Blogs offer an avenue for delivering value to a global audience. They provide a hub for tutorials and walk-throughs, and an avenue for crafting and constructing resources that help individuals that are looking for useful information. The following 10 wildly-successful blogs make the cut with at least $1 million dollars in annual revenue. Seem impossible to do? It's not. All you need to do is stay persistent, deliver enormous amounts of value and build your audience slowly over time. Not overnight. Over time.

1. Huffington Post

Making $14,000,000 every month, Huffington Post is by far the most successful blog of its kind, likely valued today at well over $1 billion, making it a clever investment for AOL.

2. Engadget

The company makes a vast fortune from advertising and employs a number of writers and editors that are constantly providing sound advice on every type of gadget possible. It gathers approximately $5,500,000 per month as income.

3. Moz

The site largely makes its $4,250,000 income every month from a membership area that features professional tools and services to gain saturation, reach and visibility in the online space.

4. Mashable

The blog with $2,000,000 per month income primarily earns through advertisements in various different formats.

5. TechCrunch

With earnings of $2,500,000 per month TechCrunch is a massively successful blog that primarily covers news in the technology industry.

6. CopyBlogger

CopyBlogger's parent company, known as Rainmaker Digital, is constantly releasing useful online tools for digital marketers and perpetually educating the public on ways they can expand their reach through things like social media, blogging and search engine optimization. It earns a massive amount of $1,000,000 every month.

7. Perez Hilton

A controversial gossip website run by Mario Armando Lavanderia Jr. who earns his income – $575,000 per month – primarily through advertisements from a variety of sponsors that appear across the site.

8. Gizmodo

Launched in 2002, Gizmodo is a blog focused on subjects like design and technology and makes the majority of its earnings through advertisements. It earns $325,000 per month.

9. Smashing Magazine

With $215,000 per month, Smashing Magazine earns its income primarily from a membership area where users can sign up to consume a vast number of tutorials from its palette of educational content.

10. Tuts+

Tuts+ makes a whopping $175,000 per month and earn their income primarily through a membership area and commissions from sales of digital goods on their platform.

Source: Forbes