I am running an angular application which is showing very low score in google page insights (13 in mobile and 43 in desktop). I am running this on Nginx server and all the compression and caching i...

I have a Wordpress site that my client wants to validate perfectly (using W3C validator). One of the issues is Google's pagespeed, which seems to be enabled by default by hosting provider. I try t...

I have a website that uses Bootstrap. Technically, I'm using Bootstrap 4 at the moment. I want to leverage Accelerated Mobile Pages (AMP) in the publicly-facing parts of my page. However, I have se...

I built a small site that uses gatsby for static content, but then for some content that needs to be rendered on the client-side, I'm using client-only routes in gatsby. I am not sure I fully unde...

With google chrome chrome dev, I am running a lighthouse Analysis for mobile. Lighthouse shows a 7.0 seconds delay for Largest Contentful Paint (LCP): I decide to dive into this and click on: &quo...

I have been working on my websites page speed improvement. I planned to use AVIF format images. This image format is supported only in the latest Chrome browser versions. In order to provide a fall...

I recently noticed that Google updated the PageSpeed Insight report page. There is an "Origin Summary". What does it exactly mean? Why it's slightly different than the field data?

One of my websites has a really bad LCP, 4.6. I realized that without active lazyload my images, the LCP is 2.0 . The TCB increased by using lazyload, too. So Im thinking it must be my bad JS-Skill...

I posted a similar question here Serving Compressed Assets in Heroku with Rack-Zippy but decided to give up on that service, since I couldn't get it to work. I ran PageSpeed Insights on my websi...

I'm running PageSpeed Insights on my website and one big error that I get sometimes is Reduce initial server response time Keep the server response time for the main document short because all oth...

I don't know why my LCP would be a p tag, and I have no idea what I would do to reduce the size of it. Sometimes it gets up to 2.6s and gives a yellow rating(instead of green). This is the p tag. ...

For those stumbling on this question wondering how to improve their lighthouse score in general, I posted an answer on this topic on another question with lots of general tips. I'm running PageSpe...

I'm getting the diagnostic on PageSpeed Insights Ensure text remains visible during webfont load Leverage the font-display CSS feature to ensure text is user-visible while webfonts are loading. Lea...

I ran PageSpeed Insights and it told me this Preconnect to required origins Consider adding `preconnect` or `dns-prefetch` resource hints to establish early connections to important third-party ori...

Does the Cumulative Layout Shift metric stop measuring on user-interaction? Google's guidance on Cumulative Layout Shift says: Layout shifts that occur in response to user interactions (clicking a...

Google Page Speed report me here an error that I can't understand. Remove unused code I use all the javascript that Google Page Speed says, in fact vendor.js is the main script of the project. Com...

I'm on a quest to reach 100/100 on PageSpeed and i'm almost there. I'm trying to find a good solution to cache Google Analytics. Here is the message I get: Leverage browser caching Setting an ex...

PageSpeed Insights suggests me to: "Eliminate external render-blocking Javascript and CSS in above-the-fold content. Your page has 1 blocking CSS resources. This causes a delay in rendering you...

Seems like my page speed score is heavily impacted by this issue: Reduce the impact of third-party code Third-party code blocked the main thread for [number] ms This number changes every time...

I try to build an Angular App with the best performance possible. This App is very simple: One Header (with two links), one Footer, the homepage and the about page. The app is available here I use...

Is there any way to export PageSpeed (the Google Chrome extension) results into a file? I'm looking for a way to export the results from web-site testing using PageSpeed tab in the browser console....

Instead of directly linking to the Font Awesome CSS, I am using the js from Font Awesome CDN to allow async loading of the icons on the homepage but Google's Pagespeed Insights still marks it as a ...

I've been using Google PageSpeed insights to try and improve my site's performance, and so far it's proven extremely successful. Things like deferring scripts worked beautifully, since I already ha...

Google offers a number of polyfill libraries for measuring and tracking First Input Delay(FID) and Time to Interactive (TTI) on analytics platforms. However this metric does not come standard with ...

I´m enabling gzip compression to increase the speed in Google PageSpeed Insights: If compressed mantaspersonalizadas.com/fonts/Cocktail-Shaker.svg, would save 144.1 KB (65% reduction). If compress...