on_change: typing.Callable[[T, T], None] | None = None,
When reviewing tracking data, look for patterns rather than obsessing over individual fluctuations. Is your visibility generally improving, declining, or stable? Which topics show stronger AI citation rates? Where are competitors consistently appearing instead of you? What queries used to show your content but no longer do? These patterns inform where to focus future optimization efforts and what's working well versus what needs adjustment.
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根据公式计算可得，α=0.0072973……，取倒数非常接近137。，更多细节参见体育直播
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