Begin by installing Google Lighthouse extension in Chrome and creating a free Google Search Console account for your site.
- Open Chrome DevTools (F12), go to Lighthouse tab, run audits for Performance, Accessibility, and Best Practices.
- Verify your site in Search Console: Add property, use HTML tag method by copying
<meta name="google-site-verification" content="YOUR_CODE" /> to your site's <head>.
- Use URL Inspection tool to check how Google sees your page.
Review reports to identify initial issues.