If you spend a lot of time online, chances are you’ve heard of Reddit. The site bills itself as the “front page of the internet,” and that’s not an empty boast: As of this writing, Reddit is the sixth most popular site in the United States, according to Alexa, and the 18th worldwide. So, what exactly is Reddit? Essentially, it’s a massive collection of forums where people can share news and content or comment on other people’s posts. Here’s everything you need to know.

Further reading

The jargon and design of Reddit

Reddit is broken up into more than a million communities known as “subreddits,” each of which covers a different topic. The name of a subreddit begins with /r/, which is part of the URL that Reddit uses. For example, /r/nba is a subreddit where people talk about the National Basketball Association, while /r/boardgames is a subreddit for people to discuss board games. Those are straightforward subreddits, but they can get weird, such as /r/birdswitharms, a subreddit devoted to pictures of birds…with arms.

If you’re just looking at Reddit for the first time, you may be a bit confused by what you are seeing, so here’s a quick rundown. The homepage (or “front page”) shows you various posts that are currently trending on the site, pulled from a variety of subreddits. You can sort these posts by clicking one of the icons on the ribbon menu located underneath the Create Post text box. These icons will sort the posts by Best, Hot, New, Top, or Rising.

There is a search bar near the top that you can use to find posts and subreddits related to a particular term. A search for “World Cup” for example, turns up some popular posts about the World Cup and relevant subreddits such as /r/soccer and /r/sports.

You can only create a subreddit for a topic if you meet specific criteria. Namely, you have to have a Reddit account, your account must be at least 30 days old, and your account must be relatively active and have earned a minimum number of “karma” points as a result of that activity. The exact required number of karma points isn’t necessarily high, but the number is known only to Reddit .

Subreddits are managed by moderators (“mods,” for short), volunteers who can edit the appearance of a particular subreddit, dictate what types of content are allowed in the sub, and even remove posts or content or ban users from the subreddit. Reddit as a whole is governed by the admins, employees of Reddit who have vast powers across the site, including the ability to strip moderators of their privileges and even ban entire subreddits from the site.

Next to a post, you’ll likely see up and down arrows, as well as a number. Users click the arrows to upvote or downvote posts, increasing or decreasing their visibility, and the number reflects the current sum of upvotes and downvotes. Reddit users can also upvote and downvote other users’ comments, and every account has a karma number tied to it, which indicates how much karma their comments have received in total. Karma doesn’t get you hip Reddit swag or anything like that, but it does help to boost your standing in the Reddit community. Be proud of your karma!

Like most online communities, Reddit has its own language. Redditors tend to talk in abbreviations such as OP, TIL, IAmA, and AMA. OP just refers to the “original poster” in a thread, while TIL means “today I learned” and is one of the most common abbreviations you’ll see. Many posts are simple TIL observations and realizations. Both IAmA and AMA refer to what might very well be Reddit ’s most popular feature: The Ask Me Anything thread. In an AMA, a well-known person such as Barack Obama or Nick Offerman, or someone who’s had a unique life experience (or a harrowing one, such as the woman who was mauled by a bear, fought it off, and drove four miles down a mountain with her face hanging off), submits him or herself to the inquisitive minds of Reddit . The resulting threads are some of the most insightful, humorous, and fascinating interviews you’ll ever read.

Hey, everyone: I'll be taking your questions online today. Ask yours here: http://t.co/pcwZHo3O -bo — Barack Obama (@BarackObama) August 29, 2012

Users can give awards to other users to recognize and highlight posts the giver really enjoyed. Giving an award costs Reddit Coins, which you can buy as a way of supporting the community.

Another way to support the community is by purchasing Reddit Premium, the site’s membership program. For $6 a month, Premium users have access to features that regular users don’t get, and they test out new features before they’re released to the wider Reddit community. Being a Premium member means you don’t see ads, and it gives you access to /r/lounge, a super-secret subreddit where the brightest minds on Reddit assemble to engage in witty banter (or something), along with other benefits. Premium membership also comes with a regular supply of Coins to spend on Awards. You don’t need to buy Reddit Premium to have fun on Reddit , but it’s a way to support the site, get some perks, and be invested in the community.

Just remember, Reddit is a group of people meeting on the internet, sharing stuff, and talking to one another. That’s it. Act as you would if you were hanging out with old friends or new ones. Be mindful of your language and where you post (some subreddits are unfriendly to off-topic posts). Reddit has become a popular hub for many topics, both good, bad, and niche. And the community has also taken steps to make the site more inclusive by eliminating explicit content from its public homepage.

Signing up

If Reddit sounds like your kind of place, you can sign up by clicking on the blue Sign Up button in the top right corner of the main Reddit page. Then, follow the on-screen prompts to create an account. Reddit doesn’t limit you to just one account, either. You can set up multiple usernames and choose which one to log in with, depending on which subreddits you plan to participate in. Some subs encourage personally revealing posts, for example, and you may find it useful to have one persona there and another one in a sports subreddit. Some people create throwaway accounts when asking for relationship or professional advice, among other topics.

Once you sign in, Reddit will offer suggestions on how to find popular boards you might want to check out. If you already know which community you want to be a part of, just type it in the search bar. You can also search for relevant terms to see what comes up.

When you find subreddits you like, you can subscribe to them. Your homepage will then consist of posts from your subscribed subreddits. The navigation bar will have a drop-down list of all your subscriptions, making it easy to move around among your favorite communities. To make navigation even easier, you can group related subreddits into custom feeds — putting /r/nba, /r/nbadiscussion, and individual team subreddits into a basketball multireddit, for example. To add a subreddit to a custom feed, navigate to the subreddit in question, then click on the Three Dots icon next to the phrase About Community. In the menu that pops up, select Add to Custom Feed and follow the on-screen prompts to either create a custom feed or add the subreddit to an existing custom feed.

You can join subreddits for any number of topics, so Reddit is an excellent place for subscribers with varied interests. Becoming a Redditor isn’t high stakes like most social media sites, either, which makes it all the more welcoming to the masses.

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