article thumbnail

Performance Game Changer: Browser Back/Forward Cache

Smashing Magazine

Performance Game Changer: Browser Back/Forward Cache. Performance Game Changer: Browser Back/Forward Cache. With that caveat out of the way, let’s get to the guts of the article: What is the Back/Forward Cache and why does it matter so much? Didn’t The HTTP Cache Do All That Anyway? Barry Pollard.

Cache 91
article thumbnail

Core Web Vitals Tools To Boost Your Web Performance Scores

Smashing Magazine

It also lists cached resources and identifies unused Javascript. WebPageTest Core Web Vitals Test. WebPageTest is, of course, a performance testing suite on its own. Additionally, it examines the number of third-party requests and resources a page makes. It also identifies unused images and layout shifts in a graph.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

A Guide To Image Optimization On Jamstack Sites

Smashing Magazine

Webpage performance test report for the Smashing Magazine website. The Relation Between Images And Web Performance. Cache Your Images. A website’s performance can suffer if frequently accessed images are not cached, as many requests will be made to images that have already been loaded in the user’s system.

Media 106
article thumbnail

Three Front-End Auditing Tools I Discovered Recently

Smashing Magazine

Are all the caching headers set correctly? The number of included performance tests and checks is outstanding! Yellow Lab Tools runs a number of audits, from CSS to JavaScript to performance and provides a detailed overview of issues and how to fix them. Three Front-End Auditing Tools I Discovered Recently. Stefan Judis.

Cache 106
article thumbnail

Answering Common Questions About Interpreting Page Speed Reports

Smashing Magazine

Barry Pollard, a web performance developer advocate for Chrome, wrote an excellent primer on the CrUX Report for Smashing Magazine. You can see how you might wind up with different results in performance tests simply by the type of real-user monitoring (RUM) that is in use.

Speed 97
article thumbnail

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]

Smashing Magazine

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? An application shell is the minimal HTML, CSS, and JavaScript powering a user interface.

article thumbnail

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]

Smashing Magazine

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? An application shell is the minimal HTML, CSS, and JavaScript powering a user interface.