Using a Tag Management System – like Google Tag Manager or TagCommander – to deal with scripts and third-party content populating your web pages presents obvious advantages for marketers. From a Web Performance point of view, the impact of such tools deserves your attention… Continue reading
Deploying CSP: a 5-step approach
You may have seen recommendations from Dareboost to put in place a security policy regarding the origin of your resources. In case you haven’t dived in yet, I’d like to offer some advice on its implementation, from my experience. Continue reading
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
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.
Website speed test from Oslo now available on Dareboost
Dareboost has just added Norway to its list of available locations to test your website performance. Indeed, Oslo is the 13th city across the world – the 5th on the European continent – to host our test probes. Continue reading
Web Performance Fundamentals: what is the Speed Index?
At Dareboost, we have a motto: you can’t assess your overall website performance with one single metric! Nevertheless, some are more synthetical and relevant than others. We consider Speed Index as one of the most important indicators to analyze. Let’s discover why: what does the Speed Index indicate? How is it measured? How to interpret and use it properly? Continue reading
Google Speed Update: a Speed Ranking Signal for Mobile Searches
On July 2018, Google will use Speed as a Ranking Signal for Mobile Searches. As a service dedicated to website speed monitoring and optimization, we’re of course very interested in how Google is dealing with website speed to crawl, index and rank web pages within its search results. After Red Slow Label and Slow to Load testings conducted in 2015, and with the Mobile First Index being deployed, we should not be surprised about this last move from Google. Let’s have a quick look back on this history before detailing this Speed Update announcement. Continue reading
Optimize your MP4 video for better performance
Representing more than 75% of the videos served on the Internet, MP4 is the most commonly used format today. However, MP4 is often used improperly, which can have an unfortunate impact on the User Experience. Let’s see how we can improve this. Continue reading
2018: May the Speed Be With Your Website!
Updated on February 6, 2018 – All the Dareboost team wishes you all the best for this new year. Obviously, we’re talking about your websites performance, which we hope to be at the top in 2018. Why not considering your web pages optimization as one of your best 2018 wishes (and a real goal to achieve)? To motivate you, we’ve organized a little game during January, giving a chance to win a Business account and some Dareboost goodies… Now it is time for us to thank all the contributors and, of course, announce the winners!
Web performance test & monitoring: Dareboost 2017 retrospective
To make 2018 a great year for your website performance, let’s have a look back on the major evolutions for Dareboost in 2017: new features, improvements, best practices, etc. This retrospective post may remind you some very useful information for 2018! Continue reading
Defer scripts to speed up rendering
Artists are not the only ones who suffer from a blank page, so are your users. Their frustration can lead them to abandon your page prematurely. Several techniques can help you to speed up rendering and avoid that problem. One of them is to defer parsing of JavaScript files. Continue reading
Website analysis: new checks in our test reports
Update: as announced 2 weeks ago, we have updated the quality checks on Dareboost on December 12.
Save the date! From December 12, new quality checks will enrich our website analysis tool. This post aims to introduce those new quality tests. This is a major update, with numerous new tests and also improvements for existing ones. Expect your Dareboost score to change on December 12! Let’s discover the changes and hopefully this will be an opportunity for you to fix some issues even before the update.