Platform
AI visibility trackingWhere you show up, across every modelPrompt researchThe questions your buyers actually askAI search optimizationOn-page, off-page and technical fixesAgentic workflowsSet it once, it watches and briefs the fixMCP & REST APIBuild on top of ZeroRank dataCo-pilotAsk your data anything, in chatNew
Free to startRun a full report before you enter a card
Solutions
Marketing teamsProve AI search moves pipeline, not rankAgenciesUnlimited seats, white-label reportsEnterpriseSSO, audit trails and a security review
ResourcesBlogHow AI search behaves, in the fieldUniversityShort video lessons on AI search, freeDocsSet-up guides and the API referenceFree toolsCheck a prompt or a domain, freeCompareZeroRank against the alternatives
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Performance

File Minification Checker

Check if JavaScript and CSS files are minified.

File Minification Checker

About this tool

Verify that your JavaScript and CSS files are minified for production. Unminified files waste bandwidth and slow down page load times.

CSS Minifier

Compress CSS by eliminating unnecessary spaces and comments.

MinifierOpen JS Minifier

Reduce the size of your JavaScript files for faster loading.

MinifierOpen Webpage File Size Check

Analyze the total download size of your webpage.

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
    Perplexity
    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 file minification?

File minification removes unnecessary characters from code (whitespace, comments, newlines) without changing functionality. It reduces file sizes, leading to faster downloads and improved page load performance.

How much file size can minification save?

Minification typically reduces CSS and JavaScript file sizes by 10-30%. Combined with GZIP compression, total transfer size reductions of 60-80% are common.