Guides
Posting guides
Quick reads for the things people get wrong most often. Each starts with the short answer.
X (Twitter) Image Sizes for 2026
X (Twitter) image sizes for 2026: what X officially says about post photos, header and profile photo, the sizes that display well, file limits and alt text.
3 min read →How to Write a Thread on X People Finish
How to write an X (Twitter) thread: a first post that earns the click, one idea per post, when to number, where to put links and how to post it without mistakes.
2 min read →Posting on X From Your Phone, Faster
A quicker routine for posting on X (Twitter) from a phone: draft, count, fix images and links, then post. Plus share-sheet and home-screen tricks that save taps.
2 min read →How X (Twitter) Counts Characters
How X (Twitter) counts the 280: weighted characters, why emoji and CJK count 2, why every link is 23, NFC normalization and the surprises like the ellipsis.
2 min read →Alt Text on X (Twitter): A Quick, Practical Guide
How to add image descriptions (alt text) on X (Twitter), what to write for photos, screenshots, charts and memes, and the 1,000-character limit.
2 min read →Clean Links and UTM Tags on X
How links work on X (Twitter): t.co wrapping and the 23-character count, removing tracking parameters from shared links, and naming your own UTM tags sensibly.
2 min read →Hashtags on X: Format, Placement and How Many
How hashtags work on X (Twitter): what X turns into a link, CamelCase for readability, where to put them, how many to use and the mistakes that break them.
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