Pre-launch performance audits specifically catch issues before specific they affect specific conversions and specific SEO rankings. The specific checklist specifically covers specific Core Web Vitals (specific LCP, specific INP, specific CLS targets), specific mobile performance (specific the specific disproportionately-important mobile experience), specific caching configuration (specific browser, specific CDN, specific service worker), specific third-party script audit, specific SEO technical signals (specific crawlability, specific canonical URLs, specific structured data). The specific pre-launch audit specifically prevents the specific common pattern of specific launching sites with specific performance issues that specific then require specific weeks of specific post-launch fixing while specific conversions and specific rankings specifically suffer.
Pre-launch checklist: CWV targets, mobile performance, caching config, third-party audit, SEO technical signals. Prevents post-launch firefighting.
What specifically are the Core Web Vitals targets for pre-launch?
The specific Core Web Vitals targets for pre-launch specifically are: 1) LCP under 2.5s on specific mobile and desktop (Google threshold), under 1.8s for conversion-optimized sites. 2) INP under 200ms (Google threshold), under 100ms for interaction-heavy sites. 3) CLS under 0.1 on specific all key pages. 4) The specific targets specifically apply to specific key pages (specific homepage, specific category pages, specific product pages, specific blog pages, specific checkout flow) rather than specifically every page. 5) Specific measurement specifically uses specific PageSpeed Insights and specific Lighthouse against specific the pre-launch staging environment, specifically with specific key pages tested across specific mobile and specific desktop viewports. The specific targets specifically produce specific the specific baseline performance that specifically allows specific the launch to specifically succeed.
What specifically does the mobile performance pre-launch checklist cover?
The specific mobile performance pre-launch checklist specifically covers: 1) Mobile-specific LCP measurement (specific must specifically pass thresholds separately from desktop). 2) Mobile viewport configuration (specific viewport meta tag correctly set, specific no horizontal scrolling, specific tap targets specifically sized appropriately). 3) Mobile image delivery (specific responsive srcset serving appropriate sizes, specific not specific desktop-sized images). 4) Mobile JavaScript bundle size under 170KB (specific the specific mobile performance budget). 5) Mobile third-party script audit (specific disabling non-critical scripts on mobile when possible). 6) Mobile touch interaction testing (specific all critical flows specifically work on specific touch, specific not specific just mouse hover). The specific checklist specifically catches specific the mobile-specific issues that specific desktop-only testing specifically misses.
What specifically does the caching configuration audit cover?
The specific caching configuration audit specifically covers: 1) Browser caching — specific Cache-Control headers set appropriately per asset type (specific long cache for versioned static assets, specific appropriate cache for images, specific short cache for HTML). 2) CDN caching — specific CDN configured, specific edge caching active, specific appropriate cache rules. 3) Service worker — specific if applicable, specific service worker specifically deployed and specifically functioning. 4) Cache invalidation — specific versioning strategy for specific static assets, specific CDN purge for specific content updates. 5) Repeat-visit testing — specific verifying that specific repeat visits specifically load dramatically faster than specific first visits. The specific audit specifically ensures specific caching infrastructure specifically supports the specific traffic specifically on launch day.
What specifically does the third-party script audit cover?
The specific third-party script audit specifically covers: 1) Inventory of specific all third-party scripts specifically loading on specific the site. 2) Business case verification for specific each script — specific is the specific business case specifically still relevant. 3) Performance impact measurement per script — specific through specific DevTools Request Blocking testing. 4) Deferral configuration — specific non-critical scripts specifically load async or deferred. 5) Tag manager configuration — specific if specific using Google Tag Manager, specific tags specifically fire with specific appropriate triggers. 6) Script removal recommendation — specific scripts without specific business case or specific with specific disproportionate performance cost specifically are flagged for removal. The specific audit specifically prevents launching with specific unaudited script accumulation that specifically degrades performance.
What specifically does the SEO technical pre-launch checklist cover?
The specific SEO technical pre-launch checklist specifically covers: 1) Crawlability — specific robots.txt specifically allows specific appropriate crawler access (specific Googlebot, specific Bingbot, specific GPTBot, specific PerplexityBot, specific ClaudeBot for AEO). 2) Canonical URLs — specific canonical tags specifically set on specific all pages, specific pointing to specific correct URLs. 3) Structured data — specific appropriate schema markup specifically present and specifically valid. 4) XML sitemap — specific generated and specifically submitted. 5) Mobile-friendly test — specific pages specifically pass specific Google's mobile-friendly test. 6) HTTPS — specific site specifically served over HTTPS with specific valid certificate. 7) Redirect audit — specific legacy URLs specifically redirect to specific new URLs with specific 301 permanent redirects. The specific checklist specifically ensures specific SEO technical foundation specifically supports the launch.
What is the common mistake teams make with pre-launch audits?
The common mistake is specifically running pre-launch audits specifically too late in the specific launch cycle, specifically when specific identified issues specifically cannot specifically be addressed before specific launch date. The specific right discipline is specifically to run the specific audit specifically at specific 50% of specific build completion (specific when specific issues specifically still can be addressed), specifically with specific interim audits at specific 75% and specific 90% completion. The specific staged audit specifically catches specific issues when specific they specifically can specifically still be addressed, specifically avoiding specific the pattern of specific launching with known performance debt that specifically teams specifically specifically specifically specifically specifically specifically specifically specifically specifically delay fixing.
Conclusion
Pre-launch performance audits specifically prevent costly post-launch fixing cycles. The practical next step for any team currently launching sites without the specific checklist discipline is to specifically implement it as a specific launch gate.