Skip to content

r/computerscience↗

Computer Science

A place to discuss the academic field of computer science, including research, computing theory, and the theory behind software engineering/programming (e.g. language design).

525k subscribers108 posts / mo in Sep 2026103 authors / mosince 2008

r/computerscience has 525k members (+11% over the last 12 months). It gets about 108 posts a month from 103 people. Top topics: Computer Science Major, Data Structures & Algorithms and CS Career & Jobs.

Free report

When to post on r/computerscience

You've used today's free reports

Visitors without an account can open 3 subreddit reports a day. The best time to post on r/computerscience, removal risk and the rest of the report are one step away.

Size and growth

How r/computerscience has grown

r/computerscience

Subscriber growth

Subscribers over time

+11%in 12 months · +1.8% in 3 months · +0.4% in 1 month
Oct 2026524k
Growing524k subscribers
Data since Mar 2018Live · through Oct 2026
r/computerscience

Monthly activity

Posts, comments and authors per month

−62%vs Sep 2025 · −25% last 3 months vs the 3 before
Sep 2026108
QuieterPeaked at 2.2k in Oct 2022
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/computerscience

Top topics

Share of the subreddit's posts

  1. Computer Science Major4.6%
  2. Data Structures & Algorithms2.6%
  3. CS Career & Jobs2.1%
  4. Computer Science Education2.0%
  5. Learning Resources1.9%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. arXiv.org e-Print archive
  2. Association for Computing Machinery
  3. Substack
  4. Stanford University
  5. Stack Exchange

The full report

Everything else about r/computerscience

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research