...
Klienta puses pārlūka spraudnis / paplašinājums
For "eParaksts Token Signing" functionality, a custom plug-inplugin/Extension must be installed on the end user's computer for browsers that communicate with the smart card.
...
Using the JavaScript API function getBackendInfo, it is possible to determine the state of the installed plugin/extension. In situations where the plugin/extension is not installed or its version is out of date, the user should be redirected to a website where the installation package for the latest version of the plugin/extension can be obtained.