> ## Documentation Index
> Fetch the complete documentation index at: https://docs.azvian.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Web Tools

> Standalone SEO and diagnostic utilities, no full audit required

Found under **Tools** — quick, single-purpose checks that run instantly, separate from the full [audit report](/seo/websites-and-reports) flow and not counted against a tenant's report quota.

<CardGroup cols={2}>
  <Card title="DNS Lookup" icon="server">
    Query DNS records for a domain.
  </Card>

  <Card title="HTTP Headers" icon="list">
    Inspect the response headers a URL returns.
  </Card>

  <Card title="Meta Preview" icon="image">
    See how a page's title, description, and social preview image will render when shared.
  </Card>

  <Card title="Minify" icon="compress">
    Minify CSS/JS/HTML input.
  </Card>

  <Card title="Robots.txt Check" icon="robot">
    Validate and inspect a site's `robots.txt`.
  </Card>

  <Card title="SSL Check" icon="lock">
    Inspect a domain's SSL/TLS certificate.
  </Card>
</CardGroup>