diff --git a/src/drivers/webextension/js/driver.js b/src/drivers/webextension/js/driver.js
index 5bbfaeac0..2ece03254 100644
--- a/src/drivers/webextension/js/driver.js
+++ b/src/drivers/webextension/js/driver.js
@@ -267,13 +267,7 @@ const Driver = {
             )
           })
 
-          if (
-            headers['content-type'] &&
-            (/\/x?html/.test(headers['content-type'][0]) ||
-              /\/plain/.test(headers['content-type'][0]))
-          ) {
-            await Driver.onDetect(request.url, analyze({ headers }))
-          }
+          await Driver.onDetect(request.url, analyze({ headers }))
         }
       } catch (error) {
         Driver.error(error)