SubTrends
Other

Averages 6 posts/day, top 25% activity. Most active Thursdays around 12 PM UTC. Mostly text posts.

Posts / Day Average posts per day this month. Arrow is change vs the prior calendar month.
6 2%
Avg Upvotes Mean net upvotes per post this month (upvotes minus downvotes). Arrow is change vs the prior month.
2 0%
Avg Comments Mean number of comments per post this month. Arrow is change vs the prior month when that month’s data is available.
6 17%
Activity Rank #20,305 by posts/day among 90,883 tracked SFW subreddits as of Sep 2026 (Top 25%). Arrow is spots gained or lost vs the prior month.
#20,305 214
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.
26%
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.
42%

r/buildingscience Traffic & Engagement

Volume and engagement over time

Posts/DayAvg Upvotes051015051015Sep 1Sep 8Sep 15Sep 22Sep 29
Posts/Day Avg Upvotes Mean net upvotes per post in this bucket.

Post Format

Top Post Type Text
Typical Title Length Medium (56 chars)
Peak Day Tuesday

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
92%
10–99
8%
100–999
0%
1K+
0%
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. 3
Top post Highest upvote count on a single post this month. 75

r/buildingscience 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 10 PM
Mon 4 PM
Tue 1 PM
Wed 7 PM
Thu 12 PM
Fri 12 PM
Sat 10 AM

r/buildingscience Flair Performance

Upvotes and volume by flair

Flair Posts Upvotes
Question40 (100.0%)2

Post Type Breakdown

Share by text, image, or link

44%text posts

r/buildingscience Trending Keywords

Ranked by how often they appear

KeywordMentions ▼UpvotesComments
insulation
34 (17.7%)
26
roof
16 (8.3%)
717
basement
13 (6.8%)
15
attic
13 (6.8%)
13
building
13 (6.8%)
15
insulating
12 (6.3%)
25
ceiling
12 (6.3%)
14
space
11 (5.7%)
25
concrete
11 (5.7%)
48
walls
10 (5.2%)
27

r/buildingscience Mentioned Domains

Most linked sites

This community doesn't link off-site.

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

r/buildingscience Top Posts

Highest-performing posts

r/buildingscience Audience Overlap

Overlapping audiences

r/buildingscience FAQ

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

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

How active is r/buildingscience?

r/buildingscience averages 6 posts per day and ranks in the top 25% for activity among tracked SFW subreddits.

How many upvotes do posts on r/buildingscience get?

Posts on r/buildingscience average about 2 upvotes this month (net score per post).

What kind of posts does r/buildingscience get most?

On r/buildingscience, posts are a mix of formats, mostly text posts