https://nomadwithl.com/blog/tags/%E6%88%90%E6%95%88%E8%BF%BD%E8%B9%A4/Recent content in 成效追蹤 on Nomad With L 洞察筆記Hugozh-Hant2026 Nomad With LWed, 15 Jul 2026 00:00:00 +0000https://nomadwithl.com/blog/posts/post-38-ads-roi-tracking/Wed, 15 Jul 2026 00:00:00 +0000https://nomadwithl.com/blog/posts/post-38-ads-roi-tracking/花了廣告費卻不知道有沒有效？本文教你計算廣告 ROI、ROAS、CPA 等關鍵指標，建立完整的追蹤系統，讓每一分廣告預算都有據可查，不再瞎子摸象。