SEO Friendly Images
SEO Friendly Images wordpress plugin automatically updates all the images with necessary seo ALT and TITLE attributes. If the images do not have ALT and TITLE already set, this plugin will add them according the options that are configured in the plugin settings. Additionally this makes the post W3C/xHTML valid as well.
ALT attribute is most important part of search engine optimization. It describes the images information to search engine and when a user searches for a certain image alt is a key determining factor for a match.
TITLE attribute play lesser role compare with the Alt attribute but is important for visitors as this text will automatically appear in the tooltip when mouse is over the image.
This will derive the image search traffic to the website that’s the reason SEO Friendly Images take presence in this best seo plugins list.
Latest Version: 3.0.5
Plugin Supports: WordPress 2.7 or higher.
Plugin Link: http://wordpress.org/plugins/seo-image/