To perform an SEO audit, follow these steps:

Check Website Structure: Analyze site architecture, URLs, and internal linking for crawlability and indexability.
Review On-Page SEO: Assess title tags, meta descriptions, headers, and content quality for keyword optimization and relevance.
Analyze Technical SEO: Evaluate site speed, mobile-friendliness, SSL security, and XML sitemaps.
Evaluate Off-Page SEO: Review backlink quality and quantity, social media presence, and online reputation.
Audit Content: Ensure content is valuable, relevant, and regularly updated. Check for duplicate content.
Check for Penalties: Look for any Google penalties and resolve issues that might have caused them.
Use SEO Tools: Utilize tools like Google Analytics, Google Search Console, and third-party SEO software for in-depth analysis and reporting.
Regular audits help maintain and improve SEO performance.