Level3 is a big company that has been providing a wide range of content delivery services for over 20 years. Level3 owns a Tier 1 backbone and has over 5.6 Tbps of peering capacity. The Level3 CDN services allow for token-based authentication, traffic prioritization, resource popularity tracking, full usage logs with auto-downlo...
When running in a browser on a mobile phone, "format-detection" meta tag determines whether or not telephone numbers in the HTML content will appear as hypertext links. The user can click a link with a telephone number to initiate a phone call to that phone number.