LWCAdvancedlwrssrseo
Compare render mode server-side vs client-side for SEO LWC on LWR
Real World Scenario
Public marketing site on LWR needs product catalog LWC indexed by Google; client-only render shows empty content to crawlers.
Expected Answer
• LWR supports server-side rendering for selected components — enable per component config
• Hydration mismatch causes flicker — ensure server and client render same initial HTML
• SEO-critical content should not depend on post-login wire data
• Use semantic HTML in template not div-only structures
• Lazy load below-fold interactive widgets after SSR shell
• Validate with Google Search Console rendered HTML
• Balance SSR cost vs CDN cache strategy for high traffic pages
Follow-Up Questions & Answers
Click to expand — each follow-up includes a direct, interview-ready answer
Stay within limits by: LWR supports server-side rendering for selected components — enable per component config. Bulkify everything — never query or DML in loops. SEO-critical content should not depend on post-login wire data. SEO and LWC SSR is a deliberate architecture — bolt-on SSR after launch rarely clean. Optimize for scale and operational observability.
Architect Perspective
SEO and LWC SSR is a deliberate architecture — bolt-on SSR after launch rarely clean.