SubTrends
Other

Averages 15 posts/day, top 25% activity. Most active Wednesdays around 6 PM UTC. Mostly image posts (99%).

Posts / Day Average posts per day this month. Arrow is change vs the prior calendar month.
15 1%
Avg Upvotes Mean net upvotes per post this month (upvotes minus downvotes). Arrow is change vs the prior month.
960 22%
Avg Comments Mean number of comments per post this month. Arrow is change vs the prior month when that month’s data is available.
21 24%
Activity Rank #10,330 by posts/day among 92,652 tracked SFW subreddits as of Jul 2026 (Top 25%). Arrow is spots gained or lost vs the prior month.
#10,330 4
Top 25%
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.
1%
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.
34%

r/spaceporn Traffic & Engagement

Volume and engagement over time

Posts/DayAvg Upvotes010203001k2k3kJul 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 (66 chars)
Peak Day Sunday

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
4%
10–99
23%
100–999
50%
1K+
23%
Posts that get upvoted Share of posts that received at least one upvote (2+ net upvotes). Most posts at 1 upvote are excluded. 91%
Median upvoted post Median upvotes among posts that received upvotes. Differs from Avg Upvotes in the snapshot, which includes every post. 269
Top post Highest upvote count on a single post this month. 20.5K

r/spaceporn 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
7 PM
8 PM
9 PM
10 PM
11 PM
← Swipe →
#1 Top 3 activity windows

Most Active by Day

Sun 6 AM
Mon 9 AM
Tue 3 PM
Wed 6 PM
Thu 9 AM
Fri 9 AM
Sat 10 AM

r/spaceporn Flair Performance

Upvotes and volume by flair

Flair Posts Upvotes
Related Content153 (34.4%)1.2K
NASA67 (15.1%)969
Amateur/Processed59 (13.3%)656
Pro/Processed53 (11.9%)971
Art/Render33 (7.4%)350
Amateur/Composite31 (7.0%)350
James Webb19 (4.3%)1.7K
Amateur/Unedited18 (4.0%)143
Hubble12 (2.7%)2.1K

Post Type Breakdown

Share by text, image, or link

99%image posts

r/spaceporn Trending Keywords

Ranked by how often they appear

KeywordMentions ▼UpvotesComments
space
51 (11.4%)
1.6K28
image
42 (9.4%)
90711
moon
40 (8.9%)
74030
nebula
36 (8.0%)
2602
mars
27 (6.0%)
97327
galaxy
25 (5.6%)
81313
july
23 (5.1%)
1.1K16
solar
23 (5.1%)
46910
last
22 (4.9%)
2833
seen
21 (4.7%)
1.5K30

r/spaceporn Mentioned Domains

Most linked sites

Domain Links Upvotes
astrodoc.ca480

r/spaceporn Top Posts

Highest-performing posts

r/spaceporn Audience Overlap

Overlapping audiences

r/spaceporn FAQ

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

Based on posting volume, r/spaceporn is most active on Wednesdays around 6 PM UTC. That window has the most community activity, but busier hours also mean more competition for attention.

How active is r/spaceporn?

r/spaceporn averages 15 posts per day and ranks in the top 25% for activity among tracked SFW subreddits.

How many upvotes do posts on r/spaceporn get?

Posts on r/spaceporn average about 960 upvotes this month (net score per post).

What kind of posts does r/spaceporn get most?

On r/spaceporn, most posts are image posts (99%)