Website analysis: PDF report (and white label option)

If you’re reading this blog post, you are certainly used to checking your website with Dareboost. It allows you to comply with the latest web best practices and to run advanced speed tests.

And we provide a lot of additional features! For instance, did you know about the PDF export and its white label option?

Let’s detail this feature, which is available for any of our reports (even triggered by our API or by our website speed monitoring feature, but also for our comparison report). Continue reading

Website Analysis: new checkpoints on Dareboost

UPDATE: Best practices described in this article are now available on!

Mark your calendars! We’re going to add new checkpoints on on Thursday, March 24th. In this article, I propose you to discover in details the changes of this update. So you should be able to correct your web projects before the update and to avoid any score drop on our tool!

Let’s talk about CSS quality, security and accessibility!

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Competitive benchmark and more with Dareboost

You have probably discovered through our free website analysis tool. The professional version of Dareboost goes a lot further,  allowing to monitor the performance of web pages, but also their technical quality.

Well, we have just enriched our monitoring features, allowing you to group several monitored web pages. So, you can now better organize your dashboard, and visualize data from several monitored pages within a single graph, but also their general trends!

monitor several locations

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HTTPs is a requirement for your website

About a year ago, I have published an article about HTTPs usage growth: Chrome, Firefox and Google Search: HTTPS forcing its way. In this article I detailed some major announcements, that would probably result in pushing HTTPs forward.  

Ever since, requests using HTTPs reach 25% according to HttpArchive data (compared to 15% in April 2015).

In this post, we’re going to focus on today’s results of the previous announcements, on the last changes, and especially on why you should consider HTTPs as a requirement for your website (not only for security or SEO considerations!)

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Content Performance Policy: One More Step For Web Performance?

It’s not usual on this blog, but today I’m going to write about a proposal that might become real, but that is still at its very early stage.

It is now more than a year since we added a recommendation about Content Security Policy with our website analysis on It’s a great feature to add more security to your website, particularly to prevent your visitors from the effects of an XSS attack.   

The idea behind CSP is to allow website owners to offer a security policy that will next be applied by the web browser. For instance, it allows to whitelist explicitly some JavaScript files, or to ensure the use of HTTPs to request each resource within the page.  

Tim Kaldec and Yoav Weiss borrowed the CSP general concept to apply it to web performance topic, proposing a new HTTP header (Content Performance Policy), allowing to declare precisely the compliance level of a given page with some web performance best practices. Then, the user agent would be responsible to ensure the effectiveness of the announced best practices.   Continue reading

Website Speed Test, Dareboost tips for reliable results

If you’re reading this blog, you probably know that load time matters when it comes to user experience, a lot. And it’s even a major factor determining the success of a website.  

Server response time, speedindex or start render, or again fully loaded time, whatever is the metric you want to collect, your measurement method should take into account several major parameters if you want reliable results through time. Continue reading