JavaScript bundle size was reduced by 200kB by switching from React and other client-side libraries to vanilla JavaScript.Loading and Time-to-Interactive decreased by 50% (for the logged-out desktop homepage at ).Other Magento 2 speed optimization improvements include.

Using prefetching techniques, the development team was able to provide a better user experience for both mobile and desktop users. Just last year, Netflix decided to overhaul their site by refining the JavaScript used for вЂ™s sign-up process. Netflix wrangles its JavaScript for faster navigation and response times reported a lead technical architect at the BBC, Matthew Clark.ДЄpparently, youвЂ™ll need to compromise something during the traffic spikes but speed shouldnвЂ™t be one of those things. These will be low-importance things вЂ“ such as a promo box at the bottom of a page вЂ“ that are expensive on the server and few users will miss. This is why, if the BBC site is slowing down due to load, certain features will automatically switch off to bring the speed up again. The BBC found they were losing many users when their website was overloaded, especially during high-traffic hours:ДЄt the BBC weвЂ™ve noticed that, for every additional second a page takes to load, 10 percent of users leave. BBC retains more users with every second shaved off load time A faster website delivered a better user experience and improved KPIs. Source: Eggplant.ДЄs the average loading time improved from 4.8s to 3.95s, the brand noticed how visitor behavior changed. COOKвЂ™s Performance Impact Prediction before and after Magento website speed optimization. The company achieved such impressive results after reducing average page load time by 850 milliseconds. COOK increases conversions and engagementД¬OOK increased conversions by 7%, decreased bounce rates by 7%, and boosted a pages-per-session rate by 10%. Because the traffic and conversion rate increases are multiplicative, this was a huge win for us in terms of web and app signups, reported Pinterest growth engineers Sam Meder, Vadim Antonov, and Jeff Chang. The result of rebuilding our pages for performance led to a 40 percent decrease in Pinner wait time, a 15 percent increase in SEO traffic and a 15 percent increase in conversion rate to signup. Pinterest increased their search engine traffic and sign-ups by 15% after rebuilding their pages for performance. Pinterest shows improvements across the board

at 5.7+ seconds, conversion rate was 0.6%.

at 4.2 seconds, conversion rate was less than 1%.

at 3.3 seconds, conversion rate was 1.5%.

Here are five case studies (from companies youвЂ™ve heard of) that will show the importance of fast-loading sites home: AkamaiвЂ™s impressive conversion rate studyДЄ case study by Akamai, which focused on monitoring mobile performance, found that вЂњPages that loaded in 2.4 seconds on average enjoyed the peak mobile conversion rate (1.9%) during this 30-day span. Slow load times also slow the Google crawler, which hurts crawl efficiency and leads to fewer pages being indexed. Performance lags lead to site abandonment, high bounce rates, low conversion rates, and poor customer retention. They may seem insignificant, but small delays can snowball, causing major problems for you and your customers - including frustration, lost revenue, and an awful brand image. The best course of action when your website is slow is to identify the bottlenecks and solve any existing technical issues. Users donвЂ™t like slow sites, so your goal should always be to look for ways to speed up Magento 2 across a variety of conditions and devices. As a Magento store owner, youвЂ™ve likely encountered complaints about pages not loading or taking too long to load. Websites today have so many features that performance is always a concern.

Speediness store