No, it won’t be possible to make Chrome operate initially in headless mode and then switch back to normal mode within the same session. When you configure an instance of a ChromeDriver with ChromeOptions() to span a new Chrome Browsing Context the configuration gets baked within the chromedriver executable which will persist for the lifetime … Read more
Up to version 45 (pushed to version 47), the driver used to automate Firefox was an extension included with each client. But this extension was dropped, probably due to the change of policy which now requires all the extensions to be signed by Mozilla. Marionette is the new driver that is shipped/included with Firefox. This … Read more
There are different methods to avoid websites detecting the use of Selenium. The value of navigator.webdriver is set to true by default when using Selenium. This variable will be present in Chrome as well as Firefox. This variable should be set to “undefined” to avoid detection. A proxy server can also be used to avoid … Read more
Addressing your questions one by one: Why does Firefox require GeckoDriver? – For Mozila Firefox till version 47.x it was the legacy browser and we didn’t need gecko driver. Mozila Firefox from version 47.x onwards it comes with Marionette, which is an automation driver for Mozilla’s Gecko engine. It can remotely control either the UI … Read more
Unfortunately Selenium WebDriver 2.53.0 is not compatible with Firefox 47.0. The WebDriver component which handles Firefox browsers (FirefoxDriver) will be discontinued. As of version 3.0, Selenium WebDriver will need the geckodriver binary to manage Firefox browsers. More info here and here. Therefore, in order to use Firefox 47.0 as browser with Selenium WebDriver 2.53.0, you … Read more
This Question have been surfacing out quite often for sometime now since we migrated from the legacy Firefox releases to Marionette based Mozilla Firefox releases (beginning with Firefox 48). It is not clear what exactly you mean by the code was working with geckodriver-v0.16.1 for older firefox versions. In general, each GeckoDriver release supports each … Read more
Selenium using Python – Geckodriver executable needs to be in PATH