Rocket Vitals

Rocketpark's website QA product. Enter a URL and it crawls the site and runs more than 200 checks across SEO, accessibility, performance, security, links, content and AI readiness. Reports score findings by severity and include fix guidance and exports.

Role: Lead Developer
Organisation: Rocketpark
Years: 2025-2026
Status: Live
Stack: Next.js
TypeScript
Playwright
QA
SEO
Accessibility

Visit rocketvitals.com

rocketvitals.com2025-2026

Numbers

QA Checks: 200+

The brief

Agencies need QA reports that a client can act on.

The build

A crawler with checks for each category, severity scoring, and regression monitoring with thresholds you set, so score drops show up between scans.

What shipped

Live at rocketvitals.com. I lead development.

Shares the most stack with this project

Site SheriffA website QA scanner. Enter a URL and it crawls the site and reports SEO, performance, security and accessibility findings (axe-core), ranked by severity, with fix instructions and a summary email for a client. Archived.Next.js, TypeScript, QA
Precision Contrast ControlPrecision Contrast: an accessibility checker for designers and developers. It tests WCAG 2.1 (AA and AAA) and APCA contrast, suggests colors that meet a target ratio, simulates color blindness, and checks semantic structure, keyboard navigation, forms and image alt text.Accessibility, TypeScript
TracePaste a screenshot and get a React component you can run and edit. Gemini 2.5 Flash recreates the layout from a shadcn-style component catalog, then shows which part of the screenshot became which component, with a confidence tag on each. Won the DEV GitHub Finish-Up-A-Thon.Next.js, TypeScript

Hiring for something like this?

Contract, advisory, or full-time. Tell me what you are building.

Start a conversation hello@elizabethannstein.com

Numbers

The brief

The build

What shipped

Related work

Hiring for something like this?