Google is constantly testing things from new algorithms that we cannot directly see, to the user interface that we do directly see. In a recent Google test, Google is showing the old top navigation bar, in black.

Here is what you should normally see, no top black bar:

Here is what Google is testing, that thin black top navigation bar:

@HydrophobicDuck shared these photos with me, saying he is seeing the new top bar randomly.

Google has tested the top navigation bar a crazy amount of times. Here are a select few of what we’ve covered in the past on these tests:

Google’s Black & Gray Design Is Here To Stay
Google Tests Black Bar
Google Goes Gray With New Design Test
Here Come The White Google Navigation Bar Complaints…
Google Tests Boxy Navigation Bar
Goodbye Black Google Bar, Welcome Google Drop Down Menu
Google’s Top Down Navigation Design Going Global
Google Changes Navigation Bar Again
Google Testing Another Top Bar Navigation Look
Google Testing New Alternative Search Navigation Links
Google To Launch New Top Navigation: White Top & Box Bar
Google White Bar & App Launcher Official, As Expected…

Forum discussion at Twitter.