[Infographics] DiG Publishing Lisbon: website speed tests results for leading european publishers

As Dareboost is one of the 40 selected startups coming from 15 countries by DiG Publishing to present their services to 120+ leading european publishers, we have decided to test the web performance of some of those top news medias and vertical websites with large audience before going to Lisbon. Here are the detailed results. Continue reading [Infographics] DiG Publishing Lisbon: website speed tests results for leading european publishers

Ensure secured connections with HSTS (HTTP Strict Transport Security)

Our regular readers already know that HTTPS is now a requirement for any websites. The urge to get rid of unsecured navigation has never been stronger: each release of Google Chrome or Mozilla Firefox comes with a new warning sign for users sharing private data. Soon, all forms will be concerned.

But offering an HTTPS version of your website is not enough to automatically redirect all your HTTP traffic to this secured version. Continue reading Ensure secured connections with HSTS (HTTP Strict Transport Security)

Hiring, events and more: latest news you shouldn’t miss about Dareboost

A lot of news to announce about Dareboost! First of all, we are very glad to see our team reinforced with the arrival of our Customer Success Manager. That said, let’s have a look back to a few announcements you may have missed this summer. And then talk about some nice events Dareboost will be part of in the weeks to come.

Continue reading Hiring, events and more: latest news you shouldn’t miss about Dareboost

Secure your cookies to the next level with SameSite attribute

After reading our last article about how to secure your cookies, you may (should?) already be using Secure and HttpOnly flags. As a reminder, ‘Secure’ allows to prevent a cookie to be sent on a non-secure web page, whereas ‘HttpOnly’ prevents any client-side usage of a given cookie.
It is now time to take your website security to the next level with one more attribute for your cookies! Let’s talk about SameSite instruction, allowing to prevent Cross-Site Request Forgery (CSRF) attacks and Cross-Site Script Inclusion (XSSI). Continue reading Secure your cookies to the next level with SameSite attribute

Performance and security of target=_blank links with rel=noopener

About one year ago, we were announcing an update of the quality checkpoints of our website analysis service. This update was including a new best practice related to hypertext links opening in a new window or tab by using target="_blank" attribute.
Joining Google Chrome, the latest Firefox version now supports the rel="noopener" attribute, which was one of our advised solutions. The right time for us to have a look back on this recommendation we have brought not only for better security but also for web performance. Continue reading Performance and security of target=_blank links with rel=noopener

Website Speed: 49 Luxury Brands Tested in China

The Chinese web is a highly coveted market for all brands of luxury goods from around the world. But it is also a difficult sector for investments – with its limited access conditions as well as its famous Great Firewall. How do these brands manage to deal with these technical handicaps? Using its Chinese probes, Dareboost tested the web performance of 49 of these prestigious brands.  Continue reading Website Speed: 49 Luxury Brands Tested in China

Website analysis: new checkpoints on Dareboost

UPDATE: New checkpoints described in this post are now available on dareboost.com!

On February 2nd, checkpoints applied to our website quality test tool will be updated. New checkpoints, impacts on the Dareboost score… Here is a detailed review of this update to come, so that you could anticipate it and avoid any drop of your own score! Continue reading Website analysis: new checkpoints on Dareboost

Website speed test & monitoring: Dareboost 2016 retrospective

Hello 2017, goodbye 2016! The Dareboost team wishes you all the best for this new year: success in your business and projects with, naturally, highest web performance for your pages! More than ever, Dareboost is the ultimate tool to help you improving your websites speed and quality. Here is a 2016 retrospective of the major evolutions concerning our service: you may enjoy (re)discovering some of them! Continue reading Website speed test & monitoring: Dareboost 2016 retrospective

Web Performance and User Journey Monitoring with Dareboost

It’s been months we have been working on it and testing it with a few renowned customers, and there we are now… Proud to announce the release of a brand-new feature on Dareboost: Synthetic User Journey Monitoring! Thanks to this new service, you will be able to analyze and monitor the web performance of a whole user journey. Let’s discover this new option. Continue reading Web Performance and User Journey Monitoring with Dareboost

On the way to HTTP/2: what to expect for front-end development?

We have announced it a couple months ago: our web performance testing tool now fully supports HTTP/2 and our best practices repository has been updated to handle the particularities of this new protocol. Now, let’s go back to the reasons of HTTP/2 emergence and talk about the major changes this protocol brings, and these old HTTP/1 best practices that we will have to give up! Continue reading On the way to HTTP/2: what to expect for front-end development?

DNS Mapping: one more feature for website speed tests with Dareboost

One more new feature has just been added to the advanced settings for our website speed tests, as for our monitoring and comparison features: the DNS Mapping. Thanks to this new option, you can now enforce one/many DNS resolutions. Let’s see why and how to use such a feature through a few examples. Continue reading DNS Mapping: one more feature for website speed tests with Dareboost

Why you should avoid using document.write, specifically for scripts injection

Web performance testing tools such as Google Page Speed or Dareboost have been advising this for a while: injecting a script with document.write has a significant impact on website loading time. Let’s talk about this topic one more time, as the next Chrome update (version 54) won’t allow such scripts injections any longer. What kind of issues may you experience? What are the alternatives?

Continue reading Why you should avoid using document.write, specifically for scripts injection

Major update announcement: HTTP/2 speed test support and more

Our team is glad to announce today our next major upgrade, planned deployed on 19th September, with a brand-new test probe technology. We’re detailing within this post all the evolutions and improvements. This is one of our biggest update, with amazing news such as HTTP/2 support and much more to discover…

Continue reading Major update announcement: HTTP/2 speed test support and more

Website analysis: new checkpoints in our test reports

UPDATE: New checkpoints described in this post are now available on dareboost.com!

Save this date: from June 23rd, new checkpoints will enrich our website quality test. This post aims to introduce you the new checkpoints before being live, so you’ll have time to correct your website (if needed) before our update… Avoiding, by this way, any drop of your DareBoost score!

Continue reading Website analysis: new checkpoints in our test reports