36 documents tagged with “Core Web Vitals”
Core Web Vitals are Google's essential set of metrics designed to reflect website loading speed and user experience.
“Domains” Report
The “Domains” report shows the speed status of the measured domains. It is the most critical report when it comes to the speed development of the entire site.
BFcache: Speed Up Users’ Browsing History Navigation
Back/forward cache (or BFcache) is a browser optimization that enables instant back and forward navigation. It significantly enhances the browsing experience, especially for users with slower networks or devices.
Cloudflare: Your Secret Weapon for a Faster and More Stable Web (Article with Checklist)
Cloudflare acts as an intermediary between your website and its visitors. Unlike a regular CDN (Content Delivery Network), it’s more than just a system for distributing images and files.
CLS Metric Optimization
Let’s explore together how to avoid CLS issues and how you can fix them when they occur.
CLS: How to Maintain Element Heights (Images, JS Components, Iframes…)
Learn why and how to ensure dimensions for elements like <img>, <iframe>, or JavaScript components that are asynchronously inserted into the page, at the HTML or CSS level.
Common Mistakes Ruining Web Vitals
Recently, I had the opportunity to speak at the first-ever Czech frontend conference. Since web speed is a topic I deal with daily, the subject of the talk was clear.
Cookie Banners and Web Speed
Got your website speed fine-tuned? Great, but perhaps you haven’t deployed a cookie banner yet.
Core Web Vitals
Core Web Vitals (CWV) is a fundamental set of metrics from Google designed to capture website loading speed and user experience. Let’s explore what metrics it includes, why they matter, and how to measure them.
Cumulative Layout Shift (CLS) Metric: How to Identify and Eliminate Unwanted Page Shifts
Annoyed when an ad pushes away the text you’re reading? Frustrated when content jumps just as you’re about to click, causing a misclick?
First Contentful Paint (FCP)
First Contentful Paint (FCP) is a metric that measures the time from when a page starts loading to when any part of the page’s content is rendered.
Get Your HEAD Straight
You love WebExpo and you love performance. Plus, we love Harry Roberts because his lectures and articles always dive deep.
How to Find the LCP Element?
To optimize LCP, it is crucial to identify the "LCP element," which is the largest element within the visible part of the browser.
How to Speed Up Your Shoptet E-shop: Practical Tips and Common Mistakes
Shoptet is fast unless you slow it down. Discover how to optimize speed: what harms, what helps, and how to keep your e-shop in check.
Image Optimization: When Milliseconds Decide Between Kilobytes and Pixels
Even you, mere mortals, can tame your images and make them work for you, not against you. Just use WebP or AVIF, compress well, and don’t forget about lazy loading.
INP Metric: 7 Tips for Optimization
INP isn’t the easiest metric to optimize, so we’ve selected the most common issues and solutions from our experience.
Interaction to Next Paint (INP): Tackling Slow Interactions
Google introduces the new Interaction to Next Paint (INP) metric, set to replace the First Input Delay (FID) metric among the top three Core Web Vitals metrics in March 2024.
Introducing PageSpeed.ONE Help
The mission of PageSpeed.ONE is to raise awareness about the benefits of fast websites through lectures, meetups, and articles.
Largest Contentful Paint (LCP) Metric: A Guide to Faster Web Loading
The world of the Largest Contentful Paint (LCP) metric is akin to the thrill of a high-speed racetrack—it’s an endless race against time.
Lazy Loading Images: A Detailed Guide to Improving LCP
We recommend lazy loading images and other elements as one of the fundamental and highly effective methods for optimizing page load speed. Conservatively defer loading all images outside the first viewport. Be cautious when applying lazy loading to images that are the LCP element, as this can actually worsen speed.
Monitoring Website Speed with PageSpeed.ONE (Tutorial)
Learn how to efficiently monitor the speed of your websites using our speed tester. It’s easy, and the tester is available for free.
Navigation Types
Understanding the different types of navigation is crucial because some are significantly faster than others. From a web speed optimization perspective, the goal is to direct as many users as possible to the faster navigation types.
Optimizing the LCP Metric
Join us as we explore common issues with the Largest Contentful Paint (LCP) metric and how to optimize it most effectively.
Optimizing WordPress Speed: 6+1 Tips to Please Google and Visitors
Website speed is not just a cosmetic detail – it's a crucial factor that affects the success of your online business. A slow WordPress site is often due to poor plugin choices, bloated themes, or a lack of knowledge about web speed optimization.
PageSpeed.ONE Score (SPS): How Do We Calculate User Web Speed?
Introducing a single number, a "proxy metric" for Core Web Vitals on both mobile and desktop. We call it the "PageSpeed.ONE Score" (SPS).
PageSpeed.ONE Study: Impact of Chat Widgets on Website Speed
Live chat is used by twenty percent of Czech e-shop operators. But how do these components affect website speed?
Report "Summary"
The introductory page, known as "Summary", serves as a quick display of the current state of your website’s speed across various contexts and types of measurements
Report from SmashingConf Freiburg 2023 🥨
At the start of the new school year, I attended a conference organized by Smashing Magazine in Freiburg.
Speculation Rules API: The Path to Instant Page Loading
The Speculation Rules API offers us the ability to preload or even pre-render another page. This can lead to nearly instantaneous page loading for users transitioning between pages, enhancing their overall web experience.
Speed Optimization: How Can the Backend Help?
The backend plays a crucial role in website speed optimization, as proper code and server-side optimization can eliminate delays often caused during request processing and content delivery.
Test: Is It Better to Have Many Small CSS Files or One Large One?
At PageSpeed.ONE, we often find ourselves in "evergreen" discussions that divide the team. One perennial question is: Is it faster to have many small CSS files divided by components, or one large file?
Testing Web Vitals in the Browser (A Key Skill for Developers)
Core Web Vitals are metrics we use to evaluate website performance in areas such as loading speed, interactivity, and layout stability. These metrics are increasingly important for ensuring a good user experience, and Google uses them as one of the criteria for search result rankings.
Time To First Byte (TTFB)
TTFB reflects the speed of the server (or infrastructure), the server-side application, and also the network speed between the server and the user’s browser.
Vue.js and Nuxt.js Optimization: Tips and Tricks
Enhance your Vue.js website speed with SSR, lazy loading, and other tips. Better performance means happier users and improved conversions.
Web Compression with Gzip and Brotli: Are You Doing It Right?
At PageSpeed.ONE, we often delve into very specific issues. Yet, I’m still amazed at the depths we reach. It was the same with data compression, which we’ll explore in this article.
Web Speed Monitoring: Why It’s Crucial and How to Use It Effectively
Occasional speed checks aren’t enough. Without continuous speed monitoring, hidden issues remain unseen, you lack historical data for analysis, and trends that can cost your site conversions and visitors are easily overlooked.
Why Optimize Web Speed?
Psychology, conversions, and Google. Why should you also have a fast website?