SubTrends
Other

Averages 25 posts/day, top 10% activity. Most active Tuesdays around 12 PM UTC. Mostly text posts (71%).

Posts / Day Average posts per day this month. Arrow is change vs the prior calendar month.
25 7%
Avg Upvotes Mean net upvotes per post this month (upvotes minus downvotes). Arrow is change vs the prior month.
26 15%
Avg Comments Mean number of comments per post this month. Arrow is change vs the prior month when that month’s data is available.
12 6%
Activity Rank #6,036 by posts/day among 92,652 tracked SFW subreddits as of Jul 2026 (Top 10%). Arrow is spots gained or lost vs the prior month.
#6,036 518
Top 10%
Posts w/ Links The percentage of posts that link off-site. This counts true link posts plus text posts with a URL in the body. Image and video posts are not counted.
21%
Low-Reply Rate Share of posts with 0 or 1 comment. A single comment is often an automated mod reply rather than real community discussion.
38%

r/Physics Traffic & Engagement

Volume and engagement over time

Posts/DayAvg Upvotes0102030400100200300Jul 1Jul 8Jul 15Jul 22Jul 29
Posts/Day Avg Upvotes Mean net upvotes per post in this bucket.

Post Format

Top Post Type Text
Typical Title Length Medium (62 chars)
Peak Day Wednesday

Upvote Distribution

How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.

2–9
35%
10–99
52%
100–999
12%
1K+
1%
Posts that get upvoted Share of posts that received at least one upvote (2+ net upvotes). Most posts at 1 upvote are excluded. 30%
Median upvoted post Median upvotes among posts that received upvotes. Differs from Avg Upvotes in the snapshot, which includes every post. 16
Top post Highest upvote count on a single post this month. 3.3K

r/Physics Most Active Times

Peak posting by day and hour (UTC)

Sun
Mon
Tue
Wed
Thu
Fri
Sat
12 AM
1 AM
2 AM
3 AM
4 AM
5 AM
6 AM
7 AM
8 AM
9 AM
10 AM
11 AM
12 PM
1 PM
2 PM
3 PM
4 PM
5 PM
6 PM
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8 PM
9 PM
10 PM
11 PM
← Swipe →
#1 Top 3 activity windows

Most Active by Day

Sun 11 AM
Mon 12 PM
Tue 12 PM
Wed 1 AM
Thu 5 PM
Fri 9 AM
Sat 6 PM

r/Physics Flair Performance

Upvotes and volume by flair

Flair Posts Upvotes
Question201 (60.2%)12
Image81 (24.3%)137
Video29 (8.7%)6
News11 (3.3%)41
Academic6 (1.8%)132
Article6 (1.8%)6

Post Type Breakdown

Share by text, image, or link

71%text posts

r/Physics Trending Keywords

Ranked by how often they appear

KeywordMentions ▼UpvotesComments
physics
188 (24.5%)
4216
quantum
41 (5.3%)
77
theory
36 (4.7%)
96
question
33 (4.3%)
1214
help
26 (3.4%)
27
time
26 (3.4%)
10118
black
22 (2.9%)
148
energy
20 (2.6%)
107
need
19 (2.5%)
610
light
18 (2.4%)
1213

r/Physics Mentioned Domains

Most linked sites

Domain Links Upvotes
youtube.com208
youtu.be91
phys.org449
arxiv.org3224
github.com30
medium.com30

r/Physics Top Posts

Highest-performing posts

r/Physics Audience Overlap

Overlapping audiences

r/Physics FAQ

What's the best time to post on r/Physics?

Based on posting volume, r/Physics is most active on Tuesdays around 12 PM UTC. That window has the most community activity, but busier hours also mean more competition for attention.

How active is r/Physics?

r/Physics averages 25 posts per day and ranks in the top 10% for activity among tracked SFW subreddits.

How many upvotes do posts on r/Physics get?

Posts on r/Physics average about 26 upvotes this month (net score per post).

What kind of posts does r/Physics get most?

On r/Physics, most posts are text posts (71%)