Skip to content

r/algorithms↗

Computer Science for Computer Scientists

Computer Science for Computer Scientists

133k subscribers40 posts / mo in Sep 202635 authors / mosince 2008

r/algorithms has 133k members (+7.4% over the last 12 months). It gets about 40 posts a month from 35 people. Top topics: Data Structures & Algorithms, Math Equations and Voxel Games & Engines.

Free report

When to post on r/algorithms

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/algorithms, removal risk and the rest of the report are one step away.

Size and growth

How r/algorithms has grown

r/algorithms

Subscriber growth

Subscribers over time

+7.4%in 12 months · +1.7% in 3 months · +0.4% in 1 month
Oct 2026133k
Growing133k subscribers
Data since Mar 2018Live · through Oct 2026
r/algorithms

Monthly activity

Posts, comments and authors per month

−62%vs Sep 2025 · −74% last 3 months vs the 3 before
Sep 202640
QuieterPeaked at 207 in May 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/algorithms

Top topics

Share of the subreddit's posts

  1. Data Structures & Algorithms8.5%
  2. Math Equations0.8%
  3. Voxel Games & Engines0.7%
  4. LeetCode Practice0.6%
  5. Programmer Profiles0.3%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. arXiv.org e-Print archive
  2. Raw
  3. ScienceDirect

The full report

Everything else about r/algorithms

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