Image audit: alt text, file size and format
Find images with no alt text, broken files and oversized images, across the whole site.
Free 20-page scan · No sign-upImages
Images are usually the heaviest thing on the page
And also the most overlooked: empty alt text, files several megabytes in size or photos that no longer exist. We check every one of them.
What we check
Across every page, on mobile and desktop.
Across every page, on mobile and desktop.
- No alt textImages with no alt attribute, with the page and their position on it.
- Filler alt textAlt text like “image” or the file name, which counts as empty.
- Broken imagesImages that return an error and leave a gap in the page.
- Modern formatsImages that would weigh less as WebP or AVIF, and how much you’d save.
- Width & heightImages with no dimensions set, which make the content jump.
- Lazy loadingImages below the fold that load before they need to.
How it shows up in your report
Every issue with its exact location, why it matters and how to fix it.
High147 images with no alt text
Where/products/camera-x · Gallery, photo 3
Why it mattersScreen readers can’t describe them and Google Images loses context.
How to fix itAdd a descriptive alt; use an empty alt only on decorative images.
FAQ
Do you check background images too?
We check the images in the HTML and the ones loaded by the main CSS.
Do you tell me how much I’d save?
Yes, we estimate the file size saved per image and the total for the page.
Do you detect generic alt text?
Yes, we flag filler alt text as if it were empty.
Does it affect SEO?
Yes: alt text gives Google Images context, and file size feeds into speed.
Try it on your own site
We’ll scan 20 pages free in under two minutes — no sign-up.
- ✓ Nothing to install
- ✓ Mobile & desktop
- ✓ 14-day money-back guarantee