Blog Post

Your post is live. It looks good. But the engagement? Crickets.

If you’ve ever hit “publish” and wondered why nobody’s clicking, liking, or commenting—it might not be the algorithm’s fault. It might just be the design.

After nearly a decade designing for social, I’ve seen small design missteps quietly ruin the performance of otherwise great content. The fix? Spot the mistake early, adjust fast, and keep your visuals working for you, not against you.

In this post, I’ll walk you through:

• The most common Instagram and Facebook post design mistakes
  
• Why they kill engagement or credibility (and sometimes both)
  
• How I correct them in my own client work
  
• Simple tweaks to turn low-performing posts around
  

No fluff. Just the stuff that costs engagement—and how to fix it.

Let’s start with the classic: cramming an entire caption into your image.

What it does:

• Overwhelms the viewer
  
• Decreases readability (especially on mobile)
  
• Makes your post look cluttered and rushed
  

Fix it: Keep your visuals clean. Use short, high-impact headlines. Let the caption do the explaining. If it doesn’t fit in a few lines, turn it into a carousel.

Want more layout strategies? I’ve shared some scroll-stopping design tips here.

Fonts should guide attention—not confuse it. Mixing three or more fonts (or changing them post to post) makes your content look disconnected.

Fix it:

• Stick to 1–2 brand fonts
  
• Use visual hierarchy: one font for headings, another for body text
  
• Keep sizes and spacing consistent across posts
  

Need help building a consistent system? Check out my article on maintaining brand consistency in post design.

Great colors mean nothing if people can’t read your text. Soft gray on white or yellow on light blue? Not helping anyone.

Fix it:

• Always test your contrast on mobile
  
• Use bold colors for text and neutral tones for backgrounds
  
• Avoid using similar hues for both elements
  

For more help with layout and palette choices, I broke it down in this color and font guide.

Instagram and Facebook are mobile-first. That means your design needs to work in the palm of someone’s hand.

Common mistakes:

• Text or logos that are too small
  
• Content pushed to the edges and cropped
  
• Tiny CTAs that go unnoticed
  

Fix it:

• Design in vertical formats (4:5 or 9:16)
  
• Keep key elements centered and spaced well
  
• Preview posts in mobile view before publishing
  

When everything is bold, nothing stands out. Visual hierarchy is what guides the viewer’s eye.

Fix it:

• Use size, spacing, and contrast to create order
  
• Emphasize one headline or key point per post
  
• Let your CTA pop with white space around it
  

If you’re not sure where to start, I’ve listed high-performing format examples in this design strategies post.

People scroll past what feels fake or overly polished. Stock images without context or customization often fall flat.

Fix it:

• Use custom graphics, branded photos, or add overlays to stock images
  
• Incorporate brand elements like colors, logos, or filters
  
• Showcase real people, products, or behind-the-scenes content
  

Want ideas to make your visuals more engaging? Explore these design template tips.

A great visual without direction is a missed opportunity. People need to know what to do next.

Fix it:

• Add “Save this,” “Share with a friend,” or “Click to learn more” directly into the graphic or caption
  
• Make CTA text visually distinct (bold, boxed, or spaced out)
  
• Repeat it in your caption for clarity
  

I explain how to place visual CTAs effectively in this design tactics post.

Not every post needs to sell—but it should serve a purpose. If your design doesn’t reflect a goal, it won’t perform.

Fix it:

• Define your post goal before designing (engagement, awareness, traffic?)
  
• Choose layout and visuals that match the intent
  
• Design with that one goal in mind—no distractions
  

Need help pairing format to purpose? Check out Instagram vs Facebook design differences.

What works on Instagram might not perform well on Facebook—and vice versa.

Fix it:

• Adjust post size, font size, and layout based on the platform
  
• Know how each platform crops or previews posts
  
• Avoid auto-crossposting without design tweaks
  

I compare what works best on each platform in this detailed guide.

Templates are helpful—but only if they’re used thoughtfully. Overusing default templates makes your posts look generic.

Fix it:

• Customize templates to match your brand
  
• Change fonts, colors, image placements
  
• Avoid using the same structure in every post—rotate layouts weekly
  

Need smart templates? Here’s what I recommend: social media design templates.

Your content could be amazing—but if it’s wrapped in a weak design, most people won’t give it a chance.

These 10 mistakes are fixable. They don’t require expensive tools—just awareness, consistency, and purpose.

If you’re struggling with post performance, start here: clean up your design, clarify your message, and be intentional with every post you create.Still unsure where you might be slipping up? Revisit my full guide on creating engaging post designs to refine your approach.