# How to Make Your First Contribution to OpenStreetMap

A beginner's guide to adding website tags in 15 minutes

- **Source:** [Hacker News](https://news.ycombinator.com)
- **Published:** 2026-09-12
- **Topic:** [Data & AI](https://brifing.si/c/data-ai)
- **Original article:** <https://high5apps.github.io/josm-plugin-website-wizard/>
- **On Brifing:** https://brifing.si/s/eba14cd3-82df-4283-a072-e23e93bc66e9

## Introduction to OpenStreetMap

OpenStreetMap (OSM) is the Wikipedia of maps - a collaborative project to create a free editable map of the world. Unlike proprietary mapping services, OSM data is open-source and used by thousands of applications worldwide. By contributing, you help improve navigation, disaster response, and urban planning tools globally. The platform relies on volunteers to add and verify map data.

## Why Start with Website Tags

Adding website tags is one of the easiest ways to begin contributing to OSM. A website provides verifiable information about a business or amenity, making it easier to add other important details later. Website tags help validate a location's existence and provide sources for additional data like phone numbers and operating hours. This simple contribution can significantly improve the map's usefulness.

## Setting Up Your Tools

To start editing, you'll need to create a free OSM account and download JOSM (Java OpenStreetMap Editor). At 365MB, JOSM is a comprehensive desktop editor that offers more features than web-based alternatives. The software runs on Windows, Mac, and Linux systems. While it has a learning curve, its plugin system makes complex edits manageable for beginners.

## Filtering Relevant Locations

JOSM's powerful filtering system lets you find exactly the places needing website tags. The tutorial provides a specific filter query that shows only shops and amenities missing website information in your area of interest. This targeted approach ensures your edits are meaningful and prevents duplicate work. The filter can be modified later for different types of contributions.

## Using the Website Wizard Plugin

The Website Wizard plugin automates much of the website tagging process. After installation, it helps quickly add and verify website URLs. The plugin reduces manual entry errors and ensures proper formatting. This tool exemplifies how JOSM's extensibility makes complex mapping tasks accessible to casual contributors while maintaining data quality standards.

## Making Your First Edit

With the filter applied and plugin ready, you can now add website tags to nearby businesses. Each edit is saved locally until you upload it to OSM's servers. The platform uses a changeset system to group related edits. Even a single website tag contributes to OSM's completeness, and you can see your changes appear in applications within hours.

## Expanding Your Contributions

After mastering website tags, you can tackle other missing information. The same filtering technique works for finding locations needing phone numbers, operating hours, or other details. One contributor added 66 website tags in a single Seattle neighborhood. OSM's structured tagging system allows for gradual learning while making valuable contributions.

## The Bigger Picture

With over 1 million businesses in the US alone needing mapping, every contribution counts. OSM's strength comes from its global community of volunteers. Your first edit helps make free mapping data more accurate and accessible worldwide. As you gain experience, you can contribute more complex data or even organize local mapping events to grow the community.

## Sources covering this story

- https://high5apps.github.io/josm-plugin-website-wizard/ — 

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_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._