Etna Interactive

Effectively Using Images in Blog Posts (Updated 2026)

Writing quality blog content is essential—but text alone rarely delivers the strongest results. Images play a critical role in how readers engage with a post, how quickly they understand its message, and how search engines interpret the page. 
 
When selected and optimized thoughtfully, images can:
 
  • Add context and clarity to written content
  • Draw attention to key ideas
  • Improve readability and user experience
  • Support accessibility and search visibility

In the video below, we walk through how to think like a designer when incorporating images into a blog post. To build on those ideas, this post also covers modern image optimization best practices, including technical SEO considerations that help images support performance, not just aesthetics. 

Slide from the video highlighting how images add engagement and clarity to blog content.

Beyond aesthetics, images also play a meaningful role in how content performs and is understood.

Why Images Matter for Engagement and Search Visibility

Images don’t just make blog posts more visually appealing; they play a direct role in usability, accessibility, and search performance. Well-optimized images can improve page engagement, support accessibility standards, and help search engines better understand your content.

From an SEO and AEO perspective, images provide additional context signals when they are:

  • Properly named
  • Accurately described
  • Technically optimized for performance

Modern Image Tools (Including AI)

In addition to traditional tools like Photoshop, many teams now use AI-assisted platforms to speed up image creation and optimization.

Common options include:

  • AI image generators for custom illustrations or concept visuals
  • AI-powered background removal and resizing tools
  • Tools that automatically generate image variations for different layouts

While AI can be a powerful starting point, images should still be reviewed for accuracy, relevance, and brand consistency—particularly in medical marketing.

Image Optimization Best Practices for Blog Posts

When adding images to blog content, optimization matters just as much as selection.

Key considerations include:

  • Descriptive, keyword-relevant file names (not image123.jpg)
  • Accurate alt text that explains the image for screen readers
  • Proper sizing and compression to avoid slowing page load
  • Logical placement near relevant text

These steps help images support both technical SEO and accessibility, which are increasingly important ranking and usability factors.

Image Optimization Checklist

Optimization Area To ReviewWhat To Check
Image Purpose & IntentThe image adds context or clarity, not just decoration
File Naming ConventionsDescriptive, human-readable, and keyword-relevant file names
Alt Text for AccessibilityClearly describes the image and its relevance to the content
Image File SizeCompressed to reduce load time without sacrificing quality
Image DimensionsSized appropriately for its on-page display
Image File FormatUses the correct file type (JPEG, PNG, or web-optimized formats)
Image Placement on PagePositioned near the content it supports
Mobile Display BehaviorDisplays cleanly without disrupting reading flow
Visual Consistency & BrandingMatches brand style and visual standards

Turn Image Best Practices Into Consistent Results

Understanding how to use and optimize images is only part of creating effective blog content. Applying those best practices consistently across posts, platforms, and formats is where many teams need additional support.

Etna Interactive works with medical practices to develop content and design systems that balance visual impact, performance, and compliance. From blog strategy and image optimization to scalable content standards, we help practices turn best practices into repeatable results.

Connect with Etna Interactive to learn how a cohesive content and design strategy can strengthen your digital presence.


Sign up for our newsletter to have these articles emailed to you.

Leave a Comment

Fields marked with * are required.

What happens when the best photo gallery in the business meets AI? First Draft for Curator B&A generates SEO-optimized case descriptions for next-level gallery visibility and performance.