---
title: "Notes on ranking, measurement and disclosure · Product Billboards"
description: "How Product Billboards measures traffic, computes the daily organic rank, and discloses paid placement. Written by the person who built it."
canonical: https://productbillboards.com/blog
site: Product Billboards
---

Notes

# How this place
actually works.

The measurement, the ranking formula and the disclosure rules, written out in full. If a number appears on a billboard, the post explaining it is here.

Topics[Ranking](https://productbillboards.com/blog/tag/ranking)[Measurement](https://productbillboards.com/blog/tag/measurement)[Disclosure](https://productbillboards.com/blog/tag/disclosure)[RSS](https://productbillboards.com/blog/rss.xml)

9 September 20266 min read

## [How ranking works on Product Billboards, weight by weight](https://productbillboards.com/blog/how-ranking-works)

The organic order is a weighted score recomputed every 24 hours from verified traffic, dwell, geographic spread and founder reply rate. Here is every term in it, and why reply rate is weighted hardest.

By [Shantanu Srivastava](https://productbillboards.com/about)

9 September 20264 min read

## [What counts as a visit, and what we throw away](https://productbillboards.com/blog/what-counts-as-a-visit)

A visitor count only means something if the things it excludes are stated. Sessions, dwell caps, coarse country codes, and why we never store an IP address.

By [Shantanu Srivastava](https://productbillboards.com/about)

9 September 20265 min read

## [Sponsored slots, disclosure, and the one position that is for sale](https://productbillboards.com/blog/sponsored-slots-and-disclosure)

Exactly one position in each feed can be bought, badged in place and priced by demand. Every other position is earned and permanently off the market. What we sell, what we do not, and the disclosure rules we hold ourselves to.

By [Shantanu Srivastava](https://productbillboards.com/about)