Swappie reduced load time by 23%, LCP by 55%, CLS by 91% and FID by 90% and saw a 42% increase in mobile revenue and a 10 percentage point increase in relative mobile conversion rate. Permalink Share on Twitter

NDTV, one of India's leading news stations and websites, improved LCP by 55% and saw a 50% reduction in bounce rate. Permalink Share on Twitter

iCook improved CLS by 15% and saw a 10% increase in ad revenue as a result. Permalink Share on Twitter

Tokopedia improved LCP by 55% and saw a 23% increase in average session duration. Permalink Share on Twitter

Vodafone improved their LCP by 31%, resulting in an 8% increase in sales, a 15% increase in their lead to visit rate, and an 11% increase in their cart to visit rate. Permalink Share on Twitter

Yahoo! Japan News reduced CLS by .2, decreasing the number of URLS with poor performance in search console by 98%. As a result, they saw a 15.1% increase in page views per session, 13.3% longer session durations and a 1.72 percentage point decrease in bounce rate. Permalink Share on Twitter

Yelp reduced First Contentful Paint (75th percentile) by 45% and Yelp Page Complete (75th percentile) by 25% and saw a 15% improvement in their conversion rate. Permalink Share on Twitter

Bing observed that an engineer that improves server performance by 10ms (that’s 1/30 of the speed that our eyes blink) more than pays for his fully-loaded annual costs. Every millisecond counts Permalink Share on Twitter

Bridesmaid dress retailer Revelry relaunched its ecommerce site on an updated version of its ecommerce platform and with smaller images. The site loads 43% faster, bounce rates have decreased 8% and conversion is up 30% Permalink Share on Twitter

After making improvements to multiple performance metrics (including LCP, CLS and Long Task time), Agrofy saw a 76% reduction in their abandonment rate and a significant boost in engagement. Permalink Share on Twitter