Search Engine Roundtable 搜索论坛日报：汇总 Google 搜索及广告相关动态
Daily Search Forum Recap: September 28, 2026
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Search Engine Roundtable 汇总搜索论坛动态：Google September 2026 Spam Update 于周五开始显现影响，并在周六出现更多波动；两周 rollout 当时已进行五天。
来源：Search Engine Roundtable · seroundtable.com