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title: "Use cases"
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Breadcrumbs: [Home](https://www.rumvision.com/?format=md) > Use cases

# Use cases

- ![thumb.server-timing-ttfb-improvement.png](https://www.rumvision.com/file/upload/img/blog/thumb.server-timing-ttfb-improvement.png)
    
     [### How our own Server-Timing header showed us where 437 milliseconds went 
    
     ](https://www.rumvision.com/use-cases/how-our-own-server-timing-header-showed-us-where-437-milliseconds-went/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} October 1, 202601/10/2026
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 9 min.{lang:labelminutes}
     
    We help other teams find out where their milliseconds go. So it was a little awkward to find out that one of our own documentation pages needed 481 milliseconds to build on the server, before a single byte left our origin.
- ![thumb.success-stories-web-perf.png](https://www.rumvision.com/file/upload/img/blog/thumb.success-stories-web-perf.png)
    
     [### Case studies: the benefits of optimizing Core Web Vitals 
    
     ](https://www.rumvision.com/blog/benefits-of-optimizing-core-web-vitals/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} September 28, 202628/09/2026
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 8 min.{lang:labelminutes}
     
    There's a big correlation between the Core Web Vitals and UX metrics. This article highlights the impact that optimizing Core Web Vitals had on major businesses worldwide.
- ![thumb.maxima_11.png](https://www.rumvision.com/file/upload/img/blog/thumb.maxima_11.png)
    
     [### Maxima is fast for 95 out of 100 visits. Google only asks for 75. 
    
     ](https://www.rumvision.com/use-cases/maxima-case-study-core-web-vitals/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} September 12, 202612/09/2026
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 7 min.{lang:labelminutes}
     
    Google measures three things about how a web page feels to real people. On maxima.com, all three are comfortably inside the limits.
- ![thumb.essenza-home-banner.png](https://www.rumvision.com/file/upload/img/thumb.essenza-home-banner.png)
    
     [### How Essenza Home uses RUMvision to spot the users still having a bad time 
    
     ](https://www.rumvision.com/use-cases/how-essenza-home-uses-rumvision-for-optimizing-core-web-vitals/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} May 3, 202603/05/2026
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 6 min.{lang:labelminutes}
     
    Most merchants celebrate the moment their Core Web Vitals turn green at the 75th percentile. Essenza Home, a Dutch e-commerce business selling luxury bedding, home textiles and interior products, pass
- ![thumb.use-case-wamoco.png](https://www.rumvision.com/file/upload/img/blog/thumb.use-case-wamoco.png)
    
     [### How a premium gold shop improved web performance - with small but powerful fixes 
    
     ](https://www.rumvision.com/use-cases/how-a-premium-gold-shop-improved-web-performance-with-small-but-powerful-fixes/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} November 27, 202527/11/2025
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 3 min.{lang:labelminutes}
     
    Selling gold online? Your web performance better be solid as... well, gold. Here's how Wamoco and RUMvision helped a premium gold shop fix Core Web Vitals issues that were undermining thousands of euros in customer trust.
- ![thumb.zitmaxx-top-cwv.png](https://www.rumvision.com/file/upload/img/blog/thumb.zitmaxx-top-cwv.png)
    
     [### Succes-story: how Emico build one of the fastest e-commerce sites in the world on Magento 2 
    
     ](https://www.rumvision.com/blog/how-it-is-possible-to-get-magento-lightning-fast/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} October 30, 202530/10/2025
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 4 min.{lang:labelminutes}
     
    Magento 2 has a reputation for being slow - but is it? In this use-case we discover how Zitmaxx.nl, a top e-commerce player in the Netherlands, got in the top 50 of Core Web Vitals scores worldwide, by using smart strategies and choosing the right partners
- ![thumb.making-sure-paid-traffic-has-the-best-page-speed-possible-31.png](https://www.rumvision.com/file/upload/img/blog/thumb.making-sure-paid-traffic-has-the-best-page-speed-possible-31.png)
    
     [### Making sure paid traffic has the best page speed possible 
    
     ](https://www.rumvision.com/use-cases/making-sure-paid-traffic-has-the-best-page-speed-possible/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} October 22, 202522/10/2025
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 2 min.{lang:labelminutes}
     
    If your ecommerce depends on -or receives- a lot of ad traffic, it is a must to be sure they have the best possible experience in terms of Core Web Vitals and page speed. In this article, we explain how RUM ensured that the ad budget was spent well.
- ![thumb.rumvision-3webapps.png](https://www.rumvision.com/file/upload/img/blog/thumb.rumvision-3webapps.png)
    
     [### How 3WebApps improved Core Web Vitals with RUMvision 
    
     ](https://www.rumvision.com/use-cases/how-3webapps-improved-core-web-vitals-with-rumvision/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} September 2, 202502/09/2025
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 2 min.{lang:labelminutes}
     
    A European market leader in car parts for both consumers and business customers switched to 3WebApps in early 2024. We soon found that the webshop's (F)UX was suffering from poor Core Web Vitals. And the internationally-oriented webshop with customers from all over the world couldn't afford that. The request for help was therefore to put the finger on the sore spot, solve the problems and continue to monitor data on the Web Core Vitals in real time. Our e-commerce professionals took RUMvision in hand and improved the Core Web Vitals and (F)UX in just a few months.
- ![thumb.lcp-lazyloading.png](https://www.rumvision.com/file/upload/img/use-cases/thumb.lcp-lazyloading.png)
    
     [### Too lazy to check your lazyloading strategy? Don't be! 
    
     ](https://www.rumvision.com/use-cases/too-lazy-to-check-your-lazyloading-strategy-don-t-be/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} June 27, 202527/06/2025
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 3 min.{lang:labelminutes}
     
    In this use case, we'll tell you more about lazy loading and how you can use it to optimize your Core Web Vitals. This customer got the right insights in time and was able to adjust it quickly and easily in the code.
- ![thumb.debugging-cumulative-layout-shift.png](https://www.rumvision.com/file/upload/img/blog/thumb.debugging-cumulative-layout-shift.png)
    
     [### Debug and optimize your Cumulative Layout Shift (CLS) in under 1 minute 
    
     ](https://www.rumvision.com/use-cases/debug-and-optimize-your-cumulative-layout-shift/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} June 3, 202503/06/2025
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 2 min.{lang:labelminutes}
     
    Optimizing your CLS can be difficult to estimate which element is shifting. This is because there are many different viewports. For example, one device may suffer from a shift where the other does not. With these insights, you will be ready within 1 minute and can start optimizing one of the three Core Web Vitals.
- ![thumb.ttfb-query-string-use-case.png](https://www.rumvision.com/file/upload/img/use-cases/thumb.ttfb-query-string-use-case.png)
    
     [### Don't make visitors on your website wait for the same page twice 
    
     ](https://www.rumvision.com/use-cases/don-t-make-visitors-on-your-website-wait-for-the-same-page-twice/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} May 17, 202517/05/2025
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 5 min.{lang:labelminutes}
     
    Are you sure your caching strategy is in order and that returning and successive visitors will benefit? This client found out that there are still a lot of performance gains to be made on the Time to First Byte (TTFB).
- ![thumb.cookie-banner-lcp-element.png](https://www.rumvision.com/file/upload/img/use-cases/thumb.cookie-banner-lcp-element.png)
    
     [### Be wary, a cookie banner may cause your LCP to vary 
    
     ](https://www.rumvision.com/use-cases/be-wary-a-cookie-banner-may-cause-your-lcp-to-vary/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} May 10, 202510/05/2025
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 4 min.{lang:labelminutes}
     
    Everyone hates cookie banners. But did you know they can also impact your Core Web Vitals? Learn how the Largest Contentful Paint (LCP) for a client changed depending on the acceptance of the cookie banner, and how to monitor if this happens to your site as well.
- ![thumb.cameranu-redesign-core-web-vitals.png](https://www.rumvision.com/file/upload/img/blog/thumb.cameranu-redesign-core-web-vitals.png)
    
     [### How Cameranu informed their stakeholders about Core Web Vitals 
    
     ](https://www.rumvision.com/use-cases/how-cameranu-informed-their-stakeholders-about-core-web-vitals/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} June 12, 202412/06/2024
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 3 min.{lang:labelminutes}
     
    Learn how Cameranu was able to easily monitor and inform their stakeholders about the impact their redesign had on the Core Web Vitals of their website by using RUMvision.
- ![thumb.fcp-improve-ab-testing.png](https://www.rumvision.com/file/upload/img/use-cases/thumb.fcp-improve-ab-testing.png)
    
     [### A/B Testing and Core Web Vitals: instant 30% FCP boost in under 3 minutes 
    
     ](https://www.rumvision.com/use-cases/a-b-testing-and-core-web-vitals-instant-30-fcp-boost-in-under-3-minutes/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} May 8, 202408/05/2024
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 2 min.{lang:labelminutes}
     
    Analysing the impact of A/B testing on Core Web Vitals and how turning off A/B tests resulted in an FCP improvement by over 30% on the homepage.
- ![vipio-logo.png](https://www.rumvision.com/file/upload/img/blog/vipio-logo.png)
    
     [### A 32.7% noticeable win for Vipio visitors 
    
     ](https://www.rumvision.com/use-cases/32-percent-noticeable-win-for-vipio-visitors/?format=md)
    - {glyph:calendar\_me-1} {lang:labelPublished} July 1, 202201/07/2022
    - {glyph:hourglass-end} {lang:labelReadingtime} ± 6 min.{lang:labelminutes}
     
    Vipio helps users discover unique and memorable places to stay. To ensure visitors stay engaged and are more likely to convert, delivering a strong first impression is essential. A fast, seamless website experience plays a key role in achieving this.

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