These are the most common. You simply go to a website, type the URL you want to visit into a bar on the page, and browse within that window.
More versatile than web proxies, these can handle different types of traffic (like gaming or torrenting) rather than just web pages. unbl0cked pr0xy
Browser extensions (often found in the Chrome Web Store) provide more convenience and often faster speeds than web proxies. These are the most common