Category: Glossary

Textual content synchronized with an MP4 video, typically in formats like SRT or WebVTT. These can be embedded within the MP4 or provided as external files.

A service that allows users to broadcast a single live stream to multiple platforms simultaneously, such as YouTube, Facebook Live, and Twitch.

The process of converting a media file or live stream from one format or quality to another (e.g., from 4K to 1080p) to support different devices and bandwidths.

Refers to the Content Delivery Network used by Facebook to deliver content like images, videos, and scripts more efficiently to users by caching and distributing across global servers.

A DNS record used to store text information. It’s commonly used for domain verification, SPF (Sender Policy Framework) records for email, and other service configurations.

In HTTP, a request header is part of the request sent by a client to a server. It carries metadata such as browser type, accepted response types, and authentication tokens.

A DNS record that provides authoritative information about a domain, including the primary DNS server, email of the domain administrator, domain serial number, and timers related to refreshing the zone.

A video streaming protocol that adjusts the quality of a video stream in real-time based on the viewer’s internet connection speed, improving playback performance and reducing buffering.

Recommended bitrate for 1440p at 60fps:

RUM (Real User Monitoring) Rollover refers to the automatic continuation or switching of real-time monitoring metrics when thresholds or quotas are exceeded — ensuring continuous data collection without manual intervention.