Image display issues are among the most common signature problems. Here's how to diagnose and fix various image-related issues.
Common Image Problems
Broken Image Icons
Recipients see placeholder icons or "X" symbols instead of your images.
Images Not Loading
Images appear blank or don't display at all in certain email clients.
Size/Scaling Issues
Images appear too large, too small, or distorted compared to your design.
Slow Loading
Images take too long to load or cause email performance issues.
Diagnosing Image Issues
Test Your Image URLs
Copy the image URL from your signature and paste it into a web browser. If it doesn't load in the browser, the hosting or URL is the problem.
Check Email Client Settings
Many email clients block external images by default. Test your signature in multiple clients to identify client-specific issues.
Verify Image Properties
Check file size, dimensions, and format. Large files or unsupported formats can cause display problems.
Test Network Accessibility
Ensure your images are accessible from different networks and not blocked by firewalls or security settings.
Fixing Broken Image Icons
Verify Image Hosting
Ensure images are hosted on a reliable server that's publicly accessible. Firmana automatically hosts your images, but custom images need proper hosting.
Check Image URLs
Make sure image URLs use HTTPS (not HTTP) and don't contain special characters or spaces that could break the link.
Add Alt Text
Include descriptive alt text for all images. This text appears when images don't load and helps with accessibility.
Test Image Permissions
Verify that image files have proper permissions set to allow public access from email clients.
Prevention and Best Practices
Use Reliable Hosting
Host images on reliable, fast servers with good uptime. Firmana's hosting is optimized for email delivery.
Always Include Alt Text
Write descriptive alt text for every image. This ensures your signature remains informative even when images don't load.
Test Regularly
Periodically test your signature across different email clients and devices to catch image issues early.
Have Fallback Plans
Design signatures that still look professional and convey key information even when images don't display.
1. Test image URL in browser
2. Check file size and format
3. Verify HTTPS hosting
4. Add descriptive alt text
5. Test in multiple email clients
6. Check corporate firewall settings
Many organizations block external images for security reasons. Consider this when designing signatures for B2B communications and always include text alternatives.