October 2026 brought yet another update to the ever-changing X (previously Twitter) algorithm, announced by Elon Musk via his personal account. He noted a new AI/SI ranking model that predicts time spent reading posts and a refreshed retrieval model focused on posts people read all the way through.
While his post is short, we social media pros can glean a lot from it using historical data and context clues.
What the Update Means in Action
The significant change here is the emphasis on time spent viewing/reading a post. Previously, X’s automated system determined posts for your feed based on your likelihood to interact, including liking, replying, reposting and spending time viewing the post. Tracking attention isn’t entirely new, but it now gets more emphasis than standard engagement.
You’ll no longer be served the post with more likes, but the post where X predicts you’ll spend the most time.
How Content Strategies Should Adapt
Drafting content that requires longer read time is key to cracking the code. Include detailed explanations, a thoughtful breakdown of context and paced storytelling to encourage users to keep reading. This doesn’t necessarily mean longer posts win. A short, compelling post might perform well because nearly everyone reads it all the way through.
Other “For You” Feed Updates
While Musk shared the AI/SI ranking and retrieval model updates, technical experts have pieced together more changes via X’s “For You” open-source ranking algorithm, accessible via GitHub.
Here’s what stands out:
- Conversations with mutuals are heavily favored. Replies to an original post from someone you mutually follow are powerful. Ensure you’re following users who regularly engage with your posts, or who share interesting content you might like to engage with. This emphasizes the power of community building and two-way conversations on the platform.
- Sharing posts via “copy link” has the biggest impact on the algorithm compared to all engagements. Replies, quotes and DM shares come next, and likes are last. Create valuable content that your audience will want to share.
- The first two hours matter most for reach and boost. Posts older than 48 hours rarely appear in the “For You” feed. Repeated posts from the same author are scored low. Post less, but make each post stronger.
Never Let an Algorithm Change Hurt Your Performance
Social media algorithms are constantly changing.
Sometimes the updates are clear, and our recommendations are direct. Other times, platforms keep the inner workings confidential, and we learn from repetition and results.
By working with an always-on social media team like Bospar, you have experts at your disposal who live and breathe social media news. Our job is to adapt to the fast-moving social media world and create content that helps your company reach its goals. We’ve worked with clients across dozens of verticals to tailor strategies that will perform best with their audiences.
