SubTrends

Averages 24 posts/day, top 10% activity. Most active Thursdays around 5 PM UTC. Mostly image posts (58%).

Posts / Day Average posts per day this month. Arrow is change vs the prior calendar month.
24 18%
Avg Upvotes Mean net upvotes per post this month (upvotes minus downvotes). Arrow is change vs the prior month.
58 27%
Avg Comments Mean number of comments per post this month. Arrow is change vs the prior month when that month’s data is available.
9 9%
Activity Rank #6,301 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.
#6,301 1,266
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.
11%
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.
59%

r/Radiology Traffic & Engagement

Volume and engagement over time

Posts/DayAvg Upvotes02040600100200300Jul 1Jul 8Jul 15Jul 22Jul 29
Posts/Day Avg Upvotes Mean net upvotes per post in this bucket.

Post Format

Top Post Type Image
Typical Title Length Short (42 chars)
Peak Day Friday

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
29%
10–99
37%
100–999
29%
1K+
5%
Posts that get upvoted Share of posts that received at least one upvote (2+ net upvotes). Most posts at 1 upvote are excluded. 33%
Median upvoted post Median upvotes among posts that received upvotes. Differs from Avg Upvotes in the snapshot, which includes every post. 32
Top post Highest upvote count on a single post this month. 3.7K

r/Radiology 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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11 PM
← Swipe →
#1 Top 3 activity windows

Most Active by Day

Sun 9 PM
Mon 12 PM
Tue 7 PM
Wed 3 PM
Thu 5 PM
Fri 12 PM
Sat 7 AM

r/Radiology Flair Performance

Upvotes and volume by flair

Flair Posts Upvotes
X-Ray241 (32.7%)87
CT133 (18.0%)71
MRI129 (17.5%)29
Discussion106 (14.4%)25
Ultrasound38 (5.2%)45
Career or General advice31 (4.2%)3
Medical advice19 (2.6%)1
Mammo11 (1.5%)61
Entertainment11 (1.5%)331
Media7 (0.9%)20

Post Type Breakdown

Share by text, image, or link

58%image posts

r/Radiology Trending Keywords

Ranked by how often they appear

KeywordMentions ▼UpvotesComments
mri
76 (10.3%)
347
help
35 (4.7%)
12
radiology
32 (4.3%)
258
ray
32 (4.3%)
5810
scan
28 (3.8%)
345
anyone
25 (3.4%)
125
chest
23 (3.1%)
103
fracture
22 (3.0%)
7710
xray
19 (2.6%)
74
first
18 (2.4%)
18721

r/Radiology Mentioned Domains

Most linked sites

This community doesn't link off-site.

Its posts are text, images, or discussion rather than outbound links.

r/Radiology Top Posts

Highest-performing posts

r/Radiology Audience Overlap

Overlapping audiences

r/Radiology FAQ

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

Based on posting volume, r/Radiology is most active on Thursdays around 5 PM UTC. That window has the most community activity, but busier hours also mean more competition for attention.

How active is r/Radiology?

r/Radiology averages 24 posts per day and ranks in the top 10% for activity among tracked SFW subreddits.

How many upvotes do posts on r/Radiology get?

Posts on r/Radiology average about 58 upvotes this month (net score per post).

What kind of posts does r/Radiology get most?

On r/Radiology, most posts are image posts (58%)