Using a standard CMS like Wordpress or Joomla there are standard plugins that will make your live easier as a webmaster, on the other hand you can use a wide range of browser extensions Add-ons for Firefox and for Chrome as well.
The most used platform on the web these days is Wordpress, is simple and flexible and helps publisher putting their content fast online. Even if is easy to use and may have a simplistic menu and configuration options, is quite powerful and a lot of the tops on the web use it. There are a lot of plugins that can help you customize you seo settings. One of the most popular and for my point of view "most updated", ( in this business you have always up-to-date ) is All in One SEO Pack. Here are some of the features: