promovolve · SilentStars

Promovolve is an attempt to get back what magazine advertising had: relevant ads matched to what the reader is actually reading, with no cookies, no user profiles, no cross-site tracking, and no degradation of the reading experience. The page’s content is the only targeting signal — an article about hiking gets ads for hiking gear because of what it is, not because of who is reading it.

Being open source is not incidental: transparency is the product. Publishers and advertisers can read the auction, the pricing, and the pacing logic and verify there is no hidden manipulation — something no closed ad network can offer. For the guided version, read the Promovolve book — 13 short chapters on why the system is built the way it is.

Demo

How it works

A publisher adds two lines of HTML — a script tag and a <div> per ad slot. No SDK, no ad server account, no JavaScript to write.
Pages are classified on demand from real traffic: an LLM maps the page’s text into IAB content categories the first time it serves.
Auctions run periodically per site, not on every…

score = signal / reach signal = 0.25·commit_velocity // commits in last 90 days (cap 30) + 0.20·contributor_work // unique authors × velocity (cap 100) + 0.20·issue_resolution // closed ÷ total issues + 0.20·fork_ratio // forks ÷ stars (proxy for real usage) + 0.10·release_cadence // releases in 90 days (cap 3) + age_bonus // +0 to +0.30 after 6 months + homepage_bonus // +0.05 if homepage is set reach = log₁₀(stars + watchers + 10)█

health = 0.35·recency // days since last commit (90d decay) + 0.25·cadence // commit rhythm consistency + 0.20·issue_health // closed ÷ total issues + 0.20·pr_health // merged ÷ total PRs█

Healthy 80 – 100 active, responsive, regular releases Stable 60 – 79 maintained, steady, no alarms Quiet 40 – 59 slowing down — watch this one At Risk 0 – 39 going dark · candidate for rescue█

solo_builder one person holds > 80% of commits (last 180d) needs_contributors has open "help wanted" or "good first issue" labels hidden_gem < 100 stars · active in last 3 months · documented legacy_hero repo > 5 years old · committed this year fork_magnet forks/stars > 0.5 · used as template or dependency release_machine 5+ releases in the last 90 days under_pressure > 10 open issues · ≤ 2 contributors · health ≥ 60 community_watch watchers > stars · devs tracking before the public community_hub GitHub Discussions enabled · > 20 discussions funded maintainer has active funding channel█