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If you haven't heard of Google pagespeed checker yet, it's a tool for testing how well a website works. You can type in any URL to have it looked at. Google then gives your site an overall score out of 100 based on several best practices for performance optimization. As of 2018, Google's open source, automated tool Lighthouse is used to figure out PageSpeed Insights scores. Lighthouse is used to improve the overall quality of web pages. This platform can test a wide range of things, such as performance, accessibility, progressive web apps, and more. You can do a performance audit similar to what Google PageSpeed Insights does, and you'll also get scores for accessibility, best practices, and SEO. 
Google pays attention to web pages that load slowly and those that load quickly and give users a better experience. Google sends more people to your website if the user experience is good. Google PageSpeed Insights can help with the first two questions from the perspectives of both users and keywords (PSI). The Google PageSpeed Insights, Website Speed Test, and Webpage Test, are the greatest tools available for determining a site's speed. PageSpeed Insights is unique among similar tools since it provides actionable insights for optimizing website performance. Using recently published best practices for web performance, Google's page speed test makes recommendations. The Google sitespeed test makes use of cutting-edge tools like data visualization, tagging, filtering, and snapshots to determine how quickly a website loads. It aids in enhancing a website's performance, making it easier to read, and increasing its search engine rankings.
The results of Googles pagespeed test are meant solely as a diagnostic tool to help you improve your site's performance and are not considered a ranking signal. As such, it is intended to play a pivotal role in gauging success. Core Web Vitals is merely a resource for locating problems with ratings derived from a subset of Google's ranking algorithms. When using the PSI, you can see if your pages are up to Google's performance and speed guidelines. The greater the score, the higher the keyword rankings. If you don't know why a page is loading slowly, no amount of search engine optimization will speed things up.
On the PageSpeed Insights website, enter the URL you want to test for the Google page speed test. Press the "Analyze" button and let PSI do the analysis. The tool does two things while the report is being made: It collects "field data" in the Chrome User Experience report (CrUX). The Lighthouse API is then used to measure how well the page works. The average rate of loading is calculated in a lab setting using simulated devices and mobile networks. This is called "Lab Data" because it comes from a lab. After looking at the report, get rid of things that slow down the speed and bring the rankings down.
The detailed PSI report has field data, lab data, diagnostics, opportunities, and information about the audits that have been passed. The color coding in the report makes it easier to find the parts of the website that are working well, the parts that need to be fixed, and the parts that aren't working at all. "Red" means not good enough. "Green" means performance is good or acceptable. The yellow shows how much more work needs to be done.
The report for the previous 28 days is available in the insights field data. Because it is constructed from information in the CrUX report, it is always presented as a bar chart with a distribution. It has been assembled, and users will find that no two pages perform identically. Each of the four field data indicators provides a unique perspective on load and velocity over time. All of them, besides CLS, are measured in units of either milliseconds or seconds. The "First Contentful Paint" (FCP) is the time it takes for the first visible piece of content, such as text or an image, to appear on the screen. If you want to know how long it takes for the most content-heavy image or piece of text to load, you need to know the largest content-full paint time. The FID measures how long it takes the browser to react to the user's first input. The amount of viewport movement is quantified by a metric called Cumulative Layout Shift (CLS). If your CLS score is below 0.1, you're doing great; anything beyond 0.25 is not good. Lighthouse API metrics like FCP, CLS, LCP, time to interactive, speed index, and total blocking time are included. The speed at which the image or text appears on the website as it loads is represented by the speed index. The sum of blocking time from the start of full interactivity until the start of FCP. When the page is completely ready for usage, interaction can begin.
A website can be optimized to load more quickly by following the advice provided in the "Opportunities" section of the Google pagespeed test result. To learn more about what to do after filing an opportunity report, select "Customize Content Management System" from the drop-down menu. The diagnostics tab does the same for figuring out how to enhance the app's efficiency. You can see the root of the problem with each method by selecting it from the pull-down menu. Check the page's passed audit report to learn its purpose and whether or not it's meeting standards. If you get a big list, take it as a sign of good luck. Your website has been thoroughly tested and found to function as intended.
Performance has an effect on your site's User Experience (UX) and also has an effect on SEO. Since the world's biggest and most popular search engine runs PageSpeed Insights, it makes sense that your score might affect where you rank on the Search Engine Results Page (SERP) (at least on Google itself). Google sitespeed decides where a site ranks. Speed is a factor in how a site is ranked, plain and simple. Your score on the performance test can tell you a lot about where you stand on this front. Google doesn't just look at the number in the circle at the top of your PageSpeed results, though. You won't be at the top of the SERPs even if you get a score of 100/100. Since more than 73% of mobile internet users say they've been to a site that took too long to load, the information in the Google PageSpeed Insights Mobile tab is very useful. Using these tips to reduce the time it takes for smartphones and other devices to load should give you an edge over your competitors.
When it comes to ranking high in Google's search results, page speed is a major consideration. Your website won't rank in the top 10 organic results if it isn't as good as the ones already there. Therefore, optimizing your page load time is crucial to the success of your business and the functionality of your website. More than eleven million Google SERPs were analysed in a recent study by Backlinko. They were interested in discovering which features were shared by all of the top 10 web pages. Surprisingly, they did not discover any correlation between page load speed and search engine ranking. However, the average load time for a site that appears on page one is only 1.65 seconds. But Google claims website load times are important. There was even an entire revision dedicated to fixing it. They discovered that people are much more likely to abandon your site if pages take longer to load. If a page takes 10 seconds to load, for instance, that's more than 120% more likely to result in the visitor clicking away before the page is fully loaded. However, a recent study analysed more than 5 million websites indicated that the typical loading time for a website. On a desktop computer, it is 10.3 seconds, while the loading time for a website on a mobile device is 27.3 seconds. So, almost all of us fail when it comes to having a website that loads quickly. BigCommerce did its own research and found that online stores usually have a 2% conversion rate.
A slow and low-ranked website won't show up on the first page of Google. It will retain customers on the website as well. This means that you will lose potential customers just because of a slow website. The Google pagespeed checker checks your website and points out the issues so you can fix them.
