If I am making a small website For example: on cars My keyword for my homepage is 'fast cars' Should I focus on this keyword for all pages or for example if I have an article on subcategory eg 'ford' should I focus on the keyword 'ford' for that particular page. I hope that my question isn't too confusing.
No, it would be best to use unique keywords for different pages, otherwise they will all be diluted in value and rank for nothing.
NO, it is not necessary to target same keywords for whole site. you can categorized keywords for each page and target group of keywords per page. for example your are having car site now you can create following pages.. 1) ford-car keywords: ford car online drive ford car ford car accessories 2) toyota-car keywords: Toyota car online Toyota car accessories you can target keywords in this way.. i hope it is clear now all the best
Yep, they're right! You can even optimize each pages using different meta titles/descriptions other than the keywords only.