SEOMate provides the tools you need to craft all your meta tags, sitemaps and JSON-LD microdata - in one highly configurable, open and friendly package, and with a super-light footprint.
SEOMate aims to do less! Unlike other SEO plugins for Craft, there are no Control Panel settings or custom fieldtypes. Instead, you configure everything from the plugin's PHP config file, which makes it easy and quick to set up, bootstrap and version control your configuration. All the data is pulled from your existing Craft fields, which makes for less maintenance over time, and keeps you in control of your data.
One more thing... SEOMate adds a super-awesome SEO preview functionality that taps into Craft's native Live Preview, giving your clients a nice and familiar interface to preview how their content will look on Google, Facebook and Twitter.