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Usability

Tap Target Size Tester

Check if links and buttons are appropriately sized for touch.

Tap Target Size Tester

About this tool

Verify that clickable elements on your webpage are large enough for mobile users to tap accurately. Google recommends tap targets be at least 48x48 pixels.

Font Size Checker

Analyze your website's font size and readability.

URL checkOpen Meta Viewport Tag Checker

Ensure the correct Meta viewport tag is in place.

URL checkOpen Flash Test Tool

Check if your website has Flash content enabled.

URL checkOpen
No signup, no catch

What the free tools actually do

Seven of them run in the browser and ask for nothing. The eighth asks for a domain and an email, because it has to send you a report.

  • best AI visibility trackerDaily
    ChatGPT
    Gemini
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    Claude

    A real check, right now. Four models asked your question, with the answers they gave back.

  • Prompt ideas
    what is AEO2.4k
    best AEO tools1.1k
    AEO vs SEO860

    Prompt research, free. A sample of the ideas the paid research page ranks.

  • A crawler that only reads. It fetches your pages the way an AI crawler would and never writes.

  • Generators
    llms.txtGenerate
    FAQ schemaGenerate
    Article schemaGenerate

    Copy-paste output. llms.txt and schema markup you can paste straight into the page.

  • 30sto a visibility report on your domain

    Use it in the pitch. Screenshot it, export it. White-label and weekly is the paid plan.

Everything you're wondering

Or ask us anything at hello@zerorank.ai

What is the recommended tap target size?

Google recommends tap targets (buttons, links) be at least 48x48 CSS pixels with at least 8 pixels of spacing between them. This ensures mobile users can accurately tap without hitting the wrong element.

How do I fix tap targets that are too small?

Increase the padding or minimum height/width of clickable elements to at least 48px. Use CSS to add spacing between closely positioned links and buttons, especially in navigation menus and footers.