Questions tagged [core-web-vitals]
The core-web-vitals tag has no usage guidance.
31
questions
3
votes
2
answers
61
views
Reduce CDN latency that is affecting core web vitals
Below image shows an image being downloaded by chrome from my site. This image is served from Google CDN. I have throttled the network to fast 3g to simulate lighthouse. Downloading LCP image at 1.53 ...
- 131
3
votes
1
answer
183
views
Is setting Priority Hint fetchpriority=low for favicon.svg and/or site.webmanifest a good idea for website speed / Core Web Vitals?
I've noticed in a chromium desktop browser web console that the default priority (fetchpriority) for favicon.svg and site.webmanifest as assigned by the browser is high.
Would it be a good idea to set ...
- 165
0
votes
0
answers
29
views
Determining LCP image out of four images
In our website we have search page which shows records in rows with 4 products in one row(desktop). And we have top only top row in view port.
All these images have same render size and their ...
- 141
1
vote
0
answers
64
views
First Contentful Paint on localhost
I have a sample express.js app:
const express = require('express')
const app = express()
const port = 3000
app.get('/', (req, res) => {
res.send(`<!DOCTYPE html>
<html>
<body>
...
- 111
0
votes
1
answer
48
views
To pass Core web vitals you need a website close to amp level [closed]
So Google is rolling out AMP (Accelerated Mobile Pages) but increasing the pressure on CWV with new experimental metrics. To pass CWV, you will need to render a page almost identical to amp level.
Do ...
- 168
1
vote
1
answer
146
views
How does CWV pass P75 threshold if FID & CLS needs interaction from the user?
How does Core web vitals pass the 75% threshold if FID & CLS needs interaction from the user? For example:
If we got data for 1K page views with LCP and only 100 page views were recorded for FID ...
- 168
2
votes
1
answer
748
views
How does a "28 day window" work for core web vitals? [closed]
I'm lost in understanding the 28-day window for core web vitals.
When did the 28-day collection period start for CWV?
Then, if a site has fluctuations on a metric between the 28-day
window. For ...
- 168
3
votes
3
answers
567
views
Lighthouse in Chrome vs PageSpeed Insights and Core Web Vital Metrics
From what I understand,
Core web vital assessment (the top section of PageSpeed Insight result) uses field data and the lighthouse section uses lab data. And the core web vital assessment is what ...
- 33
3
votes
1
answer
28
views
Does page weight matter if your Core Web Vitals scores are good?
At my company, we've done an excellent job showing people the value of using user-based metrics like the Core Web Vitals for performance testing. But this has also become a bit of a two-edged sword.
...
- 858
3
votes
1
answer
521
views
Is Largest Contentful Paint (LCP) measured only above the fold?
A lot of sources mention that LCP is measured only above the fold, and stops measurements after a user action like scroll or key press. Though, I am able to get LCP for an image which is lazy-loaded ...
1
vote
0
answers
17
views
Any way to identify page or device level Cumulative Layout Shift (CLS)
Have been trying to improve my sites mobile CLS score for the SEO benefits that it may or may not bring.
But getting discrepencies with tests that I can run vs real world data that google uses.
https:/...
- 111
1
vote
1
answer
336
views
Core Web Vitals - Field data difference Mobile vs Desktop
I am observing a strange problem related to Core Web Vitals, I have same website for both mobile and desktop(same server/same page/same DOM size) but I when I look into search console I get different ...
- 153
4
votes
1
answer
408
views
Core web vitals - LCP is being recounted on element outside viewport
I have been trying to control LCP on my website but unfortunately a strange phenomenon is continuously occurring, An element which is not in viewport is considered to be an LCP.
Opposite to that ...
- 153
1
vote
0
answers
36
views
where does Google test core web vitals from?
Is it possible to know where Google tests core web vitals from?
I ask so that I can prepare our Cloudflare cache for their tests.
I say this because ahrefs.com runs its site audit from France, and was ...
- 1,456
3
votes
1
answer
82
views
Which is more important in terms of SEO? TTFB or page fully loaded speed?
In terms of SEO, which is more important? Time to First Byte or page load speed?
I ask because with Cloudflare our TTFB is 25% faster than without, but the time to fully load the page and its ...
- 1,456
3
votes
1
answer
284
views
How to improve CLS. Chrome Lighthouse shows GREEN but GSC shows RED?
I have no Idea what is going on. The lighthouse on different devices shows my page CLS 0.002, but when I go to my Google Search Console -> core web vitals the CLS is in RED ZONE >0.25.
I ...
- 105
3
votes
1
answer
87
views
Get more insights about LCP and CWV stats from Google page Insights?
When I look at LCP stats below on google page insights, I see 34% request are in green, 30% in orange, and 35% in red.
I want to further deep dive into it how some requests are in good range and some ...
- 177
4
votes
3
answers
5k
views
Why does Google Page Experience show 0% Good URLs when most of the URLs have green scores in Pagespeed for FCP, LCP, FID etc.?
The website has around 300 URLs.
There are no Mobile Usability Issues reported in the google search console.
There are no Security Issues reported in the google search console.
There are no Ad ...
- 201
4
votes
0
answers
30
views
Why does Google Page Experience show 0% Good URLs when most of the URLs have green scores in Pagespeed for FCP, LCP, FID etc.? [duplicate]
The website has around 300 URLs.
There are no Mobile Usability Issues reported in the google search console.
There are no Security Issues reported in the google search console.
There are no Ad ...
- 201
1
vote
1
answer
188
views
PageSpeed Insights Field Data Won't Pass Core Web Vitals Assessment!
As you know, Google introduced Core Web Vitals in the end of April 2021 and as of May, the CWV became a ranking factor for Google.
Our website was one of those who hit it hard. We lost like 50-70% of ...
- 130
2
votes
1
answer
180
views
Does core web vitals field data consider network speed?
Google measures core web vitals based on real-world metrics (like when users visit pages in their Chrome browsers). But what if a user browses from a location where network connection is poor? Does ...
- 2,323
2
votes
1
answer
95
views
Does Lighthouse sometimes miss preload links if non-preload link is also present?
I added preload links to my site for two CSS files, and this was by far the biggest improvement opportunity listed in the Lighthouse audit.
I added the preload links, and ran a new Lighthouse audit, ...
- 853
3
votes
3
answers
510
views
[Google Search Console]: What might account for a same page having > 0% but < 100% of mobile search impressions having "good page experience"?
I have a site that has "99.9% URLs with a good page experience" (on mobile) and no issues with core web vitals, mobile usability, security, or HTTPS (all URLs pass on all fronts). This has ...
- 158
2
votes
1
answer
98
views
Major CLS issue - Can´t locate it at all - Core Web Vitals - All Pages effected
since a few weeks already I am trying to fix my CLS issues. My sitemap contains of 150 single pages in total. All of those 150 pages are affected by BOTH the Mobile and Desktop CLS issue (>0.25 &...
- 21
2
votes
1
answer
54
views
Google core web vital latest release impact on ranking?
Here is the recent timeline of keyword ranking of my site
On 12th May , my site was ranked number one on 1500 keywords
On 20th May , it ranked number one on 1900 keywords. Rank upgraded.
On 2nd June, ...
- 177
2
votes
1
answer
66
views
Google ranking based on core web vitals or six web vitals?
I use the google page insight https://developers.google.com/speed/pagespeed/insights/ to measure the perf metrics about my site. I see the overall score comes out to be based on six web vitals
FCP
SI
...
- 177
1
vote
1
answer
65
views
SEO Affected by Sizes Attribute in Images
If we set sizes="(max-width: 450px) 50vw") of the image but later we will expand this image to full width. Will google penalize us for it as we expanded the image to 100vw but told Google to ...
- 23
0
votes
1
answer
89
views
How to remove CLS on a website that contains ads
I've read all the documentation regarding CLS and what causes websites to have CLS. I'm having a tough time figuring out what is causing the CLS for the users. And how to stop the CLS for those given ...
Nook Friends
2
votes
1
answer
78
views
Core Web Vitals (CLS and LCP) errors for a client-rendered Single Page Application (built with React + Firebase)
I have a SPA (single page website) build with React + Firebase and I've been getting these Core Web Vitals errors (see images below).
My website is loading normally both on Desktop and Mobile. And I ...
- 978
5
votes
1
answer
548
views
Will Google use field or lab data for ranking sites with core web vitals performance metrics?
Starting in May 2021, Google will begin using their Core Web Vitals metrics to inform search ranking. Will they will use field or lab data as the source of these metrics?
Our site scores well on field ...
- 297
4
votes
1
answer
236
views
Google Page Speed Insights shows zero cumulative layout shift with lab data, but poor CLS with field data
Lab data, as well as online analysis tools show my site to have 0 cumulative layout shift (CLS) issues in mobile and desktop versions. However, Google field data is showing 0.30 CLS issues, (Critical, ...
- 65