Technical SEO Audit: A Complete Checklist for 2025
A technical SEO audit forms the base of search engine work. It makes your website ready for search engines to find, list, and rank. This checklist covers key parts of technical SEO for better rankings.
Core Web Vitals Optimization
Google uses Core Web Vitals to check how well sites work for users. Good scores make your site fast and stable, and they are a core feature of any Alex Groberman Labs Monthly Plan offering (even the most basic plan).
Key Numbers:
Load Speed (LCP): Get under 2.5 seconds
Response Time (FID): Stay under 100 milliseconds
Visual Stability (CLS): Keep under 0.1
Image Work:
Convert all images to WebP format
Resize images to exact display dimensions
Use srcset for responsive images
Add width and height attributes
Compress all images below 100KB when possible
Create image loading priorities
Set up image CDN delivery
Add image caching rules
Server Speed Work:
Pick fast hosting providers
Set up server-side caching
Add browser caching rules
Use PHP 8.0 or higher
Enable HTTP/2 or HTTP/3
Set up proper SSL configuration
Monitor server response times
Create server backup systems
Code Optimization:
Remove unused CSS
Cut down JavaScript size
Set up code splitting
Add lazy loading
Remove render-blocking resources
Minify all code files
Set up critical CSS paths
Create resource hints
Mobile-First Indexing
Google ranks mobile sites first, so mobile optimization matters most.
Screen Fixes:
Test on multiple devices
Check all screen sizes
Fix viewport settings
Test touch targets
Check font sizes
Fix button spacing
Test form fields
Verify image scaling
Content Checks:
Match desktop content exactly
Check all meta tags
Verify structured data
Test all links work
Check button sizes
Verify form function
Test navigation menus
Monitor load times
Schema Markup Setup
Schema helps search engines read your content better.
Business Schema:
Add complete company details
Include social profiles
List business hours
Add contact points
Set up logo markup
Define service areas
List accepted payments
Add business category
Product Schema:
List all product details
Add pricing information
Include availability status
Show review ratings
List product variants
Add shipping details
Include product images
Set up inventory status
Speed Optimization
Fast sites rank better and keep users happy.
File Compression:
Enable Gzip compression
Minimize HTML files
Optimize CSS delivery
Reduce JavaScript size
Compress images properly
Set up file caching
Create cache rules
Monitor file sizes
CDN Setup:
Choose CDN provider
Set up global endpoints
Configure caching rules
Add security settings
Monitor CDN performance
Set up SSL certificates
Create backup CDNs
Test global speed
Database Work:
Optimize database tables
Clean up old entries
Remove spam comments
Fix database errors
Set up database caching
Monitor query performance
Create backup systems
Check database size
Advanced Checks:
Test Core Web Vitals weekly
Monitor mobile performance
Check server response times
Track page load speeds
Test user interactions
Monitor visual stability
Check browser caching
Verify CDN function
Security Setup
Make sites secure and trustworthy.
SSL Work:
Install SSL certificates
Set up HSTS
Configure security headers
Test SSL configuration
Monitor SSL expiration
Set up auto-renewal
Check SSL protocols
Test secure connections
Firewall Setup:
Configure WAF rules
Set up IP blocking
Create access lists
Monitor attack attempts
Block bad bots
Set up rate limiting
Create security logs
Monitor suspicious activity
Tracking Systems
Monitor site performance regularly.
Analytics Setup:
Install tracking codes
Set up goals
Create custom reports
Monitor user behavior
Track conversion rates
Check bounce rates
Monitor page views
Set up event tracking
Search Console:
Submit sitemaps
Check indexing status
Monitor search traffic
Track click rates
Check mobile usability
Monitor core vitals
Check security issues
Track manual actions
Monthly Tasks:
Run full site audits
Check all redirects
Verify robots.txt
Test all forms
Check broken links
Monitor site speed
Update schema markup
Review security logs
Conclusion
Technical SEO needs constant attention and updates. Keep checking your site, fixing issues, and improving performance to rank better in searches.
Start with core issues like speed and mobile work, then move to advanced items like schema and security. Keep testing and fixing to stay ahead in search rankings.
