Images help communicate information, but search engines and screen readers cannot “see” them the way people do. They rely on descriptive text and proper formatting.
For government websites, optimizing images improves:
Accessibility compliance
Search visibility
Page load speed
Public clarity
Government sites commonly include images such as:
City Council meeting photos
Community event images
Public safety infographics
Department staff photos
Facility images
Emergency graphics
Without proper optimization, images can:
Slow down the website
Reduce accessibility compliance
Harm search performance
Confuse screen reader users
Optimization ensures images are helpful, not harmful.
Before uploading an image, rename the file clearly.
Avoid:

Use:

File names help search engines understand image content.
Alt text describes an image for screen readers and search engines.
Good alt text:
Describes what is visible
Is concise
Adds context
Avoids unnecessary phrases like “image of”
Example:

Avoid:



Alt text supports ADA compliance.
If an image is purely decorative:
Keep alt text minimal
Or leave it blank if appropriate
Example:
A decorative divider graphic does not need detailed description.
Focus on meaningful images.
Large image files can slow down the website.
Before uploading:
Resize to appropriate dimensions
Avoid uploading images larger than necessary
Compress images if possible
Faster websites improve usability and search performance.
Do not upload scanned images of:
Meeting notices
Agendas
Public announcements
Policy updates
Instead:
Publish text directly on the page
Upload accessible PDFs when necessary
Text inside images is not accessible and cannot be indexed properly.
Captions can:
Add context
Clarify dates
Identify events
Provide official attribution
Example:

Captions improve clarity.
Do not add images simply for decoration.
Use images that:
Support the content
Clarify information
Enhance understanding
Relevance improves professionalism.
Before publishing:
Is the file name descriptive?
Does the image have meaningful alt text?
Is the image appropriately sized?
Does it support the content?
Is it accessible and readable?
If yes, the image is properly optimized.
Optimized images improve:
Accessibility
Search visibility
Website speed
Public clarity
For government websites, accessibility and clarity are priorities.
Proper image handling supports compliance and public trust.