314 posts analyzed Updated Sep 2026
Averages 11 posts/day, top 25% activity. Most active Thursdays around 4 PM UTC. Mostly text posts (74%).
r/printSF Traffic & Engagement r/printSF Traffic & Engagement
Volume and engagement over time Posting volume and engagement over time
Post Format
Upvote Distribution
How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.
r/printSF Most Active Times When r/printSF Is Most Active
Peak posting by day and hour (UTC) When this community posts most, by day and hour (UTC)
Most Active by Day
r/printSF Flair Performance r/printSF Flair Performance
Upvotes and volume by flair Average upvotes and post volume by flair
This subreddit doesn't use post flairs.
No flaired posts were found in this month's data.
Post Type Breakdown
Share by text, image, or link Share of posts by format: text, image, or link
r/printSF Trending Keywords Trending Keywords in r/printSF
Ranked by how often they appear Title keywords ranked by how often they appear
| Keyword | Mentions ▼ | Upvotes | Comments |
|---|---|---|---|
| book | 35 (11.2%) | 18 | 24 |
| sci | 29 (9.2%) | 15 | 35 |
| books | 27 (8.6%) | 23 | 42 |
| read | 19 (6.0%) | 12 | 16 |
| story | 16 (5.1%) | 15 | 12 |
| fiction | 16 (5.1%) | 26 | 23 |
| looking | 16 (5.1%) | 19 | 48 |
| short | 16 (5.1%) | 25 | 16 |
| scifi | 12 (3.8%) | 52 | 94 |
| series | 12 (3.8%) | 13 | 18 |
r/printSF Mentioned Domains Mentioned Domains in r/printSF
Most linked sites Most linked sites in this subreddit
This community doesn't link off-site.
Its posts are text, images, or discussion rather than outbound links.
r/printSF Top Posts Top Performing Posts in r/printSF
Highest-performing posts Highest-performing posts. Each title links to Reddit.
Scifi with great female characters that AREN'T tough/cold/masculine
3-body has problems
Examples of authors “answering” other works through fiction
"Wtf is going on" books
Scalzi does a "Big Idea" on Peter Watts' new short story collection "Fold Catastrophes". Looks pretty good.
Peter Watts interview and upcoming work
How come I had no idea there was a new China Mieville book?
Just finished A Fire Upon the Deep.
Lightspeed Magazine launched a Kickstarter to fund their magazine. Clarkesworld is doing a (very soft) campaign to fund theirs. A good time to get into short fiction!
"Old Man's War" by John Scalzi
| Title | Upvotes | Comments | Type | Date |
|---|---|---|---|---|
| Scifi with great female characters that AREN'T tough/cold/masculine | 300 | 486 | text | Sep 16 |
| 3-body has problems | 255 | 224 | text | Sep 11 |
| Examples of authors “answering” other works through fiction | 203 | 206 | text | Sep 1 |
| "Wtf is going on" books | 182 | 311 | text | Sep 6 |
| Scalzi does a "Big Idea" on Peter Watts' new short story collection "Fold Catastrophes". Looks pretty good. | 132 | 46 | link | Sep 22 |
| Peter Watts interview and upcoming work | 129 | 33 | text | Sep 21 |
| How come I had no idea there was a new China Mieville book? | 123 | 55 | text | Sep 17 |
| Just finished A Fire Upon the Deep. | 121 | 61 | text | Sep 2 |
| Lightspeed Magazine launched a Kickstarter to fund their magazine. Clarkesworld is doing a (very soft) campaign to fund theirs. A good time to get into short fiction! | 116 | 30 | text | Sep 15 |
| "Old Man's War" by John Scalzi | 114 | 130 | text | Sep 29 |
r/printSF Audience Overlap r/printSF Subreddit Overlap & Related Communities
Overlapping audiences Communities with overlapping audiences
r/printSF FAQ Frequently Asked Questions About r/printSF
What's the best time to post on r/printSF?
Based on posting volume, r/printSF is most active on Thursdays around 4 PM UTC. That window has the most community activity, but busier hours also mean more competition for attention.
How active is r/printSF?
r/printSF averages 11 posts per day and ranks in the top 25% for activity among tracked SFW subreddits.
How many upvotes do posts on r/printSF get?
Posts on r/printSF average about 21 upvotes this month (net score per post).
What kind of posts does r/printSF get most?
On r/printSF, most posts are text posts (74%)