HTML websites have elements, also known as HTML Tags. MDN provides a detailed list of HTML elements with descriptions.

HTML Goodies: find a variety of knowledge based articles and tutorials regarding web development, including HTML, programming, coding, JavaScript, PHP and many other web development and programming languages.

HyperText Markup Language Free WikiBook consists of 25 chapters describing how to program with HTML, including document layout examples, code examples, tag, element and attribute descriptions, a special character reference, a brief overview of forms and CSS and much more.

HUD: Department of Housing and Urban Development: housing services, including the purchase of homes, rental assistance, foreclosures avoidance, services for the homeless and veterans, housing vouchers, including section 8 housing and much more.

Stream television shows, movies and many other types of entertainment, including live television shows and movies online at Hulu.com.

Hungry Howies pizza restaurants: home of the Original Flavored Crust Pizza.

Hungry Jack food items, including mashed potato mixes, pancake and waffle mixes and syrups, recipes and much more.

ICW: Insane Championship Wrestling: professional wrestling, events, videos, rosters and much more.

Idahoan Foods: Idahoan Mashed Potatoes, Mashed Potato Pouches, including flavored, chicken broth and original, hash browns, recipes and much more.

Igourmet: gourmet gift baskets, including gift baskets with Cheeses, crackers, appetizers, sweets and specialty foods, gift boxes, specialty ingredients and much more.

IHOP restaurants serve a variety of breakfast foods, including pancakes, omelettes, French toast and breakfast combos, lunch and dinner's meals, deserts and beverages, with many of their restaurants open 24/7 and much more.

Impact Wrestling league: wrestler profiles, events, previews, news, wrestling match results and much more.

IMTalk: message boards about Internet Marketing, Search Engine Optimization, Money Making Ideas, Web Planning and Development and other topics.

Industrial Metal Supply: find a variety of metals in numerous shapes, alloys, and sizes.

Instagram: a creative way to capture, edit and share photos, videos and messages online and within groups.

Instructables is a community for people who like to make things. Explore, share, make things with instructions from instructables.

InStyle magazine features lifestyle, beauty, fashion, celebrity, political, health and fitness news stories, videos and much more.

International Catalogue Of Superheroes: a database of superhero characters from all over the world, mostly superhero's who aren't as well known as today's most popular superhero's, including superhero's from Britain, France, Canada, Australia and Japan, among many additional countries.

iUniverse self-publishing gives authors the opportunity to self-publish their books.

Jackie Robinson's Baseball Hall of Fame webpage. Jackie Robinson was the first African-American Baseball player to play in the major leagues, the winner of the 1947 Rookie of the Year, the 1949 NL MVP, a Hall of Fame-er and much more.