Unverified50% confidenceFactExact time
X (formerly Twitter) has a 280-character limit.
1
Sources
50%
Confidence
Long-term
Relevance
9/7/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedTwitter's 140-character limit originally stemmed from the technical constraints of the SMS protocol.76% similarUnverifiedThe X (Twitter) platform algorithm down-ranks tweets containing external links, and tweets with external links typically receive 40–60% fewer impressions than plain-text tweets.64% similarUnverifiedInstagram帖子的最佳文案长度通常在138-150个字符之间，尽管平台支持2200字符63% similarUnverifiedTwitter/X has a character limit, LinkedIn favors professional long-form content, and Instagram emphasizes visual storytelling.60% similarUnverifiedYouTube's title character limit is 100 characters.58% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/870097API
curl https://kongchang.com/api/v1/knowledge/claims/870097MCP
get_claim(id=870097)