Chart.js is an open-source JavaScript charting library that draws responsive bar, line, pie, radar and scatter charts on an HTML canvas element. It is the most widely used general-purpose chart library on the web and has official wrappers for React, Vue and Angular.
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Frequently Asked Questions
What is Chart.js?
Chart.js is an open-source JavaScript charting library that draws responsive bar, line, pie, radar and scatter charts on an HTML canvas element. It is the most widely used general-purpose chart library on the web and has official wrappers for React, Vue and Angular.
How do you detect Chart.js on a website?
Our scanner analyzes multiple technical signals including Script URLs referencing chart.js, chart.umd.js or cdn.jsdelivr.net/npm/chart.js and Canvas elements driven by a global `Chart` constructor in page scripts to identify Chart.js usage with high accuracy.
Which websites use Chart.js?
Thousands of websites use Chart.js across various industries. Our real-time scanner continuously discovers new Chart.js deployments — use the search above to detect any website.
Is Chart.js popular?
Chart.js is a widely adopted Library / Service in the web infrastructure space. Our scanner detects it regularly across scanned domains.
How We Detect Chart.js
- Script URLs referencing chart.js, chart.umd.js or cdn.jsdelivr.net/npm/chart.js
- Canvas elements driven by a global `Chart` constructor in page scripts