If you are going to optimize your website these thing should be considered...
1. In Title: you should insert your targeted keyword that makes a sentence.
2. In Description: Your web description should not longer than 250 characters and try to put your targeted keyword in fist line of description.
3. In Keyword: put your all keywords in keyword mete tag and don’t repeat any keywords
It will help you to increase your website ranking in search engine results.