it won’t rank.
- User Experience – Technical issues like slow load times or broken links drive users away.
- AI-Driven Search – With Google’s SGE (Search Generative Experience) and other AI models, structured and technically sound sites are more likely to be featured prominently.
- Competitive Advantage – Many businesses neglect technical SEO. A strong audit helps you outperform competitors.
Key Areas to Check in a Technical SEO Audit
1. Crawlability and Indexing
- Review your robots.txt to ensure important pages aren’t blocked.
- Use Google Search Console to check crawl stats and indexing coverage.
- Audit your XML sitemap for accuracy and freshness.
2. Site Speed and Core Web Vitals
- Measure Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS).
- Optimize images, enable compression, and leverage a content delivery network (CDN).
- Check mobile page speed separately, Google indexes mobile-first.
3. Mobile-Friendliness
- Run your site through Google’s Mobile-Friendly Test.
- Ensure responsive design works across devices.
- Review font sizes, tap targets, and interactive elements.
4. HTTPS and Security
- Confirm that the site runs fully on HTTPS.
- Identify and fix mixed content issues.
- Check for valid SSL certificates.
5. On-Site Technical Issues
- Fix broken links (404s) and redirect loops.
- Review canonical tags to prevent duplicate content issues.
- Ensure clean URL structures with descriptive keywords.
6. Structured Data and Schema
- Add schema markup for key elements like products, FAQs, events, or reviews.
- Validate markup using Google’s Rich Results Test.
- Remember: schema helps both rankings and AI-driven search features.
7. Site Architecture and Internal Linking
- Use a logical hierarchy with clear navigation.
- Flatten deep pages (avoid URLs buried 4+ clicks deep).
- Optimize internal linking for both SEO and user flow.
8. Index Bloat and Thin Content
- Identify low-value pages being indexed.
- Noindex or remove duplicate, thin, or outdated pages.
- Focus crawling on high-value pages that convert.
Fixing Issues After the Audit
Running the audit is only half the job. To see results, businesses need to:
- Prioritize issues based on SEO impact and business goals.
- Implement changes systematically, testing improvements as you go.
- Monitor site health continuously with tools like Screaming Frog, Ahrefs, or Sitebulb.
A technical SEO audit in 2025 is not a one-time task, it’s an ongoing process of monitoring, fixing, and optimizing. Search engines are evolving, but their need for fast, accessible, secure websites hasn’t changed. By checking crawlability, speed, mobile usability, structured data, and architecture, you give your site the technical strength it needs to rank higher and deliver a better user experience.
If you’re ready to uncover what’s holding your website back, SEO Consulting Experts can perform a full technical SEO audit and provide a step-by-step plan that actually improves rankings—not just reports on issues.
Contact us today to schedule your technical SEO audit and take the first step toward stronger search performance in 2025.