![]() ![]() How to Measure Page Speed PageSpeed Insights This is the maximum time it should take for the majority of content to load for users. While there’s no concrete answer to this question, the statistics mentioned earlier, and thresholds for metrics such as LCP to be considered ‘good’ by Google, indicate that page load times should be under 2.5s. This is used as a gauge of the stability of a webpage.įor more details on Core Web Vitals please see our guide here. This is used to gauge the interactivity of the webpage.Ĭumulative Layout Shift (CLS) – the Cumulative Layout Shift measures how much content is moving around while a page is loading. ![]() This is used to gauge the speed of the webpageįirst Input Delay (FID) – the First Input Delay marks how long a webpage takes to react to a user in out (clicking a link, opening a dropdown etc…). Largest Contentful Paint (LCP) – the Largest Contentful Paint marks when the majority of content is displayed on a page. While not all web vitals are related directly to load times, they are closely connected and useful to understand. These are now used as part of their core ranking algorithm on desktop and mobile. Recently, Google announced a set of metrics used to measure user experience on-page, known as Core Web Vitals. Time to First Byte (TTFB) – The Time to First Byte indicates the time when a site’s server responds to a request.įirst Contentful Paint (FCP) – the First Contentful Paint marks the time when the first piece of content is displayed on a page. There is a plethora of metrics used to measure different aspects of page speed, but here are the most important ones: Tools like PageSpeed Insights will show which dataset the metrics are taken from: The most common type of field data is collected from the Chrome User Experience Report. This gives a much better indication of real-world results, but there is often a delay in collecting this data. This is useful when you require immediate data or want to test new features in development before pushing live.įield Data – Field data is collected from actual users loading and interacting with a page. Lab Data – Lab Data is measured by tools simulating a page load. Metrics used to measure site speed are generally measured in two separate ways, and it’s important to understand the difference. ![]() While they’ve confirmed this isn’t a large influence on organic rankings, it could be the deciding factor between two pages equal in other aspects (content & linking etc…). This can also reduce the site’s overall ‘Crawl Budget’, as more resource is needed per page.įrom Google’s perspective, they like to reward high-quality user experiences, and therefore site speed is used as a signal in their search ranking algorithm. ![]() If pages are slow to respond and take a long time to download, then it will take a longer time to crawl the entire site. Search Enginesįor Search Engines, page speed also affects how efficiently they can crawl a site. While there are plenty of caveats, it’s clear that having quick load times has a positive impact on user behaviour and goal completion. Similarly, they identified that as the number of elements (text, images, titles etc…) increased, the probability of a successful conversion decreased. 1s to 10s the probability of bounce increases 123%.1s to 5s the probability of bounce increases 90%.1s to 3s the probability of bounce increases 32%.Statistics from Google show that on mobile, as page load times increase, the probability of users bouncing also increases exponentially: Why is Page Speed Important for SEO? Usersįirst and foremost, load times can have a huge influence on how users interact with a page, particularly on bounce rates and site drop-off. There are a variety of factors that can influence load times, such as the server responsiveness, the total page size, and the number of resources required to download. Page speed is the average time it takes for a webpage to load. In this guide, we’ll explore why page speed is important, which metrics to prioritise, useful tools and more. So having a quick and responsive site is beneficial to both users and search engines alike. Page speed has long been an official Google ranking factor, and research by Google identified that 53% of site visits are abandoned if a mobile site takes longer than 3 seconds to load. ![]()
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