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Practical Uses for CSS :has() Now That It Works Everywhere

Css has function

Steady

11

signal score

as of 2d ago

🔗 2

sources · css

⏳ Too early

trajectory — needs a few more snapshots

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Why this scored 11

every term, weighted
Velocity+0.2 / 40 max

Engagement per hour, normalized against the fastest item on its own source

Acceleration+0.0 / 25 max

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

Cross-source spread+3.1 / 25 max

How many independent communities are talking about the same entity

Recency+8.1 / 10 max

Decays to zero over 14 days

Saturation penalty−0.6 / 30 max

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

Composite10.9

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. Full methodology

Signal history

7-day window (free)

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