What is the best alternative to HSTS?

Based on company usage data, reCAPTCHA is the most widely adopted alternative, detected on 44,483 websites.

How many companies use HSTS?

AgentData detects HSTS on 216,584 company websites as of September 2026.

Are companies switching away from HSTS?

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

HSTS alternatives

Ranked by real company usage

The most popular alternatives to HSTS based on AgentData's analysis of 216,584 company websites are reCAPTCHA (44,483 companies), Imperva (2,563 companies), DDoS-Guard (2,531 companies).

HSTS: 216,584 companiesCategory: Security15 alternatives found

Top alternatives to HSTS

44,483 companies

2,563 companies

2,531 companies

1,393 companies

671 companies

127 companies

114 companies

90 companies

89 companies

#10

85 companies

#11

74 companies

#12

67 companies

#13

Akamai Web Application Protector

63 companies

#14

63 companies

#15

59 companies

Get the full alternatives data

216,584 companies with emails, tech stacks, and contacts

Start free →

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=hsts

From the makers of AgentData

DragApp

AI-powered shared inbox, help desk, and team collaboration — inside Gmail. 200K+ users.

Try DragApp free →

HeyHelp

AI email assistant inside Gmail. Drafts, sorts, follows up.

Try HeyHelp free →

Oneway

All-in-one customer platform — live chat, email, automations, changelogs & roadmaps with AI.

Try Oneway →

Compare

HSTS vs reCAPTCHACompare →HSTS vs ImpervaCompare →HSTS vs DDoS-GuardCompare →HSTS vs hCaptchaCompare →

Companies using HSTS→

Frequently asked questions

Export companies switching from HSTS

Full list with verified emails and decision-maker contacts.

Start free →