1. Mains Keywords in it:
This is one of the best seo pratice to rank posts better for specific keyworks; this works fine also for hight competitive keywords; I’ve used this pratice to rank website of mine called adslflat.net, for adsl flat keywords, one of the most competitive keywords here in Italy.
2. Max 12 Words lengh titles:
I write title lenght max 12 words, that is the maximum words that Google index.
3. Be Emotive:
This is a human factor, knock your visitors with a emotive titles.