Assay
Mobile app Download Download

For agencies, consultants, and in-house teams

A deep website audit, done in minutes.

Assay crawls a site with a real browser, has Claude grade what it finds, and turns the findings into a white-label PDF that's ready to send.

Download See the sample report

Available for macOS, Windows, Linux, iPhone, and Android.

Run it from anywhere.

Start an audit at your desk and watch it finish from your phone. Desktop and mobile share one workspace: the same clients, the same audits, the same live status.

Assay home screen with an audit in progress
Starting an audit: pick a client and confirm the URL
Live audit pipeline: crawl complete, AI analysis in progress
Client profile with contact details and audit history
White-label report branding: colors, font, header and footer

Desktop illustration drawn from the app's design system, paired with real screens from the iOS app.

Paste a URL. Get a verdict.

  1. Crawl

    A real browser walks the site, up to sixty pages deep, and records what every page actually serves: titles, content, status codes, structure.

  2. Analyze

    Claude reads every page and files issues across eight categories, from SEO and accessibility to conversion and trust, each ranked by severity, effort, and impact.

  3. Report

    Everything lands in a graded Hallmark with your branding on it: an executive summary, the karat rating, and a prioritized list of what to fix first.

The Hallmark your client keeps.

Every audit ends in a graded, white-label Hallmark: an executive summary under your name, severity-ranked findings with evidence, and a full page inventory. The sample below is a complete fifteen-page report for a fictional dental practice, generated by the same pipeline that produces every real report.

Sample report executive summary page with the karat hallmark
Executive summary. The karat hallmark, the numbers, strengths, and priorities.
Sample report findings page showing a critical accessibility issue
Findings by category. Severity, effort, and impact on every issue.
Sample report findings page showing performance and SEO issues
Every finding shows its evidence: the values found, the pages affected, and what to do next.
Sample report page inventory table
The page inventory. Every URL crawled, with status, depth, and metadata.
Download the sample report (PDF)

Fifteen pages. Fictional client, real pipeline.

Made for client work.

Graded verdicts
Every audit ends in a karat rating, 9k to 24k, backed by a written summary, the site's strengths, and the issues that drove the score.
Severity-ranked findings
Every issue comes ranked from critical to info, with a recommendation, the pages affected, and the evidence behind it.
White-label reports
Your logo, your colors, your name on the cover. Clients see your brand, not our tool.
Live progress
Watch every stage of the audit as it runs, from any of your devices.
Team workspaces
Owners, admins, and members share one client list and one audit history. Invite by email, revoke in a click.
Smart re-runs
Re-run the analysis without re-crawling the site. Same evidence, fresh verdict, in a fraction of the time.

Eight categories

SEO Accessibility Performance Content Technical Conversion Brand Trust

Every issue is filed under one of eight categories and four severities, with effort, impact, affected pages, and the evidence to back it up.

Built for the people responsible for websites.

  • Agencies

    Walk into a pitch with a graded audit of the prospect's site. The report opens the conversation, and your name is on the cover.

  • Consultants and freelancers

    Turn a URL into a client-ready Hallmark in minutes. Bill for your judgment, not the busywork.

  • In-house teams

    Audit your own sites on a schedule. Watch the karat rating improve as fixes land, and show the work.

Take it with you.

Desktop and mobile share one workspace, so an audit you start on one device is right there on the rest.

Download

Choose your platform with the arrow.