WordPress Plugins database keeps growing and now contains more than 15,000 plugins. Here are my Top 5 must have WordPress Plugins that I install at almost every WordPress site.

1- Contact Form 7

Contact form 7 makes it simple to add a contact form to your site. We use it for our contact form here at WPSmart.

Get it here: http://wordpress.org/extend/plugins/contact-form-7/

2- Google XML Sitemaps

Google XML sitemaps is a must to create sitemaps for your blog.

Get it here: http://wordpress.org/extend/plugins/google-sitemap-generator/

3-  W3 Total Cache

WordPress need to process tons of scripts and connections to database to create your page. This can cause significant slow response time for your site. W3 Total Cache caches your pages so they don’t need to processed every time someone visits your website.

Get it here : http://wordpress.org/extend/plugins/w3-total-cache/

4- WP Smush.it

Automatically compresses your images so you don’t have to do it manually.

Get it here: http://wordpress.org/extend/plugins/wp-smushit/

5- All in One SEO Pack

Must have for all your seo needs.

Get it here : http://wordpress.org/extend/plugins/all-in-one-seo-pack/