37 documents tagged with “Core Web Vitals”

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If you have ever looked into web performance for SEO, you have run into Core Web Vitals. These are three metrics Google uses to judge whether your pages load quickly and respond smoothly. They shape both your search rankings and the cost of your PPC ads.

At PageSpeed.ONE, we have put Core Web Vitals at the centre of the dashboard and monitoring. Below you will find our articles on the topic, from deep dives into individual metrics (LCP, INP, CLS) to practical optimisation tips and measurement guides.

“Domains” Report

The “Domains” report displays the speed status of measured domains. It is the most crucial report when it comes to the speed development of the entire website.

BFcache: Speed Up Users' Navigation in Browsing History

Back/forward cache (or BFcache) is a browser optimization that allows instant back and forward navigation. It significantly enhances the browsing experience, particularly for users with slower networks or devices.

Cloudflare: Your Secret Weapon for a Faster and More Stable Website (Checklist Article)

Cloudflare acts as a middleman between your website and its visitors. Unlike a standard CDN (Content Delivery Network), it is not just a system for distributing images and files.

CLS: How to Maintain Element Heights (Images, JS Components, iframes…)

Discover why and how to ensure dimensions for elements like <img>, <iframe>, or JavaScript components that are asynchronously inserted into a page, using HTML or CSS.

Common Mistakes That Ruin Web Vitals

Recently, I had the opportunity to speak at the first-ever Czech frontend conference. Given that web speed is a topic I deal with daily, the theme of the talk was clear.

Cookie Banners and Web Speed

Got your web speed fine-tuned? Excellent, but perhaps you haven't deployed a cookie banner yet.

Core Web Vitals: Everything About Speed Metrics

Core Web Vitals (CWV) is Google's foundational set of metrics designed to reflect website loading speed and user experience. Let’s discover the metrics it includes, why they matter, and how to measure them.

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 on the screen.

Get Your HEAD Straight

You love WebExpo and you love performance. And we also love Harry Roberts because his talks and articles always go in-depth.

Google Search Console and Core Web Vitals: A Practical Guide

How to decipher web speed data and Core Web Vitals in Google Search Console. A practical guide for developers, marketers, and website owners: where to find reports, how to interpret them correctly, and what GSC doesn't cover.

How to Identify the LCP Element

To optimize LCP, it is crucial to identify the "LCP element", which is the largest element in the viewport.

How to Speed Up Your Shoptet E-shop: Specific Advice and Common Mistakes

Shoptet is fast, unless you slow it down. We show you how to optimize speed: what harms, what helps, and how to keep an eye on your e-shop.

Image Optimization: When Milliseconds Make or Break Between Kilobytes and Pixels

Even mere mortals can tame their images and make them work for you, not against you. Just use WebP or AVIF, compress well, and remember lazy loading.

INP Metric: 7 Tips for Optimisation

INP is not the easiest metric to optimise, so we have selected the most common issues and solutions from our experience.

Interaction to Next Paint (INP) Metric: Tackling Slow Interactions

Google introduces the new Interaction to Next Paint (INP) metric, set to replace First Input Delay (FID) in the Core Web Vitals trio by March 2024.

Introducing PageSpeed.ONE Help

The mission of PageSpeed.ONE is to enhance awareness of the benefits of fast websites through lectures, meetups, and articles.

Largest Contentful Paint (LCP) Metric: A Guide to Faster Page Loads

The world of the Largest Contentful Paint (LCP) metric is akin to the adrenaline-fuelled realm of motor racing – it's a relentless battle against time.

Lazy Loading Images: A Comprehensive Guide to Improving LCP

Lazy loading images and other elements is recommended as one of the fundamental yet highly effective methods for optimizing page load speed. We suggest conservatively deferring the loading of all images outside the first viewport. Be cautious when applying lazy loading to images that are LCP elements, as this can actually worsen speed.

Monitoring Web Speed: Why It's Important and How to Use It Effectively

Occasional speed testing isn't enough. Without continuous speed monitoring, hidden issues remain undiscovered, historical data for analysis is absent, and trends that could cost your website conversions and visitors are easily overlooked.

Monitoring Website Speed with PageSpeed.ONE (Tutorial)

Discover how to effectively monitor your website's speed using our speed tester. It's easy and the tester is available for free.

Navigation Types

Understanding different navigation types is crucial, as some are markedly faster than others. From a web speed optimization perspective, the goal is to steer as many users as possible towards faster navigation types.

Optimising CLS Metrics

Let’s explore how to avoid CLS issues and how to fix them if they occur.

Optimising the LCP Metric

Let us explore the challenges you might face with the Largest Contentful Paint (LCP) metric and how to optimise it effectively.

Optimising Vue.js and Nuxt.js: Tips and Tricks

Enhance your Vue.js website's speed with SSR, lazy loading, and other tips. Better performance means happier users and increased conversions.

Optimising WordPress Speed: 6+1 Tips to Please Google and Your Visitors

Website speed is not just a cosmetic detail – it is a crucial factor influencing the success of your online business. A sluggish WordPress site is often due to poor plugin choices, bloated themes, or a lack of knowledge about speed optimisation.

PageSpeed.ONE Score (SPS): How We Determine User Web Speed

Introducing a single figure as a "proxy metric" for Core Web Vitals on both mobile and desktop. We call it the "PageSpeed.ONE Score" (SPS).

PageSpeed.ONE Study: The 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 the "Summary", provides a quick overview of the current state of web 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: Pathway to Instant Page Loading

The Speculation Rules API offers a means to prefetch or even pre-render another page, allowing for near-instantaneous loading of the page a user navigates to, enhancing the overall web experience.

Speed Optimisation: How to Help on the Backend?

The backend plays a crucial role in web speed optimisation, as proper code and server optimisation can eliminate delays often caused by 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 eternal question is: Is it faster to have many small CSS files divided by components, or just 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.

The Cumulative Layout Shift (CLS) Metric: How to Identify and Eliminate Unwanted Page Shifts

Fed up with ads that push the text you're reading out of view? Annoyed when content jumps just as you’re about to click, making you click elsewhere?

Time To First Byte (TTFB)

TTFB indicates the speed of the server (or infrastructure), the server-side application, and also the network speed between the server and the user's browser.

Web Compression with Gzip and Brotli: Are You Doing It Right?

At PageSpeed.ONE, we often delve into very specific issues. Even so, I am still amazed at the level of detail we explore. The same goes for data compression, which we will examine in this article.

Why Optimise Web Speed?

Psychology, conversions, and Google. Why should you care about a fast website?