WordPress.org

One of the most downloaded WordPress plugins (over 30 million downloads since 2007). Use All in One SEO Pack to optimize your site for Search Engines.

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

WP-Optimize is WordPress's most-installed optimization plugin. With it, you can clean up your database easily and safely, without manual queries.

By: David Anderson, ruhanirabin, DNutbourne, aporter, and snightingale.

Easily redirect pages/posts or custom post types to another page/post or external URL by specifying the redirect URL and type (301, 302, 307, meta).

By: anadnet.

Updates all urls and content links in your website.

By: VelvetBlues.com.

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.

Meta Box plugin is a powerful, professional solution to create custom meta boxes and custom fields for WordPress websites.

By: MetaBox, Anh Tran, FitWP, f-j-kaiser, funkatronic, Per Wiklander, ruanmer, and others.

This plugin allows you to add extra scripts to the header and footer of your blog by hooking into wp_head and wp_footer.

By: WPBeginner, iamdpegg, Syed Balkhi, and Tim Carr.

The Custom Field Template plugin extends the functionality of custom fields.

By: Hiroaki Miyashita.

Easily add an ajax-enhanced login widget to your WordPress site sidebar.

By: Mike Jolley.

Controls almost every aspect of your site's meta-data, including advanced tagging, Analytics, and dozens of plugins. The best WordPress SEO solu

By: John Godley.

Inserts Facebook Open Graph, Google+/Schema.org, Twitter and SEO Meta Tags into your WordPress Website for more efficient sharing results.

By: Marco Almeida | Webdados and wonderm00n.

Facebook like box plugin will help you to display Facebook like box on your wesite, just add Facebook Like box widget to your sidebar and use it. Also

By: smplug-in.

A custom fields management UI

By: Matt Gibbs.

Adds a checkbox in the insert link popup box for including rel="nofollow" in links as you create them; as well as other tools that provides

By: Luke Mlsna and keesromkes.

SEO Plugin By Squirrly is for the NON-SEO experts. Get Excellent SEO with Better Content, Ranking and Analytics. For Both Humans and Search Bots.

By: Calin Vingan, Florin Muresan, and Nagy Paul Sorel.

Easily add and manage custom meta tags to various parts of your site or on individual posts, such as Yahoo and Google verification tags.

By: Marcus and Freemius.

Clone of the standard Meta widget plus options to hide log in/out, admin, feed and WordPress.org/custom links.

By: Luke Mlsna.

Remove meta author and date information from posts and pages. Hide from Humans and Search engines.SEO friendly and most advance plugin.

By: Prasad Kirpekar.

Configure over 100 separate on-page SEO characteristics. Load around 700 lines of code per page view. No junk: just high performance SEO at its best.

By: gregmulhauser.

The most popular Five Star Review System on the web. User-friendly ratings for: posts, pages, comments, WooCommerce, BuddyPress and bbPress forums.

By: RatingWidget, vovafeldman, Leo Fajardo ★ RatingWidget, and Freemius.

Starbox is the Author Box for Humans. Professional Themes to choose from, HTML5, Social Media Profiles, Google Authorship

By: SEO Squirrly, Calin Vingan, and Florin Muresan.

WP Meta SEO gives you the control over all your meta content and images. Bulk SEO content and image optimization, SEO on page, 404 & redirect

By: JoomUnited.

This plugin provides easy and quick use facebook like box widget in your blog. You can fully customize facebook like box in easy way.

By: Webshouter.

Facebook like box Widget plugin will help you to display your Facebook like box on your website. You can easily add the Like box into your widgets, th

By: wpladge.

Search engine optimize your blog's title tags. Mass edit the title tags of posts, pages, category pages, tag pages - indeed, any URL!

By: Stephan Spencer.

The SEO Framework plugin provides an automated and advanced SEO solution for your WordPress website.

By: Sybre Waaijer.

Adds Open Graph tags to your blog. Control how your posts and pages are presented on Facebook and other social media sites. No configuration needed.

By: Martin Lormes.

Adds Meta keywords and Description to each and every page, post, archive.

By: Durgesh Chaudhary.

Widget with login, logout, admin and register links. Replacement of the default Meta widget.

By: webvitalii.

Simple and effective SEO. Non-invasive, elegant. Ideal for client facing projects.

By: FolioVision.