Website fix guides
The problems we see most when testing real sites, grouped by what the site is built with. Each guide explains the cause, the fix, and how to check it worked.
Lovable
- Lovable site not showing on Google: causes and fixes
- Lovable custom domain not working: statuses, causes and fixes
- Lovable app shows no Supabase data: fixing Row Level Security
- Lovable login redirects to localhost: how to fix auth URLs
- Lovable app gives 404 on refresh after export: the fix per host
- Lovable link preview not showing the right image: how to fix it
- Lovable contact form not sending email: how to make it deliver
- Lovable changes not showing on the live site: what to check
Bolt.new
- Bolt.new blank page after deploy: causes and fixes
- Bolt.new site shows 404 on refresh: the Netlify fix
- Bolt.new environment variables not working after deploy
- Bolt.new custom domain not connecting: causes and fixes
- Bolt.new Google sign-in not working: causes and fixes
- Bolt.new emails not sending: contact forms and auth emails
- Bolt.new site stopped working: hosting limits and other causes
- Bolt.new site not showing on Google: causes and fixes
v0
- v0 preview doesn't match the deployed site: how to fix it
- v0 "Application error: a client-side exception has occurred": the fix
- How to change the "v0 App" title and "Created with v0" description
- Vercel site asks visitors to log in: why and how to make it public
- v0 images not showing after deploy: the causes and fixes
- v0 contact form not sending email: what to check
Replit
- Replit app stops when I close the tab: how to keep it running
- Replit works in dev but not in production: the real causes
- Replit deployment failed health check: how to get it to publish
- Replit app slow to load: cold starts and how to fix them
- Replit custom domain not working: verifying, failed and SSL fixes
- Replit site not showing on Google: what to change
Base44
Cursor and Claude Code
Bubble
Framer
WordPress
- WordPress mobile menu not working: how to find the cause
- WordPress still shows “Not secure” after installing SSL
- WordPress images not showing after migration
- All WordPress pages return 404 except the homepage
- Contact Form 7 keeps spinning and won’t send
- Elementor popup won’t close on mobile
- WordPress button not working on mobile
WooCommerce
Shopify
- Shopify add to cart button not working: causes and fixes
- Shopify cart drawer not opening after add to cart
- Shopify price not updating when selecting a variant
- Shopify mobile site moves left and right: how to stop it
- Shopify product images not loading or showing blank
- Shopify cookie banner too big on mobile or covering the screen