10 of the Best WordPress Plugins for SEO

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With so many awesome (and free) WordPress SEO plugins available, I had a really hard time picking my favourites.  However, I was able to choose 10 of the best free WordPress plugins designed to help you optimise your blog or website for search engines!

All in One SEO Pack

If you’re looking for just one free plugin to help you optimise your WordPress blog or website for search engines, then I strongly recommend using  All in One SEO Pack!  This free WordPress plugin enables you to create advanced Canonical URLs and custom Page Navigational Links, and it automatically generates META tags and optimises your titles for search engines.  All in One SEO Pack is a great plugin for amateurs and advanced users alike because it works right out of the box, but it can also be customised to meet the exact needs of your website or blog.

SEO Smart Links

Linking keywords in your posts with other pages, posts and categories on your WordPress blog is great for SEO, but it can be extremely tedious and time consuming.  Thankfully, SEO Smart Links, a free plugin for WordPress, not only automatically creates these links for you, but it also makes it easy for you to change your links to nofollow and create a list of your own keywords and a set of corresponding URLs.  If you want a plugin that will save you time, then you should definitely download SEO Smart Links!

404 Plugin

Want a simple plugin to help you make even your 404 pages more search engine friendly?  Then check out 404 Plugin!  If one of your site’s visitors mistypes a URL or tries to go to a missing page, this free WordPress plugin will use the terms in the URL that wasn’t found to provide them with links to relevant pages on your site.  Not only will your site’s visitors find this plugin really helpful, but it also has the potential of increasing your search engine ranking!

SEO Friendly Images

Using the appropriate ALT and TITLE attributes for the images on your WordPress blog or website is good for search engine optimisation, but it can take a lot of time if you have a large amount of images on your site.  However, SEO Friendly Images, a free WordPress plugin, allows you to automatically add the proper TITLE and ALT attributes to photographs without these tags.  Once you’ve activated this plugin, just modify the ALT and TITLE options via your Options pages, and SEO Friendly Images does the rest of the work for you!

Simple Submit SEO

Social networking/bookmarking sites like Delicious and Digg are great for increasing traffic and building links to your WordPress blog or website, but you have to make it easy for your site’s visitors to submit your posts to these websites.  With Simple Submit, a free WordPress plugin, you can easily add links to your site for visitors to submit your pages and posts to social bookmarking sites, and you can add these links to the pages and posts of your choice (i.e., home page, posts page, all pages, single post pages, archive post pages, etc.)

Greg’s High Performance SEO

Greg’s High Performance SEO is a free plugin for WordPress that enables you to control over 100 important on-page characteristics for SEO in the following areas:  main title, head section, secondary description, secondary title, paged comments, and duplicate content.  Plus, this plugin was designed with compatibility and performance in mind, so it works well with other plugins and uses far fewer lines of code for each ordinary page view than similar SEO plugins.  If you want a powerful SEO plugin that won’t sap performance, then you should give Greg’s High Performance SEO a try!

Keyword Statistics

If you’re new to SEO, then I definitely recommend using Keyword Statistics for your WordPress website or blog!  This free plugin provides keyword density statistics for your pages and posts, automatically generates META keywords and descriptions, allows you to set unique titles for posts and pages, and much more!  Plus, Keyword Statistics is easy to install and configure, making it a great SEO plugin for beginners!

SEO SearchTerms Tagging 2

This free WordPress plugin helps you optimise your website for search engines by determining your blog or website’s most popular incoming search terms and creating new links to posts using these keywords or phrases.  SEO SearchTerms Tagging 2 enables you to display these search terms by popularity, limit the number of search terms shown, automatically convert popular search terms into tags, automatically delete unused terms after a specified number of days, and much more!

SEO Ultimate

This free WordPress plugin has tons of great features, including a Title Rewriter, Meta Editor, Noindex Manager, and Canonicalizer, but the most unique feature of this SEO plugin is the Competition Researcher.  SEO Ultimate’s Competition Researcher will provide you with useful information about other websites, such as the number of websites linking to your competition, the number of webpages competing for your chosen keywords, the incoming link profiles of your competition, and much more!  SEO Ultimate is the perfect plugin for webmasters who are serious about search engine optimisation.


If you want to know how many times a blog entry on your WordPress site has been viewed, then you need to download pixelstats, a free plugin that tracks every time someone reads one of your articles, even via an RSS feed.  This plugin will provide you with the statistics you need to gauge the effectiveness of your SEO campaign, including your 10 most popular articles, the number of unique views, the number of total views, the total number of article views for a given time period, detailed statistical information for each blog post, and more!

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  1. On December 3, 2010 at 9:23 pm

    Blog Creator said:

    Great tips, especially the “SEO Friendly Images” one, didn’t think about using alt tags for SEO, keep up the great work!

  2. On November 26, 2010 at 12:37 pm

    Thomas Pedersen said:

    Great post. I use most of these plugins myself but havent heard of the one called Keyword Statistics, but it sounds interesting So I think I have to take a look at that for my own blog.


  3. On November 22, 2010 at 5:21 pm

    ecommerce optimization said:

    I’ve use SEO Ultimate and it’s pretty good. It’s nice to have a plugin that allows you to easily control so many on-page factors- mete descriptions, auto links, title descriptions, etc. The functionality is great as well

  4. On November 19, 2010 at 11:25 pm

    Cebu Events Blogger said:

    Amazing list of plugins. Thanks for this, Cat. I haven’t tried the 404 plugin yet. Cheers. (:

  5. On November 15, 2010 at 12:47 pm

    Nishadha said:

    Great set of plug-ins. Although all in one SEO will do most things required for someone who isn’t too much into SEO. Another good way to use smartlinks is to automate your affiliate marketing so you never want have to worry about linking to affiliate products in every single post. Pixelstats relies on an image being downloaded, so it might not give accurate results if you have many e-mail RSS subscribers since most e-mail clients block downloading images by default.

  6. On November 10, 2010 at 9:04 pm

    Steven Redman said:

    This is awesome… I’m always nervous installing multiple SEO plugins because I don’t want them to conflict with one another. Analytics as mentioned above is great, and having the analytics on the dashboard makes a world of difference.

  7. On November 10, 2010 at 1:40 am

    Billy said:

    Thanks very much for resources you have shared about those essential plugins..

  8. On November 6, 2010 at 5:54 am

    Steve said:

    I started using Pretty Links for link cloaking after Shawn Collins recommended it.

  9. On November 4, 2010 at 6:03 pm

    Steve@Email Address Lookup said:

    These SEO tips are very effective. I currently have all in one seo pack and seo smart links installed on my wordpress blog. Thanks for sharing this because I can definitely use keyword statistic, I think I am going to give that one a try. I also think google analytics is a valuable plug in as well.

  10. On October 29, 2010 at 10:19 am

    Joby Mathew said:

    Great WordPress SEO TIPS

  11. On October 26, 2010 at 5:16 am

    HirePulse said:

    This a pretty good list you’ve got here. I also get quite a bit of traction out of the ‘Redirection’ plugin – to quickly and easily perform 301 redirects for deprecated content, and the ‘Broken Link’ plugin too – which helps you keep tabs on broken links.

  12. On October 25, 2010 at 6:52 pm

    neil martin said:

    Ill agree with all your plugins here. WordPress is an amazing blogging platform, that Google just loves.