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October 23, 2025

# The Broken Image Links Checklist: What to Verify Before You Publish

Run through this before you consider broken image links actually done:

1. Check image URLs after any CDN migration or hosting change — this is the single most common cause of sitewide broken images.
2. Use descriptive, keyword-relevant filenames and alt text — beyond accessibility, alt text is what Google Images actually indexes on.
3. Serve images over HTTPS on an HTTPS page — mixed content warnings from HTTP images can block rendering in some browsers.
4. Compress and lazy-load below-the-fold images; broken links aside, oversized images are still one of the top page-speed issues on the web.
5. Double-check this after any site migration or major redesign, not just at launch.

None of these individually take long. The value is in doing all of them, every time, instead of remembering most of them most of the time.

Pair this with the 301 redirect chains checklist if you're doing a fuller pre-launch pass.

Image URL Checker runs through most of this automatically.

Try Image URL Checker yourself

Everything in this guide runs directly in your browser — no signup, no install.

Open Image URL Checker →
More on broken image links
Image URL Checker vs. Doing It by Hand: Is It Worth Switching?
A practical look at what Image URL Checker actually saves you over doing broken image links manually, and when manual still makes sense.
Does Broken Image Links Still Matter in 2026?
A quick, honest look at whether broken image links is still worth the effort, or a holdover from an older era of SEO.
Broken Image Links FAQ: Questions People Actually Ask
Straight answers to the questions that come up most often about broken image links.
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