Lab recording · S06PLTest my store free

S06JavaScript dropdown

GPT-6.1 Terra got stuck on the product page

27 October 20268 steps0:46week 2026-W44English store, course 2.x

Step 1 of 8 · 0:05Clicked “Aero Run 2 Light running shoes for everyday roa…”
The agent thinks

“I see a featured running shoe and will open its product page.”

How far it got

  1. Store
  2. Product page
  3. Size chosen
  4. Cart
  5. Checkout

The agent stops at the checkout, before any personal or payment details.

The obstacle in this store

What is in the way

The size is picked from a decorative JavaScript list. The real select field is hidden and the list items are not buttons.

How a store fixes it

Keep a visible native <select>, or give the list ARIA roles (listbox and option).

In the obstacle registry: CIB-005

What happened

  • 2 actions did not work.
  • Visited 4 different pages.
Why it stopped

“I cannot choose a size: selecting sizes 42 and 41 both failed because the options were not found.”

GPT-6.1 Terra

The run in numbers

steps
8
total time
0:46
per step
5.7 s
clicks
5
typed
0
scrolls
0
pages
4
failed actions
2

Same store, same week, every model

0 of 6 models reached the checkout in this store this week.

  • Qwen 3.8 FlashStuck at: Size chosenWatch
  • Amazon Nova 2 LiteStuck at: Product pageWatch
  • Claude Haiku 5.5Stuck at: Product pageWatch
  • Gemini 3.8 FlashStuck at: Product pageWatch
  • GPT-6 LunaStuck at: Product pageWatch
  • GPT-6.1 Terra · this recordingStuck at: Product page

Every step

Is the same obstacle in your store?

The same agent, the same path to the checkout, on your store. Free, in about three minutes, with a recording like this one.

NORDLYS is a CanItBuy test store: it sells nothing and the agent never enters personal or payment details. The agent was driven by GPT-6.1 Terra through the Vercel AI Gateway, in a real browser, and identified itself as CanItBuyAgent/1.0.