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I Built a Web Framework From Scratch on Bun — Here's What I Learned

A developer shares lessons from building a framework on Bun, useful for performance-focused stacks.

Steady

36

signal score

as of 7d ago

🔗 3

sources · bun

Too early

trajectory — needs a few more snapshots

Why this scored 36

every term, weighted
Velocity+0.0 / 40 max

Engagement gained per hour since the last capture, against the fastest item on its own source

Acceleration+11.1 / 25 max

Whether that velocity is itself speeding up, as a per-hour rate

Cross-source spread+16.7 / 25 max

How many independent communities are talking about the same entity

Recency+8.3 / 10 max

Decays to zero over 14 days

Saturation penalty0.3 / 30 max

Subtracted once something is big and old — we rank what's next, not what's peaked

Composite35.7

Weights are hand-tuned, not learned — we're calibrating them against realized trends as history accumulates. On a topic's first sighting there's no previous reading to compare against, so acceleration starts from a neutral prior rather than a measurement, and velocity falls back to engagement over its whole lifetime until a second reading exists. Full methodology

Signal history

7-day window (free)
Not enough history yet — the trend line fills in as snapshots accrue (every 30 min).

Entities

bun
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Drop this in a README or blog post — it updates automatically as the score moves.