Search Engine Optimization (SEO) is a complex of methods which are taken to make the Website interesting and comfortable not only for people, but for different search engines as well. SEO internal optimization works on the raise of relevance of each page of a certain site. Relevance is the compliance of an Internet page with the user’s request. The more useful (in other words – relevant) answer to the user’s question, the higher position the site will get in search ranking. 
WordPress is the most popular CMS free self-hosted platform that originally has awesome SEO set straight from wordpress installation owing to its open source code, fast loading, nice text editing functions, and a huge number of various SEO plugins. Matt Cutts from Google calls WordPress "a fantastic sample of the software".

Once WordPress is installed and configured, content is ready, you start looking for effective and powerful SEO solutions not only to inform to search engines your website, as well as to hold first places as long as possible in search results meeting users requests. Here comes TOP BEST SEO plugins that will definitely push any website to the top.

1. SEO POST CONTENT LINKS by WPAdm

It is an effective SEO plugin for website internal optimization and promotion based on keywords that provides long-lasting promotion effect for a site / online-shop and is able to jump any website up even with very low ranging to the top pages and places in search results.

Main features and advantages:

- user-friendly interface;

- logical link-building;

- spread link building equally; 

- legal way of website promotion - so called white hat optimization;

- increases website weight;

-ability to specify own keywords for links;

- definitely improves indexing;

- boosts sales;

- improves user navigation;

- builds internal link on relevant content;

- automated link-building;

-has free and pro versions;

-high rating (4.7 out of 7);

- long-lasting effect;

-responsive 24/7 support
How it works?

It is focused on building logical internal links (hyperlinks) on relevant posts and pages. All the link creation is automated that significantly saves time. The user can specify keywords / word roots from which the link should be created by himself or the plugin can generate them automatically according to the content topic.

Even free version has enough of nice abilities for successful website optimization.

PRO feature gives an ability to customise links, choose specific posts, pages and categories from which to link this or that posts, page, category, as well as to choose color, font of the link, make the link ‘follow’ or non-follow’, build links to H-tags, etc.

2. YOAST SEO

Another efficient SEO plugin for website optimization. It works more like a helper to create perfect content, meta-tags and description for your post as it gives short hints how to do it. Its main advantage that it create XML site map automatically that informs search engines about website existence.

Main features and advantages:

- XML sitemap;

- high rating and installs;

- content analysis;

- editor of seo titles, meta-tags,descriptions;

- automated search for keywords;

How it works?

The plugin requires enough time to configure all its settings. Half of way it makes by itself but there is a long list of various settings that you need to fill and then the plugin will analyse it make some corrections if needed. Automated XML sitemap will save you time from applying a sitemap on all search engines webmaster consoles, owing to it search engines bots will find out about your site quickly that increases indexing. Well in general using this plugin you will get higher ranking, traffic and place in search results.

3. All in One SEO PACK

This plugin is similar to YOAST, has almost the same features but less and it’s interface and features are easier to configure. Can be useful for newbies. It also has automatic creation of XML sitemap, meta-tag, description and titles editing etc.

To sum it up. All the reviewed plugins are the best seo solutions for any wordpress site, blog or web-shop that significantly can improve website indexing in serch engines. If you have an online-store and you want to let your customer to see as much goods as possible then for sure you'd better use SEO Internal linking that will navigate your customer to posts and pages with goods you want to sell.