711 posts analyzed Updated Sep 2026
Averages 24 posts/day, top 10% activity. Most active Saturdays around 12 PM UTC. Mostly text posts (55%).
r/scifi Traffic & Engagement r/scifi 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/scifi Most Active Times When r/scifi 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/scifi Flair Performance r/scifi Flair Performance
Upvotes and volume by flair Average upvotes and post volume by flair
| Flair | Posts | Upvotes |
|---|---|---|
| Original Content | 229 (32.3%) | 223 |
| Recommendations | 135 (19.0%) | 48 |
| General | 121 (17.1%) | 42 |
| 62 (8.7%) | 101 | |
| Films | 53 (7.5%) | 69 |
| TV | 40 (5.6%) | 163 |
| ID This | 23 (3.2%) | 13 |
| Community | 20 (2.8%) | 96 |
| Art | 14 (2.0%) | 26 |
| Games | 12 (1.7%) | 61 |
Post Type Breakdown
Share by text, image, or link Share of posts by format: text, image, or link
r/scifi Trending Keywords Trending Keywords in r/scifi
Ranked by how often they appear Title keywords ranked by how often they appear
| Keyword | Mentions ▼ | Upvotes | Comments |
|---|---|---|---|
| sci | 133 (18.7%) | 390 | 50 |
| book | 51 (7.2%) | 118 | 15 |
| series | 41 (5.8%) | 24 | 32 |
| first | 40 (5.6%) | 62 | 23 |
| story | 40 (5.6%) | 18 | 13 |
| time | 36 (5.1%) | 82 | 35 |
| short | 35 (4.9%) | 19 | 9 |
| scifi | 35 (4.9%) | 78 | 65 |
| books | 30 (4.2%) | 120 | 38 |
| fiction | 29 (4.1%) | 60 | 34 |
r/scifi Mentioned Domains Mentioned Domains in r/scifi
Most linked sites Most linked sites in this subreddit
| Domain | Links | Upvotes |
|---|---|---|
| youtu.be | 27 | 27 |
| youtube.com | 10 | 9 |
| gamersub.com | 3 | 1 |
| open.spotify.com | 3 | 5 |
r/scifi Top Posts Top Performing Posts in r/scifi
Highest-performing posts Highest-performing posts. Each title links to Reddit.
This week I bought a new iPad for my Sci fi drawings
Sharing some of my Sci-fi inspired artwork from August
🤯My book is in the same sci-fi section as Dune and Hyperion!
My sci-fi novel flew off the shelves of my local bookstore!
One of the best sci-fi books I’ve ever read
Happy 60th birthday to Star Trek, George! We love you.
Is Children of Time that good?
Serenity came out 21 years ago today. What canceled sci-fi show would you bring back as a movie?
How does sci-fi tackle the G-Forces required to quickly accelerate to and from any appreciable fraction of light speed?
I’ve always liked the idea that even the most exotic places in the universe might eventually become workplaces. So I imagined a refinery operating close to a black hole — not a heroic exploration vessel, but a piece of
| Title | Upvotes | Comments | Type | Date |
|---|---|---|---|---|
| This week I bought a new iPad for my Sci fi drawings | 19.6K | 497 | image | Sep 19 |
| Sharing some of my Sci-fi inspired artwork from August | 15.6K | 462 | image | Sep 5 |
| 🤯My book is in the same sci-fi section as Dune and Hyperion! | 4.1K | 185 | image | Sep 26 |
| My sci-fi novel flew off the shelves of my local bookstore! | 3.6K | 148 | image | Sep 12 |
| One of the best sci-fi books I’ve ever read | 2.1K | 348 | image | Sep 9 |
| Happy 60th birthday to Star Trek, George! We love you. | 2.0K | 63 | image | Sep 8 |
| Is Children of Time that good? | 1.7K | 634 | image | Sep 18 |
| Serenity came out 21 years ago today. What canceled sci-fi show would you bring back as a movie? | 1.4K | 658 | image | Sep 30 |
| How does sci-fi tackle the G-Forces required to quickly accelerate to and from any appreciable fraction of light speed? | 1.3K | 1.3K | image | Sep 3 |
| I’ve always liked the idea that even the most exotic places in the universe might eventually become workplaces. So I imagined a refinery operating close to a black hole — not a heroic exploration vessel, but a piece of | 1.3K | 59 | image | Sep 5 |
r/scifi Audience Overlap r/scifi Subreddit Overlap & Related Communities
Overlapping audiences Communities with overlapping audiences
r/scifi FAQ Frequently Asked Questions About r/scifi
What's the best time to post on r/scifi?
Based on posting volume, r/scifi is most active on Saturdays around 12 PM UTC. That window has the most community activity, but busier hours also mean more competition for attention.
How active is r/scifi?
r/scifi averages 24 posts per day and ranks in the top 10% for activity among tracked SFW subreddits.
How many upvotes do posts on r/scifi get?
Posts on r/scifi average about 116 upvotes this month (net score per post).
What kind of posts does r/scifi get most?
On r/scifi, most posts are text posts (55%)