A 100 Score In Google Pagespeed Insights Is Not The Goal!
Video transcript: Google Core Web Vitals Consulting Services
0:00Who We Are and What Core Web Vitals Consulting Is
Brendan from WP Speed Fix. I thought I'd make you a short video just to talk about our Core Web Vitals consulting services. We are a site speed optimization and technical SEO agency. Those are the two things we specialize in. Site speed optimization is basically a subset of, or part of, technical SEO, and one of the things we do, pretty much our core service, is Google Core Web Vitals consulting and optimization services. That's what we have been doing since 2020, when Core Web Vitals was released, or announced, or introduced by Google.
We're a bit different to other agencies. You're probably either watching this on YouTube or on our website. If you're on YouTube, you can click over to this page on our website, Core Web Vitals Consulting. It talks about a few things and how we operate.
0:46Why a 100 PageSpeed Score Is Not the Goal
Basically, a 100 score in Google PageSpeed Insights is not the goal of speed optimization. Passing Core Web Vitals is. The Core Web Vitals data set is the real-world speed users are experiencing when they visit your website. On every single Google Chrome browser, and all Chromium-based browsers, using the Chromium engine, which is a lot of the browsers, something like 70% of the browser market, on every page load that browser is sending data back to Google. It's sending data back on the load speed of the page.
That data set is called the Chrome User Experience Report, or CrUX, and that's the data set that is used to generate reports about site speed and Core Web Vitals metrics. If you run a test in Google PageSpeed Insights, the data at the top that says field data is coming from real users who have visited your site or that page. So the goal is not a 100 score in PageSpeed Insights. The goal is actually to pass the Core Web Vitals metrics, so get a passing grade there, or a good score across the three Core Web Vitals metrics.
1:58How Other Tools Cheat the Test and Hurt Real Speed
Commonly you'll see, we've got just a note on the page, that a lot of other agencies and tools and services will promise or guarantee a 100 score in PageSpeed Insights. The way they're able to do that is basically by cheating the test. In most cases what they are doing is not loading the full version of the page. Most commonly they delay or pause the JavaScript on the page until the user interacts with the page. So they're not loading the whole page, and that makes the speed look really good on a test like that.
In a real-world scenario, though, that can actually make the speed go backwards. When the user gets to the site and starts interacting with it, only then do things like JavaScript load: heavy third-party tracking tools, live chat tools, things like that. That actually makes their experience slower in a lot of cases, so it can make the Core Web Vitals go backwards. It's possible to have a 100 score on PageSpeed Insights and be completely failing the Core Web Vitals metrics. Keep that in mind.
It can also totally ruin your SEO. Because the page is not loading fully, when a Google crawler comes along, Google gets the same experience. It's not seeing the fully loaded page. You can test this on your own website. If speed optimization has been done on your site and you're not passing Core Web Vitals, load the page, don't interact with it, don't move the mouse, don't do anything, and just see if it fully loads on that initial page load in the browser. If it doesn't, then you've got some sort of aggressive JavaScript optimization going on where the page is not loading fully. So keep that in mind.
3:30The Three Core Web Vitals Metrics and Their Benchmarks
Core Web Vitals is also a ranking factor. If you're failing Core Web Vitals, you're likely not ranking as high as you could. We've got some information on the three Core Web Vitals metrics here, and I'll run through them very quickly. LCP, Largest Contentful Paint. This is when the user perceives the page as having been loaded. That's when the largest piece of content on the page loads. The benchmark for good is 75% or more of the visitors getting an LCP time of under 2.5 seconds. That's what a good or passing grade is.
INP is how quickly the site responds to inputs, how quickly the site visually responds to an input from the user. That needs to be under 200 milliseconds for 75% or more of the users. Then CLS, or layout shift. That's difficult to explain, but it's probably best explained by an experience you've had yourself on a page. It's kind of loading, you go to click on something, it finishes loading and now you're clicking in the wrong spot. That's layout shift. It's not a time or a score. It's a computed number, a calculated number, and it needs to be under 0.1 for 75% or more of the visitors to be in the passing grade.
4:40Why Time to First Byte Matters for Every Metric
We've also got time to first byte listed here. This is not a Core Web Vitals metric, but it does impact all the other metrics. It's how quickly your server responds to requests: the time it takes for the browser, technically, to receive the first byte from the server. If you have a bad time to first byte, all the other metrics will be bad. We just talked about LCP and our goal is under 2.5 seconds. If you have a time to first byte of 2 seconds, or 2.5 seconds, then you're immediately going to fail that LCP metric. So time to first byte is also important, although it's not a Core Web Vitals metric.
Time to first byte is affected by a lot of things: hosting quality, hosting speed, hosting load, how well, or if, you even have page caching on the site, and whether you're using more advanced techniques like edge caching, so the page is cached at the content delivery network layer, or the CDN layer. It can also be impacted by things like marketing tools. A very common problem we see is paid traffic being very slow, because there are custom query strings attached to that paid traffic that are bypassing all the speed optimization. You end up in a scenario where the most expensive visitors, the visitors you're paying for, are actually getting the slowest experience because of these marketing tools you're using. That's a very common issue as well.
6:12Our Three-Phase Consulting Approach
There are a lot of different ways we can help you. Broadly, our consulting approach is split into three parts. We audit a site, we come up with an action plan, and then we do the implementation. We can do the implementation for you, or if you have a team they can do it, or we can work with your team to do the implementation. But basically those are the three phases of our optimization work.
6:34Vital Signs Tracker: Closing the Loop Faster Than 28-Day Data
We also have a custom-built tool called Vital Signs Tracker. One problem we have with Core Web Vitals data is that it's based on an average of 28 days. If we're relying on Google's tools, we have to wait 28 days, or up to 28 days, to see how well our speed optimization work has performed or whether it's fixed problems. With Vital Signs Tracker, we're actually grabbing the same data from the Core Web Vitals data set, the CrUX Chrome User Experience Report data set, and we put it in our own database so we can do reports on it. If you go to our Products and Services menu here, you'll see Vital Signs Tracker in there. There's some information there and a walkthrough video on how it works.
Basically, we can run reports and see how we're doing on a page-by-page level. It also tracks the attribution. If something like LCP is failing, we click into these metrics and it will tell us what element was loading that's failing, whether it's an image or a video or whatever it is. It's a very powerful tool, and we've built it to shortcut the process of optimizing for Core Web Vitals. We can implement the action plan, and then with Vital Signs Tracker installed, within three, five or seven days, depending on how much traffic the site has, we have a data set there. We can see whether the site's passing or whether more action is required, or maybe there are particular pages with big fat images or something that is slow and those images need individual attention. Broadly, with Vital Signs Tracker we close the loop, turn around optimization very quickly and see all the gaps without having to rely on Google tools or Google Search Console.
8:06Getting Started: Free Site Audit and Core Web Vitals Report
In terms of getting started, there are probably two things you can do from here. We have a free site audit page here, so you can submit a site audit request. Tell us what you're looking for help with or what you're looking to achieve, and one of the team will come back to you within about one business day or so. If you're not ready for that yet, we also have a Core Web Vitals report here. You can run this report and it will work so long as you have enough traffic. To have a Core Web Vitals data set for a website, it needs to have somewhere between 50 and 100 visits per day to have enough traffic to build that data set. It's not a fixed number, because it's based on Google Chrome browsers. If you have a lot of Safari users, there might not be enough traffic from Google Chrome users to push you over that threshold.
To run this report, it takes about 60 seconds. There's no opt-in required. You can only run it on a site level. It doesn't work on a page level. Make sure you're using the primary URL of the site. If your site loads with or without www, use that in here. I'll run a report now on a site here, so I'll generate this report so you can see what it looks like. There's a video walkthrough on that page explaining how the reports work. It's a Google Data Studio report. Like I said, it takes about 60 seconds to run, sometimes a little faster than others.
9:15Reading the Report: History, Devices and Monthly Updates
You can see here's the date selector. You can see the historical data for the site. You can go back, I think, 12 months, and you can click these tabs on the left and see the historical data for the different metrics. You have the Core Web Vitals and then other metrics as well. You can also see the percentage of desktop versus mobile users that it's tracked, so you can see what's more important. For some sites desktop is more important than mobile and vice versa. You can run this report on competitor sites as well.
The report updates on the second Tuesday of each new month with new data sets. You can set this up and use it on a month-to-month basis and track your site speed. You can set up email reporting for it as well. You can do a whole bunch of stuff. If you're not ready yet for a service, there's a link here, click to generate that report. If there's anything else you need, just hit the Contact Us page on our website, or if you have any questions, post in the comments below if you're on YouTube. I think that covers everything. If you need any help, like I said, come to our website, wpspeedfix.com, and we're happy to help you out with Core Web Vitals consulting and optimization services. Cheers.
We’ve optimized 5000+ sites for speed and Core Web Vitals since we started WP Speed Fix in 2016.
When Google introduced Core Web Vitals (CWV) in 2020 it was a game changer. No longer is guesswork required when it comes to site speed. With Core Web Vitals, Google now tracks the real speed that users are experiencing when they visit your website.
Every Google Chrome Browser and other browsers powered by the Google Chrome “Chromium” engine now collects the load speed of each page on a website and reports it back to Google.
This dataset is know as the Chrome User Experience Report (CRUX) and is what’s used to report on site speed and CWV metrics.
Passing Core Web Vitals Is The Goal
Core Web Vitals is the actual real speed users are experiencing and it makes things like Pagespeed Score and GTMetrix grades obsolete.
In fact it’s possible to have a 100 score on desktop and mobile on Pagespeed Insights and be completely failing the Core Web Vitals Benchmarks.
Site speed is dynamic quality. Each page load will have a different speed depending on the visitors physical location, the load on your hosting at the time, the traffic source the user came from and even the wifi signal strength on their device.
Cheating Pagespeed Scores Won’t Help Pass Core Web Vitals or Your SEO Rankings
Many providers offering site speed optimization will guarantee 100 scores in Pagespeed Insights but this doesn’t mean you’ll pass CWV.
Often these scores are achieved by only partially loading the website and then only loading the rest of the page when the user interacts with it. This almost always gives a 100 score in PSI but it’s essentially cheating the test.
Worse still, this type of cheating can actually make your site slower as it introduces delays into loading heavy elements like javascript tracking and can also ruin your SEO as Google and other SEO crawlers don’t actually see the full version of your website.
Failing Core Web Vitals is hurting your SEO
Google uses CWV as a major ranking factor and as the basis of how fast your website feels to real users.
If your site is failing these metrics, it’s hurting your SEO, user experience, and conversions. Most developers chase PageSpeed Insights scores and completely miss the point—Core Web Vitals is about real user speed, not synthetic tests.
We can help you pass and maintain “good” metrics for all three Core Web Vitals benchmarks.
Our site speed work is focussed solely on getting a pass on Core Web Vitals.
The three Core Web Vitals Benchmarks are:
Largest Contentful Paint (LCP)
Measures load speed. It tracks how long it takes for the largest visible part of your page (like a hero image or heading) to appear. The benchmark for “good” is 75% or more of your visitors with an LCP time of under 2.5 seconds
LCP can be thought of as how fast the perceived load time of the page is.
Interaction to Next Paint (INP)
Measures interactivity. It shows how responsive your site feels when users click, tap, or interact. A good score is an INP of under 200ms for 75% more of your visitors.
INP can be thought of as how responsive or quick a page is to provide visual feedback to inputs.
Cumulative Layout Shift (CLS)
Measures visual stability. It detects unexpected layout shifts—like buttons jumping around as the page loads. This is a computed metric or calculated number, it’s not a time. Here a passing grade is 75% or more of your visitors with a CLS under 0.1
CLS is bit more difficult to explain but you would have experienced this when you’re on a website about to click on something and the page finishes loading and your mouse is no longer hover over the area you were about to click on.
These metrics reflect real user experience and are a direct ranking factor in Google Search. Passing them means a faster, smoother site—and better SEO and conversions.
TTFB or Time To First Byte is also critical
TTFB. is how quickly your server starts responding to a request and is the foundation of all fast loading sites.
This metric impacts every other metric and a poor TTFB will hurt the other metrics like FCP and LCP.
A “good” time to first byte is considering to be 0.8 seconds or less. TTFB varies greatly depending on the location of the visitor, whether the page is cached at the server and whether you’re using other caching techniques like edge caching. When a site is extremely slow, often there is an underlining issue causing high TTFB.
Poor TTFB metrics can also impact SEO in other ways. If your site is slow to respond to Google and other SEO crawlers, they’ll often timeout and leave your site. SEO rankings are directly tied to your TTFB performance.
How We Can Help You
Our CWV consulting services are designed to identify and fix real performance bottlenecks that impact your CWV scores:
- ✅ Detailed Core Web Vitals Audit using Google Search Console, CrUX, and field data
- ✅ Precise Diagnostics of LCP, FID/INP, CLS, and TTFB issues
- ✅ Real-User Speed Testing across mobile and desktop
- ✅ Actionable Fixes tailored for your CMS, stack, and theme
- ✅ Theme & Plugin Optimization without breaking site visuals or functionality
- ✅ Code & Asset Optimization (JS, CSS, fonts, 3rd party scripts)
- ✅ Core Web Vitals Recovery Plan based on your actual field data
Whether you’ve been hit by a ranking drop or flagged in Google Search Console, we’ll guide you through a fix that sticks—and doesn’t degrade over time.
Common CWV Problems We Solve
- ❌ Poor LCP caused by oversized hero images, blocking scripts, or render delays
- ❌ CLS issues from shifting layouts, fonts, or ads
- ❌ Long TTFB or INP due to slow hosting, caching problems, or server-side rendering issues
- ❌ Sites that pass Lighthouse or PageSpeed tests but fail field data audits
If you’re getting mixed signals from tools or your dev team says “your speed is fine” but Google says otherwise, we can cut through the noise.
If your site is failing these metrics, it’s hurting your SEO, user experience, and conversions. Most developers chase PageSpeed Insights scores and completely miss the point—Core Web Vitals is about real user speed, not synthetic tests.
Getting Started
To start started, complete our free site audit form and tell us what you’re looking to do and what you need help with. One of the team will review your site and come back to you usually within 1 business day.
If you’re not ready to engage a consultant yet, try our FREE Core Web Vitals report. There’s no optin required and it takes just 60 seconds to generate. Click here to generate a report.

To get started, submit a FREE site audit & review here along with your goals or the problem you’re looking the solve.
We get back to most enquiries within 1 business day.