Part 7/8:
Finally, the most profitable of the bunch, DownForEveryoneOrJustMe.com, serves one simple function: checking if a website is down. With an impressive 2.4 million visitors monthly, this site is estimated to make over $39,000 monthly from ad revenue. It has found its niche by ranking well in search engines for queries that users frequently ask, demonstrating that effective SEO combined with a direct concept can lead to substantial profits.