CrUX CWV Scores Show a Clear Winner

The PureView marks a new era for the Camcorder wars. The tiny HP and Sony cameras have been unable to catch up to the Canon and Panasonic models, and they’ve been in the same league as the industry’s best. It took a while for Canon to get its act together but the company has finally introduced a camera that gives the others a run for their money. The Canon EOS 5D Mark III has everything that a serious shooter could want, and it’s hard to argue with the camera’s impressive results.

If you want to get an idea of which company is getting your customers to convert, you can use web analytics. But it’s very difficult to get a sense of the whole picture. You can get some data from Google Analytics, but the data will be skewed. According to Marketo, 92% of Fortune 500 companies use Google Analytics. But they’re only using a small part of Google Analytics.

This year’s CWV scores were released recently, and the total scores are astounding. In mid-December, the CWV scores have been released, and they show that the top three businesses, in order, are: Microsoft (4.15), Google (4.10) and (3.93).

The Core Web Vitals Technology Report has been updated to incorporate July 2021 data from CrUX and HTTPArchive, according to Google developer Rick Viscomi. All three Core Web Vitals indicators, FID, LCP, and CLS, continue to increase for WordPress and Wix, according to the data.

This month, there can only be one winner.

CrUX Data

The Chrome User Experience report is abbreviated as CrUX. It is where the core web vitals (CWV) information originates from, and it is a report of real user experience.

Chrome browsers that have opted in to share their information are used to gather the data.

Field data is the term for this kind of information.

WordPress vs. Wix: First Input Delay (FID)

The First Input Delay (FID) is the time it takes for a website to become interactive in terms of buttons, links, dropdowns, and other interactive components.

In terms of the First Input Delay measure, WordPress clearly outperforms the Wix publishing platform.

Between May and July 2021, WordPress FID performance increased by six percentage points, from 89.4 percent of publishers getting a good FID score in May to a staggering 95.71 percent of publishers receiving an excellent FID score by July.


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This is a major performance boost for WordPress, indicating that the WordPress development team is working to enhance the page experience for visitors to WordPress-powered sites.

In May, Wix was the clear top, with 93.79 percent of publishers receiving a favorable FID score. However, WordPress surpassed Wix in July, with Wix’s FID score improving by less than one percentage point.

Wix’s share of the market fell from 93.79 percent in May to 94.6 percent in July, losing the FID title to WordPress.

The Most Contented Paint (LCP)

The Largest Contentful Paint (LCP) is a metric measuring how long it takes for the primary material to load and become available for interaction.

WordPress improved by less than a percentage point in the Largest Contentful Paint (LCP) measure, increasing from 27.51 percent in May to 28.11 percent in July.

Wix, on the other hand, increased their share of the market by 4%, from 29.16 percent in May to 33.43 percent in July.


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According to CrUX, 33.43 percent of Wix publishers provided a quick LCP page experience, compared to 28.11 percent of WordPress authors.

Publishers that use Wix have a five-percentage-point advantage over those who use WordPress.

While Wix wins the LCP award, WordPress is nearly tied with Wix in terms of popularity.

WordPress vs. Wix: Cumulative Layout Shift (CLS)

CLS (Cumulative Layout Move) is a metric for how much a page’s components shift around as it downloads.

A page with a low Cumulative Layout Shift (CLS) score is one where a visitor presses a button and the button bounces about, leading the user to click an ad and abandon the website.

This is a crucial statistic since sites with bouncing components may rapidly irritate visitors, causing them to return to the search results.

CLS Scores for WordPress

Between May and July 2021, the WordPress CLS scores declined, falling from 60.52 percent in May to 59.94 percent in July.

The performance of the WordPress CLS was only down by around 1%.

CLS Scores in WordPress (screenshot)

CLS Performance Scores for Wix

Wix really increased their score by more than 7%.

Even more astonishing, although 59.94 percent of WordPress publishers received a passing CLS score in July, Wix publishers received a staggering 80.49 percent.

Wix CLS Scores on a screen shot

Wix Cumulative Layout Shift Scores

Wix has a 20-percentage-point advantage over WordPress in the race to see whose platform has the greatest CLS scores.


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What Factors Contribute to Cumulative Layout Shift?

CLS may be caused by ads, pictures, embedded movies, and tweets.

It’s likely that the way publishers utilize WordPress is to blame for the platform’s much worse CLS performance when compared to Wix.

WordPress vs. Wix: Overall CWV Performance

Performance Enhancement for WordPress CWV

According to the study, WordPress’ CWV performance is gradually increasing, although at a slow rate of just 1% each month.

Between May and July 2021, WordPress only improved by 2%.

The percentages of WordPress-powered websites that got high marks are shown below.

CWV Performance in WordPress

  • 17.1 percent in May 2021
  • 18.9% in June 2021.
  • 19.1 percent in July 2021

WordPress CWV Scores screenshot

WordPress Core Web Vitals Scores

Performance Enhancement for Wix CWV

Between May and July 2021, Wix improved by six percentage points, attaining a six-point increase.


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The Wix Performance Metrics are as follows:

  • 22.6 percent in May 2021
  • 28.3 percent in June 2021
  • 28.5 percent in July 2021

Wix Core Web Vitals Scores (screenshot)

Wix Core Web Vitals Scores

Wix is 9 percentage points ahead of WordPress in the overall Core Web Vitals score.

The total CWV score for WordPress was pulled down by WordPress’ low CLS performance (in comparison to Wix’s considerably better ratings).

The facts are indisputable: Wix has a higher CWV score.

Wix is 9 percentage points ahead of WordPress in the overall Core Web Vitals ranking.


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The facts are the facts: Wix publishers earn higher overall Core Web Vitals scores than WordPress publishers.

For the month of July 2021, 19.1 percent of WordPress publishers had excellent CWV ratings, compared to 28.5 percent of Wix publishers.

That’s almost a ten-percentage-point advantage for Wix versus WordPress.

Wix’s approach to web technology management may have an edge over WordPress since Wix can regulate and adjust each web page element to ensure that the website meets their requirements.

WordPress is an open source content management system (CMS) with tens of thousands of third-party developers contributing themes and plugins that may degrade the page’s speed.

Wix is advancing at a rapid rate.

The Wix approach to proprietary closed system shows a faster rate of improvement than WordPress. From May to July, the Wix Core Web Vitals scores jumped by six percentage points, going from 22.6% to 28.5%.

WordPress saw an increase, although it was only by two percentage points, up from 17.1 percent in May to a somewhat better 19.1 percent in July.


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Again, since WordPress is an open source platform, independent publishers may build websites with higher performance ratings than Wix. Publishers using the Wix platform are unable to enhance their performance ratings.

However, for publishers who prefer to concentrate on their business rather than babysitting the underlying technology, having minimal control over web speed is a benefit, not a problem, in the Wix publishing ecosystem.

Wix is the winner… But only by a little margin.

Clearly, the Wix method offers benefits for some publishers, as shown by the quicker rate of development in CWV ratings.

WordPress, on the other hand, isn’t far behind.

The competition for Core Web Vitals excellence is still going on.


Rick Viscomi made an announcement on Twitter.

The Core Web Vitals Technology Report has been updated to incorporate July data from CrUX and HTTP Archive.

The Shopify/Squarespace/Wix drama escalates when it comes to desktop interfaces.

10 August 2021 — Rick Viscomi (@rick viscomi)

In today’s article I’m going to show you how you can use two free CRUX charts to quickly determine which campaigns are performing the best, and then follow up with some recommendations on how to improve your own campaigns. The CRUX CWV checklist is a well known and respected metric used by many marketers, but it’s important to understand how it works, and how it can help you optimize and improve your campaign.. Read more about wix vs wordpress 2020 and let us know what you think.

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