How to A/B Test Titles & Thumbnails
50sDirectly addresses a common creator pain point with a clear how-to, making it highly actionable and shareable.
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YouTube's A/B testing feature allows eligible creators to test up to three video titles and/or thumbnails to determine which combination generates the most watch time. The feature is available on YouTube Studio for public, long-form videos and provides statistical results to help optimize video performance.
Chapters
[0:00]
Introduction to A/B Testing
YouTube's A/B testing lets creators choose up to 3 titles and/or thumbnails to test with viewers to pick the winner.
[0:12]
How to Start a Test
Eligible creators can use the feature via YouTube Studio desktop when publishing a new video or on an existing video's Video Details page.
[0:26]
Test Types
Creators can choose between Title only, Thumbnail only, or Title and Thumbnail combination tests.
[0:35]
Title and Thumbnail Limits
Up to three titles (under 100 characters each) or three thumbnail images can be tested. For combinations, three title-thumbnail pairs can be tested.
[0:55]
Availability and Start
A/B testing is only for public, long-form videos. The test starts once the video is published.
[1:02]
How the Test Works
YouTube shows the options evenly across the audience and selects a winner based on which generates the most watch time share.
[1:17]
Monitoring the Test
Creators can check the test status on the Video Details page under 'View test report', showing time left and performance.
[1:30]
Test Duration
Results may take a few hours to a couple of weeks, depending on how similar the options are and the video's traffic.
[1:52]
Test Results
If statistically significant, a 'Winner' label appears and YouTube automatically updates the video. If 'Performed Same', the first option is selected.
[2:20]
Manual Control
Creators can always manually select the title and thumbnail, or run a new test (which deletes the old experiment).
[2:33]
Best Practices
Titles and thumbnails must follow Community Guidelines. They should work together and help viewers understand the video content.
[3:10]
Testing Strategy
Start with a limited selection of older videos, then test recent videos for meaningful insights. Test thumbnail variations with different layouts and elements.
[3:34]
Thumbnail Tips
Use balanced images with a focal point, high contrast, minimal text, and consider depth of field and blank space.
YouTube's A/B testing feature helps creators optimize titles and thumbnails by providing data-driven insights. By testing variations, creators can improve click-through rates and overall video performance.
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Study Flashcards (6)
How many titles can you test in a single A/B test?
easy
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How many titles can you test in a single A/B test?
easy
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Up to three titles.
0:35
What is the character limit for titles in A/B testing?
easy
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What is the character limit for titles in A/B testing?
easy
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Under 100 characters.
0:35
What metric does YouTube use to determine the winning thumbnail?
medium
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What metric does YouTube use to determine the winning thumbnail?
medium
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The one that generates the most watch time share.
1:08
What does the 'Performed Same' label indicate?
medium
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What does the 'Performed Same' label indicate?
medium
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All test options had similar watch time performance.
2:06
Can you run a new A/B test after a test is complete?
hard
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Can you run a new A/B test after a test is complete?
hard
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Yes, but it will delete the old experiment.
2:24
What types of videos are NOT eligible for A/B testing?
medium
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What types of videos are NOT eligible for A/B testing?
medium
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Videos designated as made for kids, for mature audiences, or live videos.
2:41
💡 Key Takeaways
🔧
Test Mechanism
Explains how YouTube evenly distributes test options and selects a winner based on watch time share.
1:02
📊
Performed Same Result
Clarifies that if no clear winner, the first option is selected, giving creators control.
2:06
⚖️
Purpose of Titles and Thumbnails
Emphasizes that they help viewers understand the video, not just get clicks.
2:47
🔧
Thumbnail Design Tips
Provides actionable advice on balance, contrast, text, and depth of field.
3:34Full Transcript
[00:00] Not sure which title or thumbnail to use?
[00:02] Try “A/B testing,” a feature that lets you
[00:08] thumbnails to test with viewers to help
[00:12] Eligible creators can use the “A/B testing”
[00:17] when publishing a new video, or with an
[00:22] click the icon under the ‘Title’ section
[00:26] choose if you want to run a Title
[00:31] or a Title and Thumbnail test.
[00:35] to three different titles to test.
[00:39] For thumbnail only, you can upload three
[00:44] prefer. For title and thumbnail, you can add
[00:50] After you’ve added your titles, thumbnails or
[00:55] only available for Public, long form videos, and
[01:01] Here’s how the test works:
[01:02] YouTube will show your chosen titles and/or
[01:08] and will select a winning thumbnail based on
[01:13] You can check the status of your test at
[01:17] page and clicking “View test report”
[01:22] You’ll see how much time is left for the
[01:26] also choose to stop the test and manually
[01:30] If you let the test run, the results
[01:35] of weeks to be finalized.
[01:37] the results is affected by factors like:
[01:43] are (the more they differ, the
[01:46] And your video traffic (the more
[01:49] the faster your test will finish)
[01:52] the test report will show the results
[01:57] you’ll see a “Winner” label. YouTube will
[02:01] thumbnail to this winner when the test is done.
[02:06] This result indicates that all test options had
[02:11] clear winner, or if the options “Performed
[02:15] will be selected and shown to your audience.
[02:20] up to you – you can always manually select
[02:24] You can also choose to run a new test, but
[02:29] Now let’s walk through some things
[02:33] using the “A/B testing” feature:
[02:36] our Community Guidelines, and the tool will
[02:41] made for kids, for mature audiences, or live.
[02:47] an important purpose beyond getting viewers to
[02:52] video is about so that they don't waste
[02:56] Remember that your title and thumbnail should
[03:01] testing title and thumbnail combinations
[03:05] viewers understand what your video is about.
[03:10] a limited selection of older videos for
[03:15] recent videos you think will provide the most
[03:19] We also recommend testing thumbnail
[03:23] layout compositions and changes to thumbnail
[03:28] object placement) to learn which resonates most
[03:34] Ensure your images are balanced, with a focal
[03:39] Utilize high contrast, allowing
[03:43] the background in both light and dark mode.
[03:49] impactful, while too much text can be
[03:53] And finally when it comes to depth of field, keep
[03:58] We hope the A/B testing feature will help you
[04:03] and thumbnails, and help your overall video
[04:07] check out the links below. Thanks for watching!