LinkedIn Guides, Benchmarks & Specs
Reference guides for people who post on LinkedIn seriously: the algorithm, post specs, carousels and impressions. Every page leads with a direct answer, shows when it was last verified, and cites our own data rather than recycling the same folklore.
6 articles
- Posting Mechanics & Scheduling
How long a LinkedIn post should be
We tested the 1,300-character rule on 83,495 LinkedIn posts. Length barely matters, and the huge gradient you see in the raw numbers is an illusion.
ReadJul 2026 - Start herePost Specs & Limits
LinkedIn character limits
Every LinkedIn character limit for 2026 in one table: posts, headlines, the About section, messages, comments, company pages and polls.
ReadJul 2026 - Post Specs & Limits
Photos per LinkedIn post
You can post up to 20 photos in a single LinkedIn post. The image limits, the specs LinkedIn requires, and how a multi-image post differs from a carousel.
ReadJul 2026 - Post Specs & Limits
LinkedIn banner size
The LinkedIn banner size is 1584 x 396 pixels. Exact dimensions for personal and company banners, plus the mobile safe zone your profile photo covers.
ReadJul 2026 - Post Specs & Limits
LinkedIn image sizes
Every LinkedIn image size for 2026, covering posts, carousels, banners and link previews, with the aspect ratios that survive the mobile crop.
ReadJul 2026 - Start hereAlgorithm & Reach
How the LinkedIn algorithm works
We tested LinkedIn algorithm folklore (hashtags, post length, timing, hook formulas) on 130,000 posts by 2,500 B2B creators. Two things work. Nine don't.
ReadJul 2026