Flujo de trabajo / aplicación de Automator para refrescar una pestaña determinada en Safari (o incluso en Crome)

Pega este script en el editor script y guárdalo como servicio. Asigna el servicio a un atajo de teclado.

tell application "Safari"
    activate
    tell current tab of window 1
        do JavaScript "location.reload();"
    end tell
end tell

EDITAR

tell application "Safari"
    activate
    tell window 1

        --options
        set myTab to tab 1
        set myTab to first tab whose URL = "https://apple.stackexchange.com/questions/224393/automator-workflow-app-to-refresh-a-given-tab-in-safari-or-even-crome/224431?noredirect=1#comment272178_224431"
        set myTab to first tab whose URL starts with "https://apple.stackexchange.com"

        if current tab is not myTab then set current tab to myTab
        tell myTab to do JavaScript "location.reload();"
    end tell
end tell

EDITAR 2 Selecciona tu ficha y ejecuta este script para obtener su nombre

tell application "Safari"
    activate
    tell window 1
        get name of current tab
    end tell
end tell

Rellena el nombre en este script:

tell application "Safari"
    activate
    tell window 1
        set myTab to first tab whose name = "insert name here"
        if current tab is not myTab then set current tab to myTab
        tell myTab to do JavaScript "location.reload();"
    end tell
end tell