Group items tagged

"Tim Kaldec et Yoav Weiss se sont donc inspirés de ce mécanisme [Content Security Policy], pour le transposer au sujet de la performance web, en proposant un nouvel en-tête HTTP (Content Performance Policy) permettant de déclarer précisément le degré de compatibilité d'une page avec certaines bonnes pratiques de performance web. À la charge ensuite du navigateur web, de forcer l'application des bonnes pratiques annoncées qui ne seraient pas respectées par l'éditeur."

"platform closely monitors end-user performance and makes sure your content is always delivered by the fastest CDN. "

PunyPNG first analyzes the content of your image and figures out the best image format to use.

"while 75% of the top 100 retail websites employ a Content Delivery Network (CDN), the median home page takes a full second longer to become interactive than the median page that does not use a CDN"

content adaption without increased client latency

mod_pagespeed is an open-source Apache module that automatically optimizes web pages and resources on them. It does this by rewriting the resources using filters that implement web performance best practices. Webmasters and web developers can use mod_pagespeed to improve the performance of their web pages when serving content with the Apache HTTP Server.

Traditional Yahoo! web servers serve compressed content to only 'good' browsers, and always with "Cache-Control: private". Newer Yahoo! web servers serve compressed content if the incoming request asks for it. No check is performed on the UA.

bilan : - les sites US sans CDN délivrent aussi vite que les sites avec CDN - les sites sans CDN sont des sociétés plus petites qui appliquent mieux les recommendations performance web bien sur un CDN sert aussi à absorber la charge, pas juste à distribuer plus vite

I've started experimenting with my home page to make it load even faster. Amazon famously does this too which you can read more about in this Steve Souders post. They make sure everything that needs to be visible above the fold is loaded first, then, it starts loading all the other "stuff" below the fold.

Assez d'accord avec les commentaires , il faut éviter que le crawler passe sur la ressource dédiée au chargement des huits autres articles, sinon il y a un risque de duplicate content. Pour éviter cela il faut gérer des règles pour robots.txt, est-ce suffisant ? Le découpage je le fais plutôt au niveau du styling CSS et JS. J'inclue le style css indispensable à l'affichage et charge le reste . Bref il y aussi le risque de reflow dans ce cas.

Indian Cheap Escort In Dubai Model Cheap Escort In Dubai Massage Cheap Escort In Dubai Call Girls Cheap Escort In Dubai Vip Cheap Escort In Dubai Desi Indian Escort In Dubai Desi Pakistani Escort In Dubai Desi Call Girls Escort In Dubai Desi Punjabi Escort In Dubai

There was a time when doing a Website Load Test for a client using a Content Distribution Network (CDN) was an infrequent activity, but these days it's a common occurrence. There are more CDN suppliers of course, the newer ones such as MaxCDN, the traditional big names like Akamai and LimeLight, and some Datacentres such as UKFast offer CDN services directly to clients themselves.

One of the fun things about Velocity is all the great tools that people unveil over the course of the conference. Here are three that I've checked out so far and liked. If you have any to recommend, let me know in the comments.

"Blaze's cloud-based service automatically optimizes the code on a web page during the delivery process to ensure faster transmission of content and a faster rendering of the page, whether served to a PC, tablet or smartphone."