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"YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. Feature highlights: Grades web page based on one of three predefined ruleset or a user-defined ruleset; It offers suggestions for improving the page's performance; Summarizes the page's components; Displays statistics about the page; Provides tools for performance analysis, including Smush.it™ and JSLint."

"See which plugins are slowing down your site. This plugin creates a performance report for your site. This plugin creates a profile of your WordPress site's plugins' performance by measuring their impact on your site's load time. Often times, WordPress sites load slowly because of poorly configured plugins or because there are so many of them. By using the P3 plugin, you can narrow down anything causing slowness on your site."

"This test will list MX records for a domain in priority order. The MX lookup is done directly against the domain's authoritative name server, so changes to MX Records should show up instantly. You can click Diagnostics , which will connect to the mail server, verify reverse DNS records, perform a simple Open Relay check and measure response time performance. You may also check each MX record (IP Address) against 100 DNS based blacklists . (Commonly called RBLs, DNSBLs) "

"Reduce image file sizes and improve performance using the Smush.it API within WordPress. Yahoo's excellent Exceptional Performance series recommends optimizing images in several lossless ways: stripping meta data from JPEGs optimizing JPEG compression converting certain GIFs to indexed PNGs stripping the un-used colours from indexed images"

"Easily send emails from your WordPress blog using your preferred SMTP server SendinBlue's official plugin for WP is a powerful all-in-one email marketing plugin. At a glance: Subscribe forms - Create custom subscribe forms and integrate them easily in your posts, pages or sidebars Contact lists - Manage your contact lists and take advantage of advanced segmentation to improve your campaigns performance Marketing campaigns - Easily create and send beautiful newsletters using drag and drop builder or selecting from our template library Transactional emails - The wp_mail() function use automatically SendinBlue's SMTP for enhanced deliverability and tracking Statistics - Real-time dashboard giving you a global insight over deliverability and performance: opens, clicks, bounce reports, etc."

Pour cela, il suffit juste de changer 4 paramètres de PHP et pour y parvenir nous allons créé/édité le fichier .htaccess à la racine de votre FTP. (dans le dossier WWW) Et on va y insérer les lignes: SetEnv REGISTER_GLOBALS 0 SetEnv ZEND_OPTIMIZER 1 SetEnv MAGIC_QUOTES 0 SetEnv PHP_VER 5

Insights brings a powerful new way to write your blog posts. It increases productivity and at the same time quality of your posts. Insights performs following functions in real-time: * Interlink your posts * Insert Flickr images * Insert Youtube videos * Search Wikipedia * Search Google * Search Google News * Google Blog Search * Google Book Search

Insights brings a powerful new way to write your blog posts. It increases productivity and at the same time quality of your posts. Insights performs following functions in real-time: * Interlink your posts * Insert Flickr images * Insert Youtube videos * Search Wikipedia * Search Google * Search Google News * Google Blog Search * Google Book Search

This seems like a great guide to setup a high-performance WordPress server.

"GTmetrix can help you develop a faster, more efficient, and all-around improved website experience for your users."

What exactly is caching in WordPress all about? How should we employ caching to boost the performance of our websites? This article lists all the answers!

Rafflecopter makes it simple to set up and launch a giveaway promotion. With Rafflecopter, you can embed an entry form on your site that incentivizes users to perform tasks in exchange for entries into a sweepstakes.

"Improve WordPress image sizes generation and save your hosting space. If you were ever annoyed about the way WordPress handles images resizing, this is a plugin for you. What this plugin does is it optimizes the image handling in such a way that images are resized only when they are actually needed. What that means is that if your plugin/theme define a lot of image sizes, none of them will be generated on the image upload (like they would be usually), but only if they are actually requested in that size. Resizing is done only once and later normally served by WordPress, so there is no performance hit. Plugin also includes a method for removing all of the image sizes generated so far (useful when you install this plugin on a site with a lot of existing media)."