Which One Is More Important To Google: Content Or Links?
Can new websites with great content outrank mediocre/established websites?
Can new websites with great content outrank mediocre/established websites?
You can have multiple H1 tags but do not overdo it, because Google’s algorithm can take H1 into account. Matt Cutts explains:
Does the position of keywords in the URL have a significant impact on your website ranking at Google?
Getting links from nofollow websites such as Wikipedia will not improve your ranking in Google.