Creators

Lech Mazur

CEO, Advameg, Inc. http://City-data.com founder Author: https://open.spotify.com/playlist/66JrQ9wZs8iZed Author: 16 LLM benchmarks https://github.com/lechmazur/

@lechmazur 32.8K X followers lechmazuradvameg.com First product launched 10y ago

Total monthly visits
1.6M
Up10.9%MoMOct 2026
Public revenue
Undisclosed
No public revenue across products
Products
1
Since Apr 2016
Latest launch
10y ago
City-Data1.6M visits/mo
100% full-depth creator dossier open: complete product portfolio, 12-month combined traffic & MRR curves, shipping cadence, and timeline events.

Traffic

Portfolio · Last 12 months
Monthly visits

Products

Products and research metrics
ProductVisits · OctActions
City-DataWelcome to City-Data1.6M

Timeline

Launches, marketing, revenue milestones, and pricing/plan/positioning changes across products

  1. Nov 11 · 4d ago

    • City-Data Added product format: WebFeatures

      —→web

  2. Nov 1 · 14d ago

    • City-Data Removed technology: Apache HTTP ServerFeatures

      Apache HTTP Server→—

    • City-Data Adopted technology: HSTSFeatures

      —→HSTS

    • City-Data Adopted technology: HTTP/3Features

      —→HTTP/3

    • City-Data Adopted technology: NginxFeatures

      —→Nginx