WordPress.org

The original SEO plugin for WordPress, downloaded over 30,000,000 times since 2007.

By: Michael Torbert, Steve Mortiboy, Dougal Campbell, Peter Baylies, and anderen.

This plugin will generate a special XML sitemap which will help search engines to better index your blog.

By: Arne Brachhold.

The best Google Analytics plugin for WordPress. See how visitors find and use your website, so you can keep them coming back.

By: chriscct7 and Syed Balkhi.

Search Engine (SEO) & Performance Optimization (WPO) via caching. Integrated caching: CDN, Minify, Page, Object, Fragment, Database support.

By: Frederick Townes.

Use Google Analytics on your WordPress site without touching any code, and view visitor reports right in your WordPress admin dashboard!

By: ShareThis.

Share buttons for WordPress including the AddToAny sharing button, Facebook, Twitter, Google+, Pinterest, WhatsApp, many more, and follow icons too.

By: micropat and addtoany.

ManageWP is the ultimate WordPress productivity tool, allowing you to efficiently manage your websites.

By: managewp and Vladimir Prelovac.

Easily view your Google Analytics and real-time statistics inside WordPress! Makes it super simple to add your tracking code too.

By: noahkagan.

Complete statistics for your WordPress site.

By: Greg Ross and Mostafa Soufi.

SEO Friendly Images automatically adds alt and title attributes to all your images improving traffic from search engines.

By: Vladimir Prelovac.

This all-in-one SEO plugin gives you control over meta titles & descriptions, open graph, auto-linking, rich-snippets, 404 monitoring, siloing &am

By: Jeffrey L. Smith, John, Aleksandar Djuric, and M Rub Shuvo.

The official AdSense Plugin, written by Google. Provides support for AdSense as well as Webmaster Tools.

By: Google.

Automatically publishes blogposts to profiles/pages/groups on Facebook, Twitter, Instagram, Google+, Pinterest, LinkedIn, Blogger, Tumblr ... 22 more

By: NextScripts.

Adds links to all of your social media and sharing site profiles. Tons of icons come in 3 sizes, 4 icon styles, and 4 animations.

By: noahkagan.

A simple plugin that enables you to add share buttons to all of your posts and/or pages.

By: Simple Share.

A WordPress XML Sitemap plugin that comes with support for Sitemap Index, Multi-site and Google News sitemap. Image sitemap is supported, too.

By: Khang Minh.

The WP Google Fonts plugin allows you to easily add fonts from the Google Font Directory to your WordPress theme.

By: Adrian3.

Lightweight, modern looking and effective social media sharing and profile buttons and icons. All your social media needs in 1 easy package!

By: socialmediafeather.

Quick Adsense offers a quicker & flexible way to insert Google Adsense or any Ads code into a blog post.

By: toddynho and Philip Ze.

Save your wordpress blog from getting tagged as ping spammer. This plugin is a fork of the cbnet Ping Optimizer plugin.

By: Pankaj Jha.

MapPress is the most popular and easiest way to create great-looking Google Maps and driving directions in your blog.

By: chrisvrichardson.

A calendar system with many views, upcoming events widget, color-coded categories, recurrence, and import/export of .ics feeds.

By: uchu, Calvin, raquelleira, renatotbueno, Eli, Rik Logtenberg, farmer paul, and anderen.

Create forms and manage submissions easily with a simple interface. Contact forms, subscription forms, or other forms for WordPress. Absolutely FREE!

By: amoCRM.

Platinum SEO Plugin offers Complete onsite SEO solution for your WordPress blog.Platinum SEO Plugin offers all the functionalities of All In One SEO p

By: Techblissonline Dot Com (Rajesh).

XML and Google News Sitemaps to feed the hungry spiders. Multisite, WP Super Cache, Polylang and WPML compatible.

By: RavanH.

Put your own details into a modified version of Automattic's "Terms of Service" and "Privacy Policy". 3 shortcodes available.

By: Clifford Paulick.

Generate and add XML sitemap to WordPress website. Help search engines index your blog.

By: bestwebsoft.

A simple and intuitive, yet elegant and fully documented Google map plugin that installs as a widget and a short code.

By: RobertHarm, alexanderzagniotov, and Waseem Senjer.

SEO Smart Links provides automatic SEO benefits for your site in addition to custom keyword lists, nofollow and much more.

By: Vladimir Prelovac.

Allows your site to use common javascript libraries from Google's AJAX Libraries CDN, rather than from WordPress's own copies.

By: Jason Penney.