... use it to tab to the first editable box on a page and nothing happens.That is not surprising as it doesn't send the text but pastes it, so it isn't sending "tab tab tab + text" but just "^v"
You could try make it a script, if you know it is always 3 tabs:
Code: ( autohotkey)
Send {Tab 3}
Sleep 100
Send ^vWhen it comes to browser automation relying on clicks and tabs is too tricky and you should really look into other options (also via AutoHotkey) - in no particular order:
* Rufaydium (using webdriver) https://www.autohotkey.com/boards/viewtopic.php?f=6&t=102616
* UIAutomation with a focus on Chrome https://www.autohotkey.com/boards/viewtopic.php?t=104999
* Chrome.ahk https://www.autohotkey.com/boards/viewtopic.php?t=42890

