# HTTP/2

CEFR C2 · Noun

Source: https://englishreference.com/word/http-2
Updated: 2026-07-22

## Definition

Stands for Hypertext Transfer Protocol version 2. A major update to the way the internet works that makes websites load much faster by sending many files at the same time.

For teachers: Abbreviation for Hypertext Transfer Protocol version 2. A major revision of the HTTP network protocol used by the World Wide Web, derived from the earlier SPDY protocol to improve latency through header compression and request-response multiplexing.

## Examples

- HTTP/2 makes websites load much faster by improving data transfer efficiency.
- Many modern web browsers now require an encrypted connection to support the HTTP/2 protocol.
- By utilizing multiplexing and header compression, HTTP/2 allows servers to send multiple files simultaneously over a single connection, significantly reducing page load times.

## Usage notes

- Typically used as a proper noun in technical contexts; often follows the preposition 'over' when describing data transfer.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.