Each year the GenealogyInTime Magazine publishes a list of the top 100 genealogy websites. Since this can be a subjective venture, the first page of the article explains the methodology used so you know how the listing was arrived at.
The values of the list, in addition to the ranking, is that it lists sites you may not be familiar with that could be of value in your research. Each site is marked as either "Pay" or "Free" and each also provides a hotlink to the sites' home pages.
You can find the article and list at: Top 100 Genealogy Websites of 2015:
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