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TF-IDF是用於衡量頁面上的關鍵字重要性的詞頻-反文檔頻率。與關鍵字密度不同，它不僅僅考慮該詞在頁面上的使用次數；它還分析了一系列更多的頁面，並試圖確定這個或那個關鍵字的重要性。
舉個例子，在汽車維修中，詞組“輪胎維修”可能比“渦輪增壓發動機維修”更重要，因為每輛汽車都有輪胎，只有一小部分汽車有渦輪增壓發動機。因此，“輪胎維修”這個詞將被更多討論汽車維修的頁面所使用。
這就是WebSite Audit中的TF-IDF報告所能捕捉到的！
通過查看您眾多競爭對手的關鍵字使用統計數據，TF-IDF公式將向您展示：
何時使用TF-IDF分析？
為什麼使用TF-IDF報告？
計算內容優化因素。同時，分析您的頁面對目標關鍵字的優化程度。
發現您排名靠前的競爭對手正在使用的關鍵字和短語
找到使用過少或使用過多建議的詞語和短語，看看您如何修改副本以提高相關性
TF-IDF報告的工作原理是什麼？
TF-IDF報告基於一個特定的公式，詞t在文檔d中，詞t在文檔d中的權重Wt,d由以下公式給出：Wt,d = TFt,d log (N/DFt)
最後的思考
HulkApps為Shopify提供全方位的TF-IDF報告服務，幫助像您一樣的商店所有者在文件/網站中提取最具描述性的術語...
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In order to keep everything on track we have developed our own communication tool. It is great to have all the project communication including attachments and invoices in one place.
There will be a dedicated team working on the projects coming from you. You will be regularly updated on the progress on your email address.
We are confident enough in the quality of our service to offer one of the most liberal refund policies around. Unsatisfied with a service from HulkApps? You will get a full refund on any order for any reason.
We are a group of 140 in-house Shopify coders, programmers, marketers, and designers with over 10 years of industry experience.
We need to recharge our batteries but in the case of an urgent project, we make exceptions and overcome the craziest deadlines.
We offer 2-price options depending on completion time. While placing an order you will see the approximate delivery date. We may adjust the delivery date depending on project complexity. We start working only after the client's approval of delivery date and price.
We offer unlimited revisions. Bug fixes and minor tweaks are always on us. Additions and sizable changes will be charged separately.
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We use USD (United States Dollars).
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Based on project scope, we provide discounted packs. We have substantial custom discounts and great delivery adjustments for large scale projects. After we review your requirements, a further price adjustment is made.
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Rising to serve you better, we are delighted to announce that PlanetX has been acquired by HulkApps, a Chicago-based leading Shopify agency. The combination of HulkApps Shopify services and PlanetX's strong capabilities in the eCommerce industry will lead to continued growth for both companies.
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