I've written two different posts on developing your site's meta tags, keywords and tuairiscí. Keywords will definitely assist in your site's in-aimsitheacht, ach cuideoidh tuairiscí le cuairteoirí innill chuardaigh cliceáil trí chur síos níos fearr a thairiscint.
Rather than program these optimizations as I've suggested, there are a couple plugins that can do the job for you.
Leis an Yoast Sinsearach plugin you can control which pages Google shows in its search results and which pages it doesn't show. Yoast not only helps you to customize the meta descriptions, it also provides you feedback on your keyword usage and a beautiful preview of how your page would look in the Search Engine Results page.
Cuireann Yoast rogha de Breiseáin Sinsearach Breiseán Sinsearach that I'd highly recommend as well.
Gach i One Sinsearach Pack
John Chow mhol an Gach i mBreiseán Pacáiste Sinsearach amháin but I never took a good look at the plugin until last night. Shame on me. The plugin does a fantastic job at utilizing your “Optional Excerpt” in WordPress as your single page's description.
Here's how the search engine result looks (you can click on the image to see the actual post):
That said, the All in One SEO Pack does a great job with the Description Meta Tag, but I don't believe it does as good a job with the Keyword Meta Tag. It simply assigns your selected Categories as keywords for your post, not nearly descriptive enough. You can set additional keywords for the post, but they're not utilized anywhere else.
That's where my next plugin recommendation comes in, Ultimate Tag Warrior. Here's how to ensure you don't write a keyword meta tag using the All in One SEO Pack, disable the option Use Categories for META Keywords:
Anois gach uair a scríobhann tú blagphost, bí cinnte an réimse Sliocht Roghnach a líonadh isteach le cúpla abairt shimplí a mheallfaidh níos mó cuardaighoirí cliceáil tríd chuig do phost: