Include Polyfill for Internet Explorer directly instead of using a CDN.
-rw-r--r-- 998 extension.json
drwxr-xr-x - i18n
drwxr-xr-x - img
drwxr-xr-x - tools
drwxr-xr-x - vendor
-rw-r--r-- 17776 wrmap.body.php
-rw-r--r-- 854 wrmap.css
-rw-r--r-- 11248 wrmap.js