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This emulates your website with the specified vision deficiency type.

The supported types are:

  • none: default.
  • blurredVision: where vision is less precise.
  • protanopia: the inability to perceive any red light.
  • deuteranopia: the inability to perceive any green light.
  • tritanopia: the inability to perceive any blue light.
  • achromatopsia: the inability to perceive any color except for shades of grey (extremely rare).


import { browser } from 'k6/experimental/browser';
export const options = {
scenarios: {
browser: {
executor: 'shared-iterations',
options: {
browser: {
type: 'chromium',
export default async function () {
const page = browser.newPage();
await page.goto('');