Your autonomous QA engineer
Ship fast.Miss nothing.
Point Marcus at a URL. It maps every flow, writes the suite itself, and runs it in a real browser — then hands you the failures with the reason already written.
Want the full suite on your product? Start a 7-day free trial — or book a demo.
Every failure ships with the reason, the exact element, and the repro path already filled in.
Coverage ownership
Someone still has to own your QA.
Every tool moves the work around. Almost none of them take it off your plate. Here is who actually does the job in each setup.
The ship call stays yours. Everything leading up to it does not have to.
How it works
Marcus gets your site ready to ship.
Marcus crawls the site and reads the live DOM — every route, form, control and asset.
No brittle selectors
One checkout, eight ways to break.
A scripted suite encodes today's markup. Rename a class, reorder a nav item, bump a component library — and the test fails without the product ever breaking.
1test('checkout flow', async ({ page }) => {2 await page.goto('https://acme.com');3 await page.click('.hdr__nav > li:nth-child(3) > a');4 await page.fill('#email-field-v2', 'jane@acme.com');5 await page.fill('[data-test=pw-input]', 'hunter2');6 await page.click('button.btn.btn-primary.submit');7 await page.waitForTimeout(2000);8 await expect(page.locator('.dash-hdr')).toBeVisible();9 await page.click('#cart-icon-wrapper svg');10 await expect(page.locator('.total')).toHaveText('$10.00');11});
Every underlined line is a promise about markup that has not changed yet.
A returning user can sign in and reach a cart totalling $10.00.
- Survives any refactor — no selectors to update
- Zero authoring, zero maintenance
- Asserts on the rendered page, the way a user sees it
Maximum issue detection
The bugs a “passing” test suite walks straight past.
Most suites assert that things exist. Marcus asserts that they work — across 0 defect classes that real sites, and AI-generated ones especially, ship every week.
Dead interactions
- “Get Started” uses href="#" — navigates nowhere
- Nav links to #pricing, no element with that id
- Contact form declares no action — submits into the void
- Email field typed as text, so validation never fires
Shipped placeholders
- Latin filler copy still in the features section
- Title is still “React App”
- Contact address is a dummy placeholder e-mail
- Hero image loads from via.placeholder.com
Silent breakage
- Unknown routes answer HTTP 200 — every broken link looks healthy
- /careers returns 200 but renders “Page not found”
- Product image 200s with content-type text/html
- Duplicate id="hero" breaks anchors and querySelector
Security slips
- Password form posts over GET — credential lands in the URL
- target="_blank" without rel="noopener"
- Logo loads over http:// on an https:// page
- Plain HTTP origin never redirects to HTTPS
Accessibility gaps
- Hero image has no alt attribute at all
- Email input has a placeholder but no label
- Icon-only button announced only as “button”
- Headings jump from H1 straight to H4
Weight and reach
- Hero transfers 3,906 KB — over the 1,464 KB budget
- No og:image, so shared links render as a grey card
- No width=device-width — renders zoomed out on phones
- sitemap.xml returns 404
checks generated from one page scan
defect classes, each with a written reason
typical time from URL to full report
FAQ
Common questions
Still unsure? Ask us on the demo call — we would rather show you than argue about it.
Every check re-verifies against live markup at execution time rather than trusting the snapshot it was written from, and each failure names the exact element and reason. If an element is gone by the time the check runs, it passes rather than crying wolf. Against a well-built site a full pass typically returns a handful of findings, not a wall of red.
See it run againstyour site.
Paste a URL and get a real audit of that page right now — no account. When you want the whole product covered, start a 7-day free trial and Marcus runs the full suite on your site today.
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