1 private link
List of various Web Performance Tools
Excellente Cheatsheet Git, qui a le mérite de souligner les interactions entre les différentes zones du dépôt.
"The abandonment rate for mobile shopping carts is 97%, compared to 70-75% for desktop carts. We also know that performance is a significant abandonment factor. Slow pages are the number one user complaint around mobile sites, ranking even higher than site crashes. And when faced with a bad mobile shopping experience, 43% will go to a competitor’s site next."
"One good practice in web performance optimization is to “put script at bottom”.
The reason is that while scripts are loading, most browsers block others components from loading.
When you put your scripts at the bottom of the HTML document, all components can be loaded without delay, and, in the end, scripts can be loaded.
However, doing this way has some drawbacks :
One is that the loading of externals scripts is delayed after all other components. Then, browsers have to execute it and the onload event of the page can also be delayed due to this late loading.
Another major drawback is the presence of inline <script> in the <body>.
Of course, as externals scripts are loaded at the end of the page, any inline script that needs to use it has also to be pushed at the end of the page. This can be quite easy when the HTML page is hand-made.
But in most cases, HTML document scripts are added by several modules provided by a CMS or jQuery plugins. And these modules often have inline javascript in order to initialize behaviors related to the functionality they provide, when the document is ready.
Especially when working with jQuery, if you load it at the bottom, all preceding jQuery('document').ready() calls will fail.
I’ve been wondering for a long time if it would be possible to get rid of these drawbacks while reaching the following goals:
early external jQuery loading
non blocking jQuery loading that allow other components on the same page to be loaded in parallel, including jQuery plugins
non blocking inline script in the HTML document, that could call jQuery('document').ready(), even when jQuery and its plugins havent’ been loaded yet.
jQl is my solution."
Les données viennent de l'ancien tableur créé par Eric Daspet qui est depuis tombé en désuétude.
Plugin Grunt permettant d'exécuter Google Pagespeed Insights en ligne de commande.
Un script pour récupérer la couleur dominante et la palette d'une image donnée.
"Get your Frontend JavaScript Code Covered"
"Some JavaScript engines, such as V8 (Chrome) do not optimize functions that make use of a try/catch block as the optimizing compiler will skip it when encountered. No matter what context you use a try/catch block in, there will always be an inherent performance hit, quite possibly a substantial one."
Je ne le dirais jamais assez...
Module Chrome, Firefox, Safari et Thunderbird permettant d'utiliser facilement la syntaxe Markdown dans les mails.
Si vous avez développé avec Symfony 2, vous avez sûrement apprécié la barre d'information de debug proposée par défaut. Le même type de service est offert par Glimpse pour ASP.NET. Un Must-Have qui réduit drastiquement le nombre de recompilations !
