Task Answers
Unoptimized Images

Unoptimized Images

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Date Published

October 3, 2025

Table of contents

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Unoptimized images are too large or missing alt text, slowing load times and hurting SEO.

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Key Takaways

Increase page weight.
Hurt Core Web Vitals.
Reduce accessibility.
Fix with compression and alt tags.
Use next-gen formats (WebP/AVIF).
Improves image SEO visibility.

Frequently Asked Questions

What are unoptimized images?

They slow sites and hurt SEO.

Why fix them?

They slow sites and hurt SEO.

How to optimize images?

Compress, use alt text, next-gen formats.

Do images affect CWV?

Yes, especially LCP metric.

Does alt text matter?

Yes, for SEO and accessibility.

Step by Step Plan

01

Audit Images

Check size and alt text.

02

Compress & Convert

Use WebP/AVIF.

03

Add Alt Text

Make descriptive and relevant.

04

Add Alt Text

Improve performance.

05

Re-Test

Use PageSpeed Insights.

Comparison Table

Unoptimized Images
Optimized Images
Large files
Compressed
Slow load
Fast load
No alt text
Alt text
Poor UX
Better UX
SEO loss
SEO gain

Sources

Google Image SEO Docs
Web.dev on Images
Ahrefs Blog