514 questions
1
vote
1
answer
175
views
Picture's srcset and sizes seem to be fine, but PageSpeed loads a wrong image
Here is the code:
<picture>
<source srcset="https://www.shop-naturpur.de/media/image/opc/xs/yogi-tea-aktion2.webp 182w,
https://www.shop-naturpur.de/media/image/opc/...
1
vote
1
answer
327
views
LCP is 2.6s even after optimizing dynamic image (22KB size)
I'm trying to improve the Largest Contentful Paint (LCP) on one of my pages. The main LCP element is an image that is loaded dynamically via PHP.
I have already compressed the image and the final size ...
0
votes
2
answers
201
views
What are impacts of firing scripts only after user action?
I'm currently on loading time optimization of a site. On my research of sites using the same consent solution, I found a site, which loads most scripts, including GTM/GA, only after any user action. ...
0
votes
0
answers
93
views
Page Speed Insights ReCaptchaV3 integration
Are there any guides illustrating how to integrate Page Speed Isights with reCaptch v3?
First question, should my API validate the captcha token before calling PSI?
Second question, what should my ...
-1
votes
1
answer
175
views
Issue with Best practice, Wordpress and Page Insights
When I scan my Wordpress websites with the PageSpeed Insights I get issue on the check of Best practice.
I'm unable to fix this issue.
I tried to comment the two lines in wp-config.php
/ define('...
1
vote
1
answer
1k
views
How do you improve Interaction to Next Paint (INP) for mobile button click?
I have a static site and my INP for mobile is in the 200-300 range, just insde the "Needs improvement" bucket. I've tried debugging with web-vitals.js to figure out where the latency is ...
0
votes
1
answer
2k
views
How to Fix H1 tag Largest Contentful Paint (LCP) Issue in Angular App as Reported by Lighthouse?
I am working on an Angular application, and Lighthouse is reporting a very high Largest Contentful Paint (LCP) time for my app. Here are the details:
LCP Element:
<h1 class="maintitle_withicon&...
0
votes
0
answers
239
views
Issues were logged in the Issues panel in Chrome Devtools
Running a Google Pagespeed Insights test on my website it lists the following issue under Best Practices:
Issues were logged in the Issues panel in Chrome Devtools
The problem seems to be some 3. ...
0
votes
1
answer
297
views
Web vitals onINP reporting elements that do not have any click functionality or handlers attached
In order to improve INP of my application, I integrated web-vitals@3/dist/web-vitals.attribution.iife.js to get field data and work on actual interactions causing poor INP score. However in my data I ...
1
vote
0
answers
127
views
LCP Issue in Django Project - Render Delay Caused by Backend-Generated Text Element
I'm currently working on a website built with Django and I'm having trouble with the Largest Contentful Paint (LCP). According to Google PageSpeed Insights, the LCP time is 5,070ms with a significant ...
0
votes
1
answer
356
views
Why does PageSpeed Insights report a large "Other" in Minimize main-thread work?
Running a report on https://www.digitalocean.com via https://pagespeed.web.dev, I get back a result for desktop with a multiple-second-long Total Blocking Time and a recommendation to Minimize main-...
1
vote
0
answers
829
views
Why is the Mobile Render Delay so high for the LCP (Largest contentful paint)
With Lighthouse / Google Pagespeed I get a really high "Render delay" when testing for mobile. For desktop everything is all good.
Tested this in a clean browser with lighthouse. Get the ...
0
votes
1
answer
809
views
Why is my Load Delay really high for my LCP in mobile?
I am tweaking my site using PSI and am having an LCP issue.
https://pagespeed.web.dev/analysis/https-www-ocoopa-com/zr0gxma1u4?form_factor=mobile
I've tried adding preload, resizing images, nothing ...
0
votes
1
answer
670
views
Google PageSpeed Throws a Largest Contentful Paint Error but Search Console Says It's Fine?
The mobile version of my escape room's web site, https://www.escapesacramento.com, is showing on Google's Search Console --> Core Web Vitals as "Good URL"s overall, with the home page ...
0
votes
1
answer
114
views
Difference between PageSpeed Insights and Web Vitals browser plug-in
I measure the LCP indicator of the website page https://anc.ua/item/estezifin-krem-1--tuba-15-g-1045278
PageSpeed Insights:
LCP 4+
Web Vitals browser plug-in:
LCP 2 or less
All measurements show ...
0
votes
1
answer
368
views
Pagespeed: problem with "initial-scale" - Does not have a <meta name="viewport"> tag with width or initial-scale
I am working on a site that has a meta viewport tag with an initial-scale value of 0.8. The full tag is here:
<meta name="viewport" content="width=device-width,initial-scale=0.8,...
0
votes
1
answer
469
views
Google Pagespeed Insights not detailing performance issues
I tested a website today 4/10/24 and Google Pagespeed Insights is not longer detailing all the performance issues on the site.
There is no Performance section on any url I tested. The first detail ...
0
votes
1
answer
352
views
Improving the LCP for Speed Optimization of my website
I have been diving into getting my page speed scores up to snuff, and I have run into a snag when it comes to how Google is measuring my LCP metric. No matter what I seem to do, this metric is always ...
1
vote
1
answer
142
views
Search Console and PageSpeed Insights shows 0.2 CLS on mobile but when running Lighthouse it shows 0, how to identify the issue?
I noticed that Search Console shows and average CLS of almost 0.2 for mobile and the same thing is shown in PageSpeed Insights. When I try to identify the issue running Lighthouse, it shows however 0 ...
-3
votes
1
answer
346
views
How to disable link rel="preload" on responsive?
I work with Link rel="preload" for slideshow images to make my website faster, at least in a browser. I created a rule for not showing the slideshow on a phone ( display:none; ). As the ...
-1
votes
1
answer
724
views
Page speed insight shows FID & INP not applicable in desktop & mobile
While checking my own website https://ensearchopedia.com on page speed insights, the below web vitals showing Not applicable for my website.
First Input Delay (FID) Interaction to Next Paint (INP)
The ...
0
votes
0
answers
160
views
React.lazy doesn't improve lighthouse or PageSpeed Insights score. Is it a problem actually?
I introduce lazy, dynamic, suspense in React, it works, the concerned elements are loaded at the end.
But my problem is that it doesn't improve at all any score coming from lighthouse or PageSpeed ...
0
votes
1
answer
527
views
If the Core Web Vitals assessment has passed and is all green, do I need to worry about the next section, "Diagnose Performance Issues"?
The reason I ask this is that from what I have read in the documentation, the tool should be checking for actual user problems in Core web vitals assessment and if there are no issues there, then ...
0
votes
1
answer
9k
views
how can i fix Largest contentful paint (lcp) issue for mobile
<div className={styles.imgContainer}>
<Image
style={{ objectFit: "cover" }}
src="https://res.cloudinary.com/di7j408eq/image/...
-1
votes
1
answer
2k
views
How to optimize largest contentful paint time of responsive image that fills the whole screen
Objective
On my website I got 2 requirements for my image which fills the whole screen and thus should be optimized in loading time:
It's responsive, i.e. bigger screens get better resolutions
The ...
2
votes
1
answer
4k
views
Why PageSpeed shows Unattributable JavaScript execution time?
I am seeing Unattributable JavaScript execution time. How can I determine what is causing the issue?
screenshot
I have tested by removing third party scripts but that didn't help. Not sure what is ...
0
votes
1
answer
225
views
Pagespeed Insights doesn't use gzip
PageSpeed Insights doesn't request files with gzip encodings, which leads to a wrong estimation of files sizes(makes them much bigger then they actually are).
I looked through bunch of similar ...
-1
votes
2
answers
984
views
Poor CLS score in page speed insight and Lighthouse [closed]
Regarding Core Web details performance, the CLS index has been raised to critical in Google Search Console.
I've run a number of tests on page speed insight and Lighthouse and have already improved ...
1
vote
1
answer
569
views
CLS issue reported in Search console but not in Pagespeed insights
I've waited months before asking this question hoping it will fix on its own but its not. In Google Search Console, web vitals report poor CLS on 64 urls however if I run pagespeed insights report on ...
5
votes
2
answers
1k
views
PageSpeed Insight is showing a low performance for an Angular SPA app
I'm running an Angular app that is showing a very low score in PageSpeed Insight for mobile (41 for mobile, 86 for desktop).
I am attaching the screenshot of the errors here.
I could really use some ...
0
votes
1
answer
365
views
CrUX dashboard looses all data - why?
Two domains are affected by disappearing of data from CrUX dashboard:
These domains (origins) are affected: this and that. Both domains are available for bot crawling, earn much traffic and in the ...
0
votes
0
answers
149
views
Why am I getting this weird 'Mixed Content' Error?
I am currently optimizing my website a little bit using, among other tools, PageSpeed Insights. In the "Best Practices" section i stumbled over a load of mixed content errors. The source on ...
0
votes
1
answer
95
views
The goal is to pass the PageSpeed test https://prnt.sc/T0edUHFsx3lC
Before that, they worked with the domain https://alterair.ua/
Performed the scope of work recommended by PageSpeed Insights and passed the test (mobile and desktop) https://prnt.sc/IsUJW8kek_y7
List ...
-1
votes
1
answer
161
views
Bad:PageSpeed Insights can't work by using http,it works when I using https
enter image description here
it can't work by using http,it works when I using https.
I haven't configured my server to handle any specific user-agent
PageSpeed Insights only support https now? or ...
-1
votes
1
answer
437
views
Still receiving no First Input Delay (FID) or Interaction to Next Paint (INP) across website under Pagespeed Insights
This issue appeared more than six months ago which, from what reading I could find, seemed to suggest that there was not enough data to provide metrics for FID or INP. Although that may not be correct....
0
votes
1
answer
116
views
How to optimize CLS when simulated data differs greatly from real data
When running https://swisswebcams.ch/webcam/1354996226 on pagespeed.web.dev, the result for CLS (Mobile and Desktop) is 0. However, when looking at CLS values measured by CrUX, the values are 0,13 and ...
0
votes
0
answers
76
views
How do websites(especially news) keep their core web vitals as passed (in green) even though their page performances are considerably low
Lets see https://www.hindustantimes.com/, their web vitals are passed on pagespeed but their performance is 40 with lcp, tbt in red. How are they managing this?
https://pagespeed.web.dev/analysis/...
1
vote
1
answer
232
views
Issue with Pagespeed: "Properly defines charset Error"
Hello Stack Overflow community,
I'm currently working on a project hosted on HubSpot, and I've encountered an issue with Pagespeed Insights. The tool is flagging a "Properly defines charset Error,...
0
votes
1
answer
117
views
How to retrieve 'Properly size images' opportunity information from JSON returned by Google PageSpeed Insights API?
I have a JavaScript script that uses PageSpeed Insights API. It is easy to get some basic metrics from the JSON object. Here is how I get the performance score:
const performance = data....
0
votes
1
answer
74
views
Is there any way to limit access to "PageSpeed Insight" to only those from japan?
I am using PageSpeed Insights from Japan, but it seems to be evaluated as an access from overseas.
Until 11/27, it was displayed as access from Japan, but after 11/28, it is displayed as access from ...
0
votes
1
answer
724
views
How To Debug (Invisible) Cumulative Layout Shift (CLS )
When running a speed test on https://rc.swisswebcams.ch/webcam/1242547979 I get a CLS of 1.24 which is quite high. However, when looking at the screenshots and the suggestions below, I can't see any ...
0
votes
0
answers
381
views
LCP, CLS and FCP metrics have different values in 'Core Web Vitals Assessment' and 'Performance' sections
Is there a reason why the LCP, FCP and CLS metrics have a different value in the Core Web Vitals Assessment and Performance sections?
In screenshot attached, we can see that the LCP metrics has a ...
0
votes
1
answer
130
views
CrUX bug? Since multiple months CrUX displays other data as Lighthouse test
In my understanding, CrUX data is an average of last 28 days, where the Lighthouse test is a live test result in a controlled environment. So how can it be, that CrUX displays since multiple 28-day ...
0
votes
1
answer
2k
views
How to lower the mobile LCP score in Google Pagespeed Insights?
I'm trying to fix our mobile LCP score on PageSpeed Insights.
I've been banging my head over the past 2 weeks on this.
Our site is using Wordpress and it's cached with Cloudflare Enterprise. Also, we ...
0
votes
2
answers
1k
views
How to satisfy Accessibility in PageSpeed Insight with a link that contains both an image and text?
PageSpeed Insights keeps penalising me on Accessibiliy for having a button (anchor link) with an image and text. The anchor tag has an aria-label with the same value as the text inside the link.
Here'...
1
vote
1
answer
559
views
Test Page Speed Insights without waiting 28 days
I test my website with pagespeed. But to know exact result I should wait for 28 days. Is there are any way to test this without waiting?
I have tried to refresh and clear cache. I have tried to use ...
0
votes
1
answer
1k
views
Ask for reasons why a div triggers an LCP and FCP problem
I have a problem that I have been trying to solve for weeks (now even months). It's about a LCP and FCP problem on a website. The LCP problem is on the landing page caused by a DIV. Unfortunately the ...
1
vote
1
answer
761
views
What are causes of the differece between CoreWebVitals assessment and PageSpeen Insights performance grade?
While testing different sites with PageSpeed Insights test I experience same phenomenon, which I can't explain by myself:
There are multiple URLs passing Core Web Vitals assessment, but having all red ...
1
vote
2
answers
8k
views
How to improve LCP score of website where h1 is the largest contentful element painted within the viewport
LCP is coming 2.8 s and need to bring down.
after checking PageSpeed Insights got to know h1 is the LCP.
<div class="election-heading">
<span><h1 style="min-height:33px;&...
0
votes
0
answers
609
views
PageSpeed Insights / Lighthouse / Unlighthouse all gives differents results
I'm testing the performance of a site I just deployed, but the results are different depending on the tool I'm using. For example, while PageSpeedInsight gives me a score of 81% on mobile, Lighthouse ...