Source evidence

hCaptcha invalidates Back/Forward Cache

hCaptcha for WP · support · 2026-05-27T16:42:00+00:00

hCaptcha for WP plugin evidence original source source API

mixedsentiment

highseverity

0.83relevance

1replies

Evidence linked to opportunitycommercial context

Proof Health

Open evidence

Commercial opportunities need traceable source links before they are treated as build-worthy.

5 / 32 rows with source links

15.6% of this page's analysis has direct source links.

0 build-decision rows missing links

0 rows here require auditable proof before promotion.

27 rows with no attached evidence

0 rows have source counts but still need direct links.

Conversation

support

tobet resolved

bfcache helps speed up navigations to sites that have recently been visited, but it can be invalidated by client-side code execution. It appears that hCaptcha is using a “SharedWorkerWithNoActiveClient” which invalidates the bfcache. Steps to reproduce: Navigate to a page using hCaptcha Open Inspect Element -> Application -> Back/forward cache Click “Test back/forward cache” (It can also be identified in a Lighthouse report, listed as “Page prevented back/forward cache restoration”) The page I need help with: [ log in to see the link] Dev Tools reports the problem with the https://newassets.hcaptcha.com/captcha/v1/e7d4188bff735fa67caffa64923b234616a10414/static/hcaptcha.html… ; The WordPress plugin uses hCaptcha assets form the hcaptcha.com site as is. I do not have access to these scripts. Please address your question to the hCaptcha support team: https://www.hcaptcha.com/contact-us .

Commercial Context

Opportunity

trust and abuse-prevention operations

Spam abuse-prevention assurance for keeping sites trusted, protected, and recoverable

Buyer: site owners, agencies, and maintenance teams

Wedge: test spam lockouts, bot/spam defenses, risky access changes, and incident alerts

Proof Blocked card complete market

Analysis

heuristic-v1

Summary: hCaptcha invalidates Back/Forward Cache: users show security, performance, support pain that may indicate a product gap.

Evidence quote: hCaptcha invalidates Back/Forward Cache bfcache helps speed up navigations to sites that have recently been visited, but it can be invalidated by client-side code execution.

Affected feature: form

security performance support support

Plugin

API

hCaptcha for WP

70.0K active installs · 2.0M downloads · rating 92.0

antispam captcha hcaptcha recaptcha spam

Comments

1 shown

kaggdesign 2026-05-28T18:37:00+00:00

Dev Tools reports the problem with the https://newassets.hcaptcha.com/captcha/v1/e7d4188bff735fa67caffa64923b234616a10414/static/hcaptcha.html… ; The WordPress plugin uses hCaptcha assets form the hcaptcha.com site as is. I do not have access to these scripts. Please address your question to the hCaptcha support team: https://www.hcaptcha.com/contact-us .