How to Create a Heat Map

Written by laura dixon
  • Share
  • Tweet
  • Share
  • Email

Heat maps are graphical displays representing a group of data, where the numbers are taken by a variable and shown on a two-dimensional map as different colours. With some knowledge of HTML and JavaScript and a list of data to map, just about anyone can make their own heat map at a number of websites.

Skill level:

Other People Are Reading


  1. 1

    Log on to an online heat mapping website such as HeatMapAPI or ClickHeat (see Resources). Some heat map sites require users to create an account to access the mapping program.

  2. 2

    Enter data into the text area under the onscreen map in the order of latitude, longitude, rating or intensity from 1 to 10. Separate each with a comma.

  3. 3

    Go to the text box and "Change Default Rating," since all intensity ratings are automatically shown as 10.

  4. 4

    Click the button below the text area that says "Generate Heat Map."

  5. 5

    Wait for about 30 seconds for your heat map to appear on the screen overlaying the original map. You can now preview your heat map.

  6. 6

    Click on the "Save" button to save your heat map and data.

Tips and warnings

  • More complex heat maps can also be created on the web if you know JavaScript and some basic HTML codes (see Resources).

Don't Miss


  • All types
  • Articles
  • Slideshows
  • Videos
  • Most relevant
  • Most popular
  • Most recent

No articles available

No slideshows available

No videos available

By using the site, you consent to the use of cookies. For more information, please see our Cookie policy.