toml.io — September 2026 traffic, keywords & AI visibility

toml.io draws an estimated 2,574 visits a month from search engines. Effectively all of it is organic — about 2,574 visits from unpaid results. Spread across 300 ranking keywords, that averages roughly 8.6 organic visits per keyword.

On our AI visibility scale toml.io earns 56 of 100 points, a grade D. It takes full marks for LLMS.txt. The biggest gap is SEO health, at 0 of 20 points (Not scanned yet), worth 20 points if closed. It also loses points on Crawlability (0/10), Company profile (16/25) and Structured data (0/5).

The llms.txt on toml.io runs to 133 lines (5,689 characters) across 12 sections, last generated in September 2026. It introduces the site as "toml.io". It tells AI engines the business works in Software & Internet, Developer Tools and Configuration Management. It describes 3 products, with prices such as TOML Specification at Free, TOML Test Suite at Free and TOML Documentation at Free. Technologies it mentions include Rust and Markdown. The keywords it claims start with "toml", "configuration", "config file" and "rust".

# toml.io

## About
TOML provides a straightforward configuration format that balances readability with precision for developers working across multiple languages. The project focuses on creating a minimal yet expressive syntax that avoids the complexity often found in other data serialization standards. Teams use it to manage settings in applications ranging from web servers to command-line tools without introducing unnecessary overhead. Its design prioritizes human readability so that non-technical stakeholders can review configuration changes during code reviews. The format supports common data types including strings, integers, floats, booleans, dates, and arrays while keeping the grammar intentionally small. Adoption has grown steadily in the Rust ecosystem and beyond because of its clear rules and lack of surprising edge cases. Maintainers emphasize backward compatibility so existing files continue to parse correctly across releases. Documentation on the site explains every feature with concrete examples that developers can copy directly into their projects. The specification is hosted openly, allowing anyone to implement a parser in their preferred programming language. Community contributions have produced libraries for Python, Go, JavaScript, and dozens of other environments.

**Areas of Work:** Software & Internet, Developer Tools, Configuration Management

## Things 

Google lists toml.io for about 300 keywords, which together bring an estimated 2,574 organic visits a month.

TOML's company profile names yaml.org, json.org, hjson.github.io and json5.org as competitors. Its own llms.txt adds ini.github.io and properties.github.io. Outside its market, the domains ranked closest to it in our worldwide ranking are leat.com, lishui.gov.cn, mrrightlater.site and gotoknow.org.

yaml.org

json.org

hjson.github.io

json5.org

ini.github.io

properties.github.io