CategoryCore Web Vitals

December 7, 2023 — Starting in March 2024, Interaction to Next Paint will formally replace First Input Delay as a Core Web Vital metric. Learn how the two metrics differ, why we needed a new way to measure interaction responsiveness, and how you can start optimizing the performance of your site now for a seamless transition to the latest Core Web Vital metric. Read more…

August 3, 2023 — Liran Cohen and the team at Bookaway, a travel booking service, dramatically improved their site’s performance by auditing Core Web Vitals. In this article, Liran shares his team’s process for auditing and monitoring Web Vitals and the effort it took to dramatically improve Bookaway’s performance — and the benefits that came with it. Read more…

May 9, 2022 — At the end of 2021, the Chrome team shipped some functionality that has the ability to make or break sites meeting the Core Web Vitals. So, let’s learn a little bit more about the Back/Forward Cache (aka bfcache), and what you can do to test if your website is compatible with it. Read more…

March 7, 2022 — Using signals to deliver less, or different, content is a form of progressive enhancement (or graceful degradation depending on how you look at it), whereby extraneous content is only loaded when necessary, but the core functionality of the website still works. In this article, we’ll look at some of the signals that can be used for this. Read more…

February 24, 2022 — Web Vitals are the new gold standard in performance due to their direct correlation with the user’s experience. In this article, you’ll learn what monitoring can do and how RayGun can help you sustain performance maintenance while scaling your app. Read more…

December 20, 2021 — How to improve Core Web Vitals, a Smashing Magazine case study on how we detected and fixed the bottlenecks, and how we ended up with green scores, all the way. Read more…

June 2, 2021 — Google’s Core Web Vitals initiative has taken the SEO and Web Performance worlds by storm and many sites are busy optimizing their Page Experience to maximize the ranking factor. The Cumulative Layout Shift metric is causing trouble to a lot of sites, so let’s have a look at ways of addressing any issues for that metric. Read more…

May 25, 2021 — Web fonts are often terrible for web performance and none of the font loading strategies are particularly effective to address that. Upcoming font options may finally deliver on the promise of making it easier to align fallback fonts to the final fonts. Read more…

May 17, 2021 — Google’s “Page Experience Update” will start rolling out in June. At first, sites that meet Core Web Vitals thresholds will have a minor ranking advantage in mobile search for all browsers. Search is important to any business, and this is the story of how Beau Hartshorne and his team at Instant Domain Search improved their Core Web Vitals scores. Read more…

April 29, 2021 — Images have also been a key part of the web. They communicate ideas instantly, but they are also a lot heavier than text to load. This means that it’s essential to get loading and displaying them right, if you want to give your users a fantastic first impression. An excerpt from Addy’s new book (also, check a free PDF preview). Read more…