WordPress and Shopify speed work from live engagements: Core Web Vitals, caching, and the numbers behind them.
TTFB ~2s → sub-1s with page caching across 42 currencies
WooCommerce page caching case study: per-currency cache architecture on a 42-currency ads-driven store took TTFB from ~2s to sub-1s and made the cache safe to test.
Read the case study →First Discover clicks back 6 days after mobile CWV passed
Google Discover traffic case study: 1k+ daily clicks fell to zero after a core update, and the first clicks returned six days after mobile Core Web Vitals passed.
Homepage asset requests 20 → 2 after the static rebuild
The numbers behind moving wpspeedopt.net from WordPress to a static Astro build: what we kept, what changed, and when the same choice would be wrong.
PageSpeed 50 → 90s on 4 country sites, held for 14 months
A 14-month case study: taking tbi bank's four country WordPress sites from mobile PageSpeed 50 into the 90s, and holding them there through regressions.
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