Tag Manager & Web Performance Part 2: a question of discipline and collaboration

Using a tag manager does come with consequences on your web pages loading speed. In a previous post, we’ve pointed out that this impact can’t be limited to the asynchronous loading of the embedded tags, and that your tag manager can become a serious problem for your website performance. So now it’s time to explore a few best practices about tag management so that this tool could meet its marketing goals without compromising your webpages’ speed. With the help of L’Oréal’s Digital Ad Tech Manager and several experts. Continue reading Tag Manager & Web Performance Part 2: a question of discipline and collaboration

Lighthouse: a powerful tool included in Chrome and DevTools

After our articles about Test My Site and PageSpeed Insights, our collection dedicated to the Google Speed Update ecosystem continues with another tool: Lighthouse.
Released in 2016 as a Chrome extension, Lighthouse is now also available directly in Chrome DevTools, via the “Audits” tab. Lighthouse is a great resource for developers interested in web performance and quality. Continue reading Lighthouse: a powerful tool included in Chrome and DevTools

PageSpeed Insights: the best tool to check your website performance for the Google Speed Update?

This is the second part of our weekly series about Google toolkit for web performance. A few weeks before the Speed Update (Google algorithm change expected on July 2018) this collection will help you to benefit from the best of the available tools and to avoid tricky mistakes. The tool of the day is perhaps one of the most well-known: Google PageSpeed Insights. Continue reading PageSpeed Insights: the best tool to check your website performance for the Google Speed Update?

Web Performance & E-commerce Benchmark: Who’s the Fastest Beauty E-retailer in France?

Dareboost has tested the loading speed of 12 leading e-retailers of the French beauty market. Nocibé, The Body Shop and L’Oréal Paris stand out as the fastest websites. But the overall industry’s web performance measured by Dareboost is among the slowest ones since we’ve begun to test the french e-merchants loading speed, two years ago… Continue reading Web Performance & E-commerce Benchmark: Who’s the Fastest Beauty E-retailer in France?

Web Pages Optimization: 2018 Dareboost Top of Tips

Among the many tips delivered by our analysis reports, which are the most appealing to those who have tested their web pages on Dareboost? We have reviewed the results of over 270,000 audits conducted via Dareboost and how the reports generated by our tool were browsed. Let’s focus on the most “clicked” best practices of the moment. Continue reading Web Pages Optimization: 2018 Dareboost Top of Tips

[Dogfooding] How Dareboost has benefited from Custom Timings monitoring

We may be Web Performance experts, we still don’t have superpowers . We also need tools to analyze our sites and applications. So when we released our new Custom Timings feature, we naturally jumped at the chance to test it on Dareboost.com… and immediately saw the benefit. Continue reading [Dogfooding] How Dareboost has benefited from Custom Timings monitoring

New Metrics for your Web Performance tests & monitors: Custom Timings

Custom timings (API User Timing), have just landed on Dareboost! This brand-new range of performance indicators gives a new dimension to your web page analyses and monitors. And that’s not it yet: more advanced indicators such as DomContentLoaded or Onload are now available in your monitoring data… Let’s discover how to use these new performance metrics with our tool. Continue reading New Metrics for your Web Performance tests & monitors: Custom Timings

User Timing API (Custom Timing): the most relevant performance measure ever

You may already have dreamed of it: being able to measure exactly when one image of your web page is rendered or a particular script is executed, and track this moment through your favorite tools. The User Timing API made it possible, allowing you to place marks wherever you need within your pages! That feature is now supported by all the most recent browsers. And Dareboost is about to let you benefit from it at a larger scale! Continue reading User Timing API (Custom Timing): the most relevant performance measure ever

Back to static with JAMStack: a paradigm shift for better UX and web performance

For several years now, a new range of solutions have emerged in the web technologies landscape. Static site generators, headless CMS, content infrastructure… these solutions contribute to a global trend. “Static trend”, “JAMStack”, several names exist but none really covers what is an overall new proposal for web application architecture, and somehow a comeback to the roots of the Web.

Continue reading Back to static with JAMStack: a paradigm shift for better UX and web performance