/volume1/web/backlinkstools/app/code/tools/classes/meta-tags-analyzer.php:9:
array(4) {
  'viewport' =>
  string(35) "width=device-width, initial-scale=1"
  'msapplication-tileimage' =>
  string(60) "https://backlinks.tools/pub/media/images/ms-icon-144x144.png"
  'description' =>
  string(0) ""
  'googlebot' =>
  string(13) "index, follow"
}
            

Result