Hey guys getting back into SEO now, other than building backlinks ect, whats a current good guide on onsite SEO. A few years ago I know metatags and keywords in the header were important as well as having ur keywords in header tags <h1> ect... and that was it? Have things changed? Whats the best onsite optimization? If anyone can link me to threads/guides/sites that are up to date it'd help alot.