NewA1 Local SEO Checker: our free Chrome extension shows what to fix on any website.Free SEO Checker for ChromeSee what it does

A1 LOCAL / DEVELOPER TOOLS

Small tools.
Useful everyday.

Inspect a page, check your work or find a starting point for your next build.

01 / IN YOUR BROWSER

A closer look at any page.

Choose a tool for the job. Check the store listing for browser compatibility and the latest available version.

Accessibility Quick Audit

Find common accessibility issues on the active page. Automated checks are a starting point for a fuller review.

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HTML Validity Checker

Check the rendered page for structural issues such as duplicate IDs and missing labels.

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Performance Snapshot

Review browser timing and resource information for the page you are visiting.

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Reader Mode + Local Reading List

Read visible page text in a simpler view and save a reading list on your device.

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Reverse Image Search Menu

Send an image URL or selected text to your chosen search engine from the right-click menu.

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02 / FOR YOUR NEXT BUILD

Start with something useful.

Our AdPages developer resources live on GitHub. Each repository has its own setup instructions, requirements and limitations.

03 / FOR YOUR WEBSITE

Tools for your platform.

Find installation details, compatibility and support through the official listing.