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Why should I look at a film strip? |
By looking at some of the individual images in a film strip, we can isolate where and when certain changes in the page occur.
Some examples of this can be in the form of:
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Subtle shifts of objects/elements on the page,
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Objects not loading or missing
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Objects loading slowly
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Objects shifting dramatically (impacting CLS)
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Unexpected elements loading
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Additional filter options not loading
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Images loading, disappearing, then reloading
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Images resizing after loading
See also: What is a film strip?