LAUNCH INDEX

BackTrail, keep each tab's Back history across browser restarts

EDUCEducation & Learning·HNShow HN

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Quiet launch

Beat 34% of Show HN launches that day

#108 of 179 on Nov 11

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#4 of 6 Education & Learning launches on Show HN on Nov 11. 5.9% of Education & Learning launches (1 of 17) reached 10+ points in the last 7 days. See Education & Learning →

20

points · traction gained Nov 12, 10:31 UTC → Nov 13, 10:27 UTC · % shown only when the previous traction was 5+

Still tracked: re-read by each daily run while under ~168h old (window closes ~Nov 18, 14:10 UTC).

0

comments · buzz 0 in latest interval

44h

listed Nov 11, 14:10 UTC

Traction (points) over time

012Nov 12Nov 13ListedNov 12, 10:31 UTC · 2 points · 0 comments · 20h after listingNov 13, 10:27 UTC · 2 points · 0 comments · 44h after listing
2 readings (one per daily ingest run). Dots are recorded values; lines just connect them — nothing in between is measured.

Key statistics

Traction
2points
Comments
0
Rank in EDUC this week
#7of 22 HN
Rank overall this week
#339of 1,038 HN
Sector hit rate
5.9%1/17 · 7D
Traction line
Below10+ points
First reading
2Nov 12, 10:31 UTC
Last reading
2Nov 13, 10:27 UTC
Readings
2over 44h

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Grades · each graded against other Education & Learning launches from the same source

Momentum

—

+0 points

Traction gained in the latest daily interval

Too few peers to grade (19; need 20)

Velocity

B

0.05 points/h

Votes per hour since listing (age capped at 48h)

Better than 71% · vs 73 Education & Learning · Show HN launches, last 30 days

Engagement

—

—

Comments per 10 points

Needs 10+ points; below that the ratio is mostly noise

Staying Power

—

—

Votes at last reading ÷ votes at first reading

Still being tracked; graded once settled (48h)

Launch-day race · #108 of 179 Show HN launches on 2026-11-11

  1. #106HLedger Cal2 points
  2. #107Card game, every hand solvable2 points
  3. #108BackTrail, keep each tab's Back history across browser restarts2 points
  4. #109blqsort2 points
  5. #110Editmamei2 points
All launches on 2026-11-11 →

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Discussion

No comments yet. Open on Hacker News →

Data as of Nov 13, 2026, 9:22 AM UTC. Sector comes from keyword rules on the title and tagline and can be wrong. How it works