DOM-07Est. 8 min
DOM Debugging Challenge
Checks whether candidates can inspect markup, understand state exposure, and reason through real browser behavior.
Core skill checkbrowser inspection
Frontend hiring assessments
Test real frontend skills before you shortlist.
FE CTF helps recruiters evaluate how candidates actually work in the browser. Use challenges designed by industry leaders to test actual frontend skills in a world of AI-generated resumes, take-home shortcuts, and hard-to-read portfolios.
- 42
- industry-designed frontend challenges
- 1 click
- to create a shareable assessment
- 4x
- deeper signal than resume screens
Assessment templateREADY
> template selected: frontend screenskills covered: DOM, CSS, runtime debuggingcandidate link: generated in one clickshortlist signal: skill evidence ready
Challenges
Industry-led challenges for practical frontend screening.
Each assessment tests skills recruiters actually need to verify: DOM reasoning, CSS systems, JavaScript behavior, runtime debugging, browser tools, and problem-solving under realistic constraints.
CSS-12Est. 14 min
Variable Cascade Vault
Tests practical knowledge of cascade, variables, design tokens, responsive behavior, and styling internals.
Role-level debuggingcomputed style reasoning
NET-21Est. 22 min
Failed Request Triage
Reveals how candidates investigate failed requests, event timing, UI feedback, and component state under pressure.
Senior scenarionetwork and event flow
Recruiter hiring value
Shortlist with evidence, not guesswork.
- Role-specific templates for frontend, UI platform, and product engineering hiring loops
- Industry-designed challenges that reveal actual browser, CSS, JavaScript, and debugging skill
- Clear evidence for shortlisting candidates in an AI-assisted application market
One-click assessment flow
Select a template, create a link, and share.
- Select an assessment template matched to the role and seniority level
- Create a private candidate link in a single click
- Share the link, collect submissions, and review shortlist-ready results without setup hassle
Hiring report
Turn frontend challenge results into clearer hiring decisions.
What the hiring report measures
- frontend skill areas tested
- solution accuracy
- debugging path and tool use
- time to first useful progress
- evidence for shortlisting
Core skill check
Quick checks for browser inspection, HTML semantics, and practical state discovery.
Role-level debugging
Role-relevant debugging across component behavior, CSS systems, event flow, and network evidence.
Senior scenario
Senior-level scenarios that reveal systems thinking, precise tooling, and explanation quality.
Actual frontend skill signal
See how candidates work inside the browser across DOM, CSS, events, rendering, network behavior, and debugging flow.
One-click assessment templates
Choose a role-ready template, create a private assessment link in one click, and share it with candidates immediately.
Shortlisting without the hassle
Review skill evidence, completion progress, and scoring summaries so hiring teams can shortlist with more confidence.
Create assessment
Create a frontend assessment in one click.
Start from a role template, generate a private link, share it with candidates, and shortlist with practical frontend skill evidence.