How Follow-Back Scores Work: Building a 1-99 Ranking for X Accounts in a Chrome Extension
When you're trying to grow a small account on X, the hardest question isn't "what should I post?" It's "whose attention is actually worth my time?" Following people at random fills your feed with noise and rarely builds a real audience. So while building GrowX , my Chrome extension for X growth, I spent a lot of time on one feature: a follow-back score that rates any account from 1 to 99. This…
When growing a small account on X, the key question isn't what to post, but whose attention deserves your time. To address this issue, the author developed a Chrome extension called GrowX, featuring a follow-back score ranging from 1 to 99. This score estimates how likely an account is to follow you back, ranking potential targets for engagement.
The scoring system considers six signals, each contributing to the overall score in a weighted manner. Factors such as follow ratio, recent activity, account size, profile completeness, niche relevance, and account age all play a role in determining the score. The extension runs entirely on the user's device, processing scores locally without any server interaction.
This approach ensures speed, privacy, and cost-effectiveness for the author, a student with a pre-revenue product. To use the follow-back score effectively, the author recommends starting with relevant sources, such as creators in your niche, sorting accounts by score, and carefully reviewing bios. By focusing on high-scoring targets and measuring follow-backs by source, the author was able to optimize their growth strategy.
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