X (Twitter) Optimization & Algorithm Blog

Expert technical insights, platform character limit breakdowns, copywriting formatting strategies, and Unicode algorithm analyses to help you maximize your reach on X.

Engineering & Algorithm 8 min read • 100k Study

How Our X Character Counter Calculates Post Length

A comprehensive technical guide and empirical study of 100,000 drafts: raw vs. weighted string metrics, Unicode NFC normalization, 23-char URLs, emoji weights, expert copywriter insights, and cross-platform tables.

𝕏 Engineering Team

Read Guide →

Ready to craft high-performing, perfectly-weighted posts?

Test your draft in real-time with automatic URL shortening simulation, emoji weighting, and instant 1-click publishing.

Open Twitter Character Counter →