Posting the same thing on every platform

Key takeaways

Cross posting mistakes happen when a business posts the same file, caption and hashtags on every platform without change. Each platform rewards different lengths, formats and openings, so the same post suits one and underperforms on the rest. Keep the idea, then adapt the format and first line for each platform.

• Keep the idea; change the format and first line.
• Vertical video for TikTok, Reels and Shorts; text-led for LinkedIn.
• Hashtag blocks look out of place on Facebook and LinkedIn.
• Adapting a post usually takes about 5 to 10 minutes per platform.

Why does unchanged cross-posting underperform?

Unchanged cross-posting underperforms because platforms and their audiences differ. LinkedIn readers expect a point of view in the first lines; TikTok viewers decide in a second or two; Facebook users respond to local and conversational posts. One version cannot fit all of them.

• The most common social media marketing mistakes small businesses make
• Repurposing content across social media channels

What are the giveaway signs of cross-posting?

The giveaway signs are Instagram hashtags on LinkedIn, '@' tags that do not work on the other platform, landscape video cropped awkwardly into vertical feeds, watermarks from another app, and 'link in bio' on platforms where links can go in the post.

• Social media mistakes by platform, from Facebook to TikTok

How do you adapt a post quickly?

Adapt a post by changing four things: the first line or first two seconds, the format and shape, the length of the caption, and the call to action. The core idea, proof and images can stay.

• 1. Rewrite the opening for the platform.
• 2. Resize or recut the visual.
• 3. Trim or extend the caption.
• 4. Use the platform's own way to act.

When is cross-posting fine?

Cross-posting between Instagram and Facebook can be fine for simple local posts, because Meta designed the tools for it and audiences overlap. Check how each version looks, remove anything that does not work on the second platform and reply on both.

How do you spot unchanged cross-posting?

Spot it by opening the same post on each platform on your phone and comparing them. Look for tags that do not link, hashtags that look out of place, awkward crops and watermarks from another app. Then compare results by platform: a version that always lags is usually the one that was copied rather than adapted.

• '@' tags that do not link on the second platform.
• Cropped or letterboxed video.
• Another app's watermark.
• The same caption length everywhere.

What does this look like in practice?

A pattern we see: one Instagram post with twenty hashtags copied to LinkedIn and Facebook every day. Rewriting the LinkedIn version as a short lesson and dropping hashtags on Facebook usually takes minutes and often improves how the post does on both.

• See client work
• Social Media Marketing for UK businesses

Cross-posting checklist

• Rewrite the opening per platform.
• Resize visuals to each format.
• Remove platform-specific tags and hashtags.
• Use each platform's own call to action.
• Reply to comments on every version.

• Posting too often: when more posts bring fewer results
• Hashtag mistakes that make business posts look spammy

Next step

Take your next post and write a different first line for each platform before you publish. Compare how each does after a week.