Ok well this all depends on what type of site you have, is it niche? does it sell stuff ect,
google tends to index unique content and regularly updated stuff as well, and yes they also include websites that are popular,
what thing you really need to learn with google is its unpredictable, 1 day you can be first position on every keyword, and then next day you can be on 6 10 page, google mainly update there seo every 10 hours,
so some check points you need to cover!
1, make sure you content isn't copied from other websites,
2, your website needs to be informational give something to the users what they might like,
3, always up date your content every 2 - 3 days, google should crawl your website like a rash.