Page speed insights ​​reports page is the performance of your website on both mobile and desktop devices and suggests options to improve your page load. The page speed insights provides both laboratory and field data on the page. The Lab data is collected in a controlled environment to help troubleshoot performance issues. However, in the real world, the bottlenecks may not be visible. Field data can help you get a true, real-world user experience, but it has a more limited set of metrics.
When was page speed insight introduced?
In 2010 the Page Speed ​​Insights was introduced by Google with goal to analyze your website performance optimization interestingly, in the same year, Google also rolled out an algorithm update that made site speed a direct ranking factor
Then as of late 2018, page speed ​​insights is powered by Lighthouse which means it generates data based on Lighthouse API
In a nutshell, the simple goal of page speed ​​insights is to analyze the performance of your site's pages on mobile and desktop and then make recommendations (actionable), action) on how to improve them faster. In as much as this article focuses on page speed insight, there are other ways you can apply to improve your website performance
These suggestions or recommendations are the most valuable information provided by Google in this tool. They are more meaningful than load time points.
Real-user experience data
Page speed sights actual user experience data is based on the chrome user experience Report (CrUX) dataset. The page speed sights reports first contentful paint (FCP), first Input delay (FID), largest contentful paint (LCP), and cumulative layout shift (CLS) from live users over the last 28-day ingestion period. It also reports its experience on INP (Interaction to Next Paint) and TTFB (Time to First Byte) experimental metrics.
Now to display user experience data for a given page on your website, there must be enough data to be included in the CrUX data set. If the page was recently published or if the sample of real users is too small, the page may not have enough data to display.
When this happens, Page speed insights returns to its original level of detail covering the entire user experience on every page of the website. Sometimes the source may not have enough data. In this case, Page speed insights cannot display actual user interaction data.
How to use page speed insight

After pasting your website URL, click the “Analyze” button as shown in the image above, and within seconds, Google will provide you with a Page speed insights score, including a detailed analysis of the measurement of each web metric.
When Google passes your website's URL, it gives you a score out of 100.

This score is based on performance optimization best practices known to provide the best user experience.
As mentioned above, in addition to your page speed ​​score, you will receive guidance from Google on how to improve your page speed and performance. You may have suggestions such as:
- Remove unused CSS
- Shorten JavaScript execution time
- Voice-over acting
These speed metrics are calculated using an open source Google tool called Lighthouse. Lighthouse is designed to analyze and improve the overall quality of any web page. Lighthouse can also help you evaluate factors such as accessibility, progressive web apps, and various other performance metrics.
The Google Page speed insights tool lets you evaluate in detail what Lighthouse thinks about your web pages.
What is the need of website speed
We all know that everyone living under this earth wants easy things, which are less stressful and same when it comes to the web; the whole of your website has to be fast to make it enjoyable and if yours is not fast enough, then there is problem.
Google even considers Page speed ​​insights to influence other search engine ranking factors. A slow website struggles to appear on the first few pages of search results. Speed ​​is one of over 200 ranking factors that Google considers when analyzing your position on the search engine. This can be one of the most important factors in optimizing your website.
7 Page speed insights recommendations to improve website performance
1 Choose a light weight theme
To improve your site's speed score and performance, Google Page Speed insight ​​provides the following guidelines in the Features and Diagnostics section for users to follow. Choosing a WordPress theme is not an easy task. With so many free and premium WordPress themes available, it's easy to get lost about which one to choose for your site.
But if there is a rule of thumb when choosing a subject, first, you should focus on the simplicity and speed of your theme. Some themes provide many built-in features, but not all of them are available. So you don't need a multipurpose theme. You can choose a simple theme and add the plugins you feel are essential to your site.
Choosing a theme with many features leaves only unnecessary features that take up more space on your hosting and slow down your site.
2. Reduce the number of wordpress plugins
For this reason, try to limit the number of plugins you use on your blog. If you use WordPress, one of the best features is that you can download awesome plugins to enhance your site. Whatever your website's goals are, you can find plugins for this purpose.
However, some people use it too often and install too many plugins on their website. If you rely too much on plugins, you risk slowing down your website due to the coding and scripts in each plugin.
If you're looking to implement something on your website, don't jump right into plugins, but look for alternatives as first as possible. Additionally, some plugins perform almost the same function. To do this, make sure every plugin has a specific task. If not, please remove it from your dashboard.
3. Website data optimization
For instance when you edit any post or page on your site, WordPress saves previous versions so you can revert to them with just a few clicks. However, if you edit a post or page multiple times, those changes will accumulate in the database.
As a result, the database contains older versions of content that are not needed when using the hosting resource.
To keep your WordPress database compact, you should clean it up with as few changes as possible.
More and more publishers are harnessing the power of this type of content to engage with their audience because it's much easier to process information from infographics and images than from walls of text. Surname. However, the caveat to using visual his assets to support marketing is that they typically have large file sizes. Some infographics can be up to 3 MB in size due to length and detail
Having such a large number of files on your website can slow down your website and cause visitors to leave your website because it takes too long to load.
Therefore, before publishing your article, you should optimize your images here to minimize file size without compromising quality. This will allow you to display the image on the page you want and create it faster than normal
4. Install lazy load plugin
If your post or page contains top-down images, you should know that browsers often load all elements of the page before they are displayed to the user. As a result, pages with embedded images may take longer to load in the user's browser. Visitors may get tired of waiting for loading and bounce. To prevent this, a slow-loading plugin should be installed on her website. After installation, images and media files displayed on the user page are loaded
When the user scrolls down the page, the images displayed on the screen are loaded one at a time for him. This plugin makes loading websites easier as it doesn't load all the content at once.
5. Reduce javascript
This is one of the most popular suggestions provided by Google. This suggestion applies to JavaScript and CSS scripts that slow down your website. The user's browser must download all of these processes before the page is rendered, so too many processes can impact page load times. In fact, while customizing your WordPress site, you may add some JavaScript code before the tag tag or modify the CSS file to achieve a particular design look and feel.
These are normal steps that most website owners must follow, but both page elements can cause his website to slow down. Getting information from a third party and uploading it to your website requires an HTTP request. Therefore, loading a lot of JavaScript code or applying CSS changes to your website can slow down your website. Assuming you can't get rid of the JavaScript and CSS, you can download a plugin that can flatten both page elements.
Collapsing your site allows you to remove unnecessary characters and spaces from your JavaScript and CSS, such as:
• Blank
• Block delimiter.
• Comment;
• Other characters not required for page loading
Removing these characters will make page elements easier to load and your site will load faster.
6. Use content delivery network (CDN)
In as much as choosing the best web hosting for your website can handle your visitors' HTTP requests; it still puts a strain on your hosting server. What you want is to free up memory from loading multiple requests from different browsers who are trying to reach your website from different location.
A content delivery network (CDN) does just that fine for you. Offload the hosting server by sending requests to a network of servers operating in different locations.
The CDN will find the server closest to the user on your website to serve the files (scripts, CSS, images) easily and send the data to the user to make her web page load faster.
There are many CDNs on the market. However, if you must use a CDN, make sure it's compatible with the caching plugin you're currently using.
7. Choose a fast hosting service
It is important to consider the foundation your WordPress site is built on. A web hosting service is one of the many pillars underpinning a website. Before choosing a web host, you should consider the amount of traffic it will attract and the type of website you intend to build
The usual problem with choosing the wrong web host is poor server response time. This problem occurs when the website has enough visitors at the same time
Certain web hosting providers and plans can only accommodate a certain number of visitors within a certain period of time. If this number of visitors exceeds the set limit, the running web host will be affected. As a result, servers are overloaded to attend to many HTTP requests from hundreds and thousands of browsers around the world. To prevent this, you can reduce the load on your web host by simply applying the tips above to improve your website's performance. However, if you've followed all the tips above and your server is still more responsive than usual, it may be time to upgrade your hosting plan, even if you don't switch providers.
Final thought
A Google study found that 53% of users won't stay on a mobile website if it takes longer than 3 seconds to load. That's why it's important to build fast, responsive, and optimized websites.
This encourages visitors to stay on your site, view more pages, convert more, and potentially make more purchases. Improve and increase sales.
Thank you for reading I hope this article is helpful, please lets have your thought on the article on your best ways to optimize your page speed insight.. SHALOM