Moz Q&A is closed.
After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.
Web Core Vitals and Page Speed Insights Not Matching Scores
-
We have some URLs that are being flagged as poor inside Search Console in the Web Core Vitals report. For example, the report is saying that some pages have too many CLS issues.
When looking into things we can do to update we have noticed that when we run the same page using the PageSpeed Insights tool we are not getting the same bad scores. This is making it hard for us to actually know what needs to be addressed. Nor can we tell if a change actually fixed the issue because in PageSpeed Insights there is not an issue. Has anyone else had similar issues. If so have you found a way to fix it?
-
To my understanding, GSC is reporting based on "field data" (meaning the aggregate score of visitors to a specific page over a 28 day period). When you run Page Speed Insights, you can see both Field Data and "lab data". The lab data is your specific run. There are quite a few reasons why field data and lab data may not match. One reason is that changes have been made to the page, which are reflected in the lab data, but will not be reflected in the field data until the next month's set is available. Another reason is that the lab device doesn't run at the exact same specs as the real users in the field data.
The way I look at it is that I use the lab data (and I screen print my results over time, or use other Lighthouse-based tools like GTMetrix, with an account) to assess incremental changes. But the goal is to eventually get the field data (representative of the actual visitors) improved, especially since that's what appears to be what will be used in the ranking signals, as best I can tell.
Got a burning SEO question?
Subscribe to Moz Pro to gain full access to Q&A, answer questions, and ask your own.
Browse Questions
Explore more categories
-
Moz Tools
Chat with the community about the Moz tools.
-
SEO Tactics
Discuss the SEO process with fellow marketers
-
Community
Discuss industry events, jobs, and news!
-
Digital Marketing
Chat about tactics outside of SEO
-
Research & Trends
Dive into research and trends in the search industry.
-
Support
Connect on product support and feature requests.
Related Questions
-
Finding issue on Gtmetrix speed test and google speed test
Hey, when i have tested my website https://www.socprollect-mea.com/ on GT metrix. When i test morning, it shown page speed of 3.8 seconds and in noon it shown 2 seconds and later i check, it is defeclecting. speed on the Google page speed test as well. What kind of error is this and does anyone have the solution for this issue?
On-Page Optimization | | nazfazy0 -
Page Title Length
Hi Gurus, I understand that it is a good practice is to use 50-60 characters for the a page title length. Google appends my brand name to the end of each title (15 characters including spaces) it index. Do I need to count what google adds as part of the maximum recommended length? i.e.
On-Page Optimization | | SunnyMay
is the maximum 50-60 characters + the 15 characters brand name Google adds to the end of the title or 50-60 including the addition? Many thanks!
Lev0 -
Q&A Page Titles
Hello All! I am currently updating page titles and metadata descriptions for a websites Q&A section and have run in to a problem while updating page titles. Since it is the Q&A section of the website, all of the page titles are around 100 characters and some are up to 200 characters long. Here is an example: Page Title: My child is working below grade level in math. Do I have to purchase the curriculum from the grade below as well? The problem is that this is obviously too long for a SERP to display however I know it is best practice to have matching titles on both the title tag and page title. My question is what hurts SEO value more: the title tag and title of the page not matching or having a very long title displayed on the SERP?
On-Page Optimization | | Myles921 -
Home page keyword in url
I have been looking into SEO for a few weeks now trying to perfect a homepage. Going through various sources on MOZ, and other examples out there on the internet, I keep seeing that you should have your keyword in the URL of the page. The homepage is the page most people want to rank the highest in google searches, however, you cannot put the keyword in the URL as most home page URLs are simply /. Should I actually make the home like this: www.example.com/key-word-example? I would imagine this would not be the normal for many users and would seem like it's not the home page.
On-Page Optimization | | Matthew_smart0 -
Home page and category page target same keyword
Hi there, Several of our websites have a common problem - our main target keyword for the homepage is also the name of a product category we have within the website. There are seemingly two solutions to this problem, both of which not ideal: Do not target the keyword with the homepage. However, the homepage has the most authority and is our best shot at getting ranked for the main keyword. Reword and "de-optimise" the category page, so it doesn't target the keyword. This doesn't work well from UX point of view as the category needs to describe what it is and enable visitors to navigate to it. Anybody else gone through a similar conundrum? How did you end up going about it? Thanks Julian
On-Page Optimization | | tprg0 -
Page content length...does it matter?
As I begin developing my website's content, does it matter how long or short the actual text found in the is? I heard someone say before "a minimum of 250 words", but is that true? If so, what is the maximum length I should use?
On-Page Optimization | | wlw20090 -
Page speed tools
Working on reducing page load time, since that is one of the ranking factors that Google uses. I've been using Page Speed FireFox plugin (requires FireBug), which is free. Pretty happy with it but wondering if others have pointers to good tools for this task. Thanks...
On-Page Optimization | | scanlin0 -
Would it be bad to change the canonical URL to the most recent page that has duplicate content, or should we just 301 redirect to the new page?
Is it bad to change the canonical URL in the tag, meaning does it lose it's stats? If we add a new page that may have duplicate content, but we want that page to be indexed over the older pages, should we just change the canonical page or redirect from the original canonical page? Thanks so much! -Amy
On-Page Optimization | | MeghanPrudencio0