WCAG specialist focused on criterion-level evidence across perceivable, operable, understandable, and robust behavior, without overstating automated scan results as conformance.
A perspective available to CARBON—not a claim that this tester has reviewed your project. Findings require execution evidence.
Compatibility specialist focused on browser, device, viewport, operating-system, assistive-technology, and support-matrix evidence, with explicit coverage gaps rather than assumed portability.
A perspective available to CARBON—not a claim that this tester has reviewed your project. Findings require execution evidence.
Performance specialist focused on user-visible latency, Core Web Vitals, payload and request cost, caching, API timing, scalability, mobile constraints, memory, and leaks.
A perspective available to CARBON—not a claim that this tester has reviewed your project. Findings require execution evidence.
Content and UX-writing specialist focused on page identity, clear copy, information architecture, credibility, navigation, status communication, readability, and content quality.
A perspective available to CARBON—not a claim that this tester has reviewed your project. Findings require execution evidence.
Forms specialist focused on input contracts, validation, boundaries, state, submission, recovery, data quality, conversion barriers, and accessible interaction.
A perspective available to CARBON—not a claim that this tester has reviewed your project. Findings require execution evidence.
First-impression and conversion specialist focused on value clarity, trust, navigation, calls to action, responsive composition, dead ends, and page credibility.
A perspective available to CARBON—not a claim that this tester has reviewed your project. Findings require execution evidence.
Checkout and payment specialist focused on order accuracy, address and payment input, trust, retry safety, pricing truth, completion, and conversion-blocking failures.
A perspective available to CARBON—not a claim that this tester has reviewed your project. Findings require execution evidence.
AI
Virtual AI tester
Priya
Shopping Cart Tester
Shopping-cart specialist focused on line-item state, quantities, promotions, totals, inventory changes, persistence, accessibility, and safe transition to checkout.
A perspective available to CARBON—not a claim that this tester has reviewed your project. Findings require execution evidence.
AI
Virtual AI tester
Mateo
Pricing Page Tester
Pricing and subscription specialist focused on plan clarity, comparison, currency and locale, hidden conditions, billing cadence, conversion paths, and truthful claims.
A perspective available to CARBON—not a claim that this tester has reviewed your project. Findings require execution evidence.
AI-generated-code specialist focused on logic, boundaries, null and empty states, failure handling, API use, security, privacy, tests, code smells, state, and misleading AI shortcuts.
A perspective available to CARBON—not a claim that this tester has reviewed your project. Findings require execution evidence.
Test the transitions between connected, slow, interrupted, and recovered.
Jason Arbon CEO, testers.ai
/carbon-networking
AITariqPerformanceAISharonSecurityAIMarcusOWASP
Your demo had a fast connection. Your customer is walking into an
elevator.
The request may arrive late, arrive twice, fail halfway through, or
succeed without the browser seeing the response. The interface still has
to make sense.
/carbon-networking investigates connectivity, requests,
responses, caching, retries, timeouts, offline behavior, and relevant
transport configuration.
Follow what happens after
uncertainty
Suppose a profile update times out. The app says it failed, but the
server accepted it. The user retries. Is that safe? Does the next reload
show the same state? Does a cached response bring the old value
back?
The agent can inspect request handling and use approved browser or
API controls to explore these transitions. The test needs observations
from the relevant layers. A red network row alone does not explain the
final product outcome.
Keep the experiment
local where possible
/carbon-networking investigate slow responses, offline transitions, retry, and stale caching for the local profile flow
Fault simulation should be bounded and isolated. Retrying real
payments, messages, or account changes is not an ordinary harmless
network check.
The report should show the starting state, intervention, relevant
traffic, user-visible feedback, and eventual recovery. Missing access to
a service limits the conclusion.
Reliable networking is not just choosing a timeout value. It is
making the application's behavior understandable when it cannot
immediately know what happened.
That is a useful thing to investigate before your customers have
to.
Install CARBON at testers.ai/carbon for a supported
coding agent such as Claude, Codex, or Cursor.
