1. All in One SEO Pack

Free version Pro version ($69)

• Support for Custom Post Types
• Advanced Canonical URLs
• Fine tune Page Navigational Links
• Built-in API so other plugins/themes can access and extend functionality
• ONLY plugin to provide SEO Integration for WP e-Commerce sites
• Nonce Security
• Support for CMS-style WordPress installations
• Automatically optimizes your titles for search engines
• Generates META tags automatically
• Avoids the typical duplicate content found on WordPress blogs
• For beginners, you don’t even have to look at the options, it works out-of-the-box. Just install.
• For advanced users, you can fine-tune everything
• You can override any title and set any META description and any META keywords you want.
• Backward-Compatibility with many other plugins, like Auto Meta, Ultimate Tag Warrior and others.

2. Smart SEO

Buy ($20)

• Autocheck current post
• Autocheck timing – in seconds
• Title separator (default – )
• Seo title position – in admin post listing
• Show smartSeo score
• On plugin deactivate – remove all current settings on plugin deactivate. Reset to default.
• Keyword in title tag
• Keywords in description
• Keywords in keywords
• Keyword in alt text
• Keywords in H1, H2, H3
• Keywords in font style

3. SEO Ultimate

Download (free)

• Title Tag Rewriter
• Noindex Manager
• Meta Editor
• Canonicalizer
• 404 Monitor
• Linkbox Inserter
• File Editor
• Slug Optimizer
• Competition Researcher
• More Link Customizer
• Internal Relevance Researcher
• Deeplink Juggernaut
• Code Inserter
• Rich Snippet Creator
• Sharing Facilitator