Launching a new website is exciting—but making sure it’s optimized for search engines and users is crucial. That’s where a site audit comes in. Think of it as a full health check-up for your website. It helps you find and fix issues that could affect your visibility, speed, and user experience.
In this guide, we’ll walk you through how to do a site audit from scratch, step-by-step, using simple language and practical tools.
What Is a Site Audit?
A site audit is a process of analyzing your website to identify problems that could hurt its performance. These problems might include:
- Broken links
- Slow loading pages
- Poor mobile experience
- Missing keywords
- Weak SEO structure
By fixing these issues, you improve your chances of ranking higher on Google and giving visitors a better experience.
Step-by-Step Guide to Auditing a New Website
Step 1: Crawl Your Website
Start by crawling your website using tools like:
These tools scan your site like Google does and show you:
- Broken links (404 errors)
- Missing or duplicate meta tags
- Poor internal linking
- Redirect issues
This gives you a clear picture of your site’s structure and technical health.
Step 2: Check Page Speed and Core Web Vitals
Speed matters—a slow site can drive visitors away. Use tools like:
- Google PageSpeed Insights
- GTmetrix
- WebPageTest
Focus on three key metrics:
- LCP (Largest Contentful Paint) – should be under 2.5 seconds
- FID (First Input Delay) – less than 100ms
- CLS (Cumulative Layout Shift) – less than 0.1
These are part of Google’s Core Web Vitals, which affect your rankings.
Step 3: Mobile-Friendliness
Most users browse on mobile, and Google uses mobile-first indexing. Use Google’s Mobile-Friendly Test to check:
- Is the text readable without zooming?
- Are buttons easy to tap?
- Does the layout adjust to different screen sizes?
If your site isn’t mobile-friendly, you’ll lose traffic and rankings.
Step 4: On-Page SEO Check
Make sure each page has:
- A clear title tag with your main keyword
- A compelling meta description
- Proper header tags (H1, H2, H3)
- Alt text for images
- Internal links to other pages
Step 5: Content Quality
Your content should be:
- Helpful and relevant
- Easy to read
- Better than your competitors’
Avoid thin or duplicate content. Use tools like Grammarly or Hemingway Editor to improve readability. Add visuals, FAQs, and structured data to make your content more engaging.
Step 6: Keyword Audit
Use keyword tools like:
- Google Search Console
- Semrush
- Ahrefs
Find out:
- What keywords you already rank for
- Which keywords have high search volume
- Which keywords your competitors are using
Update your content to include these keywords naturally. Avoid keyword stuffing—focus on user intent.
Final Tips
Run audits regularly—monthly or quarterly. Use Google Analytics and Looker Studio to track performance. Fix issues as they arise to keep your site healthy. Stay updated with SEO trends and Google algorithm changes.
Conclusion
Doing a site audit from scratch doesn’t have to be complicated. With the right tools and steps, you can ensure your new website is optimized for both search engines and users. Start small, stay consistent, and you’ll see improvements in traffic, engagement, and rankings.
How Often Should You Audit Your Website?
– Monthly: Check speed, broken links, and mobile usability.
– Quarterly: Full SEO audit including keywords and content.
– Yearly: Deep technical audit and redesign considerations.
Common Mistakes to Avoid During a Site Audit
1. Ignoring mobile optimization – Most traffic is mobile.
2. Not fixing broken links – These hurt SEO and user experience.
3. Skipping keyword research – You miss ranking opportunities.
4. Overlooking page speed – Slow sites lose visitors.
5. Not updating old content – Fresh content performs better.

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