WordPress Plugins that you may need on your blog

These are some of the most popular WordPress plugins that you can have on your blog: 

Akismet

This plugin checks your comments against Akismet Web service to see if they look like spam or not and lets you review the spam that it catches under your blog’s comments admin screen.

All in one SEO pack 

WordPress SEO plugin to automatically optimize your WordPress blog for Search Engines

Contact Form 7

This plugin can manage multiple contact forms, in addition, you can customize the form and the mail contents flexibly with simple markup. The form supports Ajax-powered submitting CAPTCHA, Akismet spam filtering etc.

Google XML Sitemaps 

This plug-in will generate a special XML Sitemap which will help Search Engines like Google, Bing, Yahoo and Ask.com to better index your blog. With such a sitemap, it is much easier for the crawlers to see the complete structure of your site and retrieve it more efficiently.

WP Super Cache 

This plugin generates static html files from your dynamic WordPress blog. After a html file is generated your webserver will serve that file instead of processing the comparatively heavier and more expensive WordPress PHP scripts. 

NextGEN Gallery 

It provides a powerful engine for uploading and managing galleries of images, with the ability to batch upload, import meta data, add/delete/rearrange/sort images, edit thumbnails, group galleries into albums etc.

WPtouch 

This plugin automatically transforms your WordPress website for mobile devices, complete with ajax loading articles and smooth effects when viewed from popular mobile web browsing devices like the iPhone, iPod touch, Android mobile phones, BlackBerry OS6+ mobile devices etc.

Google Analytics for WordPress

With this plugin you can Track your WordPress site easily with lots of metadata views per author & category, see automatic tracking and of outbound clicks and page views.

WordPress Importer

Imports pages, comments, custom fields. categories, tags and more from a WordPress export file.

Jetpack by WordPress.com

Jetpack is a WordPress plugin that supercharges your self-hosted site with the cloud Power of WordPress.com

WP-PageNavi

This plugin provides the wp pagenavi() template tag which generates fancy pagination links.

Fast Secure Contact Form

This plugin allows a webmaster to easily create and add contact forms to WordPress. This contact form will let the user send emails to a site’s admin, and also send a meeting request to talk over phone or video. An administration panel is present where the webmaster can create and preview unlimited forms.

Share Buttons By Lockerz/AddToAny 

This Plugin will help you share, bookmark, and email your posts and pages using any service such as Facebook, Twitter, Google, Digg, Delicious and over 100 sharing and social bookmarking sites.

WordPress SEO by Yoast

This plugin helps you improve your WordPress SEO, write better content and have a fully optimized site.

WP e-Commerce 

WP e-commerce is a shopping Cart plugin that lets customers buy your products, services and digital downloads online.

Yet Another Related Posts Plugin (YARPP) 

This plug-in gives you a list of posts and or pages related to the current entry, introducing the reader to other relevant content on your site.

Google Analyticator 

This one adds the necessary JavaScript code to enable Google Analytics logging on any WordPress blog. This eliminates the need to edit your template code to begin logging.  Google Analyticator also includes several widgets for displaying analytics data in the admin and on your blog.

TinyMCE Advanced

This plugin adds 16 plugins to TinyMCE. Advanced HR, Advanced image, Advanced Link, Advanced List, Context Menu, Emotions (Smiles)., Date and Time, IESpell, Layer, Nonbreaking, Print, Search and Replace, Style, Table, Visual Characters and XHTML Extras.

Really Simple CAPTCHA 

This plugin does not work alone, it is intended to work with other plugins. It is originally created for contact Form 7, however you can use it with your own plug-in.

Sociable

After introducing Sociable skyscraper, the ultimate advanced and feature-packed plugin for setting up a rating system on your WordPress blog. It is a sort of banner that reminds your readers to spread the word. You can select and customize several features such as text, color and length in order to ensure your readers and their friends a great sociable Experience.

GTrans 

It makes your blog available to the world using Google Translate.

Broken Link Checker 

This plugin will monitor your blog looking for broken links and let you know if any are found.

Smart YouTube Pro 

Smart YouTube is a professional WordPress Video plugin that allows you to easily insert Videos/playlists into your post, comments and in your RSS feed.

WP-DB-Backup

WP-DP-Backup allows you easily to back up your core WordPress database tables. You may also backup other tables in the same database.

WP-Polls 

This is extremely easy to customize via templates and css styles and there are many options you can choose from to ensure WP-polls runs the way you want.

Redirection

This is a WordPress plugin to manage 301 re-directions, keep track of 404 errors, and generally tidy up any loose ends your site may have. This can be useful especially when you are migrating from an old website or changing the directory of your WordPress installation.

BuddyPress

This plugin lets users sign-up and start creating profiles, posting messages, making connections, creating and interacting in groups and much more.

W3 Total Cache 

Improves site performance and user experience via caching: browser, page, object, database, minify and content delivery network support.

You may also read: 

• Important tips to note when installing WordPress plugins
• Benefits of Choosing WordPress as a Content Management System (CMS)
• How to Improve the WordPress Site Speed & Performance
• 3 Simple Steps to Choosing the Best WordPress Hosting
• Key differences between WordPress.com and WordPress.org