Case studies
Real WordPress Speed Results — Verified in PageSpeed Insights
Every case study includes linked before/after PSI scores you can verify in Google's own tool — not self-reported screenshots.
Verified in PageSpeed Insights
Every before/after score is captured in Google's own PSI tool — not self-reported screenshots or synthetic lab-only tools.
PDF audit report included
Each project delivers a written audit with linked PSI URLs, bottleneck breakdown, and the exact fixes applied on staging.
Business metrics where available
When clients share analytics, we include revenue, bounce rate, and cart abandonment changes — not just lab scores.
Featured
Latest Verified Result
14s → 1.1s · PSI 28 → 96 · +22% revenue
WooCommerce Store — From 14-Second Mobile Load to Sub-2s
Mark T.'s e-commerce store was losing sales on mobile. After PageSpeed99 fixed LCP, deferred payment scripts, and optimized Elementor assets, PSI mobile hit 96 and revenue rose 22% the following month. Includes INP, CLS, cart abandonment, and full technical breakdown.
Read full case study →PSI Mobile
What's inside
Every Case Study Includes
Before & after metrics
PSI mobile/desktop, LCP, INP, CLS, TTFB, page weight, and HTTP request counts — side by side.
Technical breakdown
Images, CSS/JS, WooCommerce, hosting — grouped by fix category so you know exactly what changed.
Business impact
Revenue, bounce rate, and cart abandonment where clients share analytics — not just lab scores.
Browse by type
More Case Studies
Verified results across Elementor, Divi, WooCommerce checkout, Core Web Vitals, and agency white-label projects.
WooCommerce
14s → 1.1s · PSI 28 → 96
WooCommerce Store — From 14-Second Mobile Load to Sub-2s
E-commerce store losing mobile sales to 14.2s LCP. Elementor assets optimized, payment scripts deferred — PSI 96 and +22% revenue.
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Elementor
PSI 31 → 94 · LCP 8.4s → 1.6s
Elementor Business Site — Hero LCP & Script Deferral
Render-blocking Elementor CSS and oversized hero images fixed without breaking the page builder layout. Includes unused widget CSS removal and font-display swap.
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Divi
PSI 22 → 91 · CLS 0.24 → 0.04
Divi Agency Client — CSS Overhead & Font Loading
Divi theme bloat and unused module CSS eliminated while preserving custom module designs. Agency white-label delivery under client brand.
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WooCommerce
Checkout 4.2s → 1.3s · PSI 18 → 91
WooCommerce Checkout — Cart Fragments & Payment JS
Checkout under 1.5s after deferring Stripe JS and fixing cart fragment AJAX overhead. Cart abandonment down 31%.
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Agency
12 sites · avg PSI +58 pts
Agency Partner — White-Label Speed Projects
How a web agency delivers PSI 90+ results to clients under their own brand with PageSpeed99 staging-first workflow and fixed pricing.
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Core Web Vitals
GSC all green · LCP 6.1s → 1.9s
Core Web Vitals — Search Console Green Pass
LCP, INP, and CLS all passing in Google Search Console after a full CWV overhaul. CrUX field data confirmed within 28 days.
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WooCommerce
PSI 24 → 93 · TTFB 1.8s → 290ms
WooCommerce Store — WP Rocket Tuning & Bunny CDN
Subscription box store stuck on SiteGround shared hosting. Migrated to Cloudways, configured Bunny CDN, and tuned WP Rocket — LCP 11.2s to 1.4s.
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Core Web Vitals
PSI 26 → 92 · LCP 9.1s → 1.7s
Avada Law Firm — Theme Bloat & TTFB Fix
Corporate law firm on Avada with 9.1s LCP and Fusion Builder overhead. Avada JS/CSS stripped and server TTFB fixed without a redesign.
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Elementor
PSI 29 → 92 · INP 580ms → 84ms
Elementor Membership Site — Login Widget & INP Fix
MemberPress + Elementor course site with 580ms INP on mobile taps. Chat embeds and motion effects deferred — course completions up 12%.
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