What is the best alternative to HTTP/2?

Based on company usage data, HTTP/3 is the most widely adopted alternative, detected on 8,134,199 websites.

How many companies use HTTP/2?

AgentData detects HTTP/2 on 2,530 company websites as of October 2026.

Are companies switching away from HTTP/2?

AgentData tracks technology changes across company websites. Check back for switching trends as we detect more changes.

HTTP/2 alternatives

Ranked by real company usage

The most popular alternatives to HTTP/2 based on AgentData's analysis of 2,530 company websites are HTTP/3 (8,134,199 companies), Popper (407,113 companies), Gravatar (96,728 companies).

HTTP/2: 2,530 companiesCategory: Miscellaneous15 alternatives found

Top alternatives to HTTP/2

8,134,199 companies

407,113 companies

96,728 companies

39,524 companies

33,843 companies

21,918 companies

21,315 companies

20,525 companies

13,912 companies

#10

9,529 companies

#11

6,072 companies

#12

5,795 companies

#13

2,817 companies

#14

1,763 companies

Compare →

#15

Less

1,104 companies

Compare →

Get the full alternatives data

2,530 companies with emails, tech stacks, and contacts

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1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=http-2

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Compare

HTTP/2 vs HTTP/3Compare →HTTP/2 vs PopperCompare →HTTP/2 vs GravatarCompare →HTTP/2 vs SWFObjectCompare →

Companies using HTTP/2→

Frequently asked questions

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