Two sessions with different roles
The proxy session manages the connection to an exit address. The session on the website you visit often relies on cookies or tokens. Changing IP does not delete those cookies; keeping an IP does not authenticate you on the website. Keep these mechanisms separate in your tools and troubleshooting.
When sticky continuity makes sense
A cart, multi-page journey or form test often needs the same context across several steps. Choose access with persistence that matches the test duration. If an unexpected change occurs, record the time, observed IP and workflow step before restarting cleanly.
When rotation is suitable
For independent observations, rotation can help distribute measurements across several exits. It does not permit you to ignore the limits of the target service. Schedule tasks, respect documented limits and stop attempts when the target refuses requests. Do not run unlimited automatic retries.
Measure the duration you actually get
Using test access, record the exit IP at regular intervals while keeping the same parameters. Note the observed duration, interruptions and behavior after inactivity. Repeat enough times to understand the variation without treating a single observation as a contractual guarantee. The ProxyCrest configurator records your requested mode; availability still needs to be confirmed.
Frequently asked questions
Does sticky mean a dedicated IP?
No. Session persistence and IP exclusivity are different properties. Ask separately whether the access is shared or dedicated.
Does rotation clear my cart?
It does not directly delete cookies. The website may react to a connection change, however, so check this behavior in your scenario.