The heatmap bar may not be displayed if there are no closing tags such as /body in the HTML source code of the template you are using.
Also, if allow_url_fopen is not turned on in your php.ini settings, you will not be able to display the heatmap.
The heatmap bar may not be displayed if there are no closing tags such as /body in the HTML source code of the template you are using.
Also, if allow_url_fopen is not turned on in your php.ini settings, you will not be able to display the heatmap.