The first page of top rated is a great introduction to SCP history and gets you an understanding of the format, but once you have a feel for it I recommend the

The first page of top rated is a great introduction to SCP history and gets you an understanding of the format, but once you have a feel for it I recommend the top rated pages by year: https://scp-wiki.wikidot.com/top-rated-pages-by-year https://scp-wiki.wikidot.com/top-rated-pages-by-year