542b1b15performance
Image weight under threshold
Core Web Vitals + bundle budgets. LCP, INP, CLS, bundle size, hot-cache reload time. Measured with the testing agent's headless Chrome.
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Plan source
What TestSprite reads
The testing agent reads this JSON, opens the deployed URL in headless Chromium, executes each action step, evaluates each assertion. Verdict: passed / failed / blocked / inconclusive.
{
"projectId": "1ad26753-ee03-4689-8f0f-6fa5d67c5c72",
"type": "frontend",
"name": "Performance — total image weight on index ≤ 200kb",
"description": "Country flags + any decorative imagery on the bracket page should total ≤ 200kb. Catches deployables that ship raster PNG flags at 200kb each instead of SVG flags at 2kb each.",
"priority": "p2",
"metadata": {
"category": "performance",
"stage": "all"
},
"planSteps": [
{
"type": "action",
"description": "Navigate to the homepage with browser cache disabled"
},
{
"type": "assertion",
"description": "Verify the sum of all image responses (img + svg + background-image) transferred on the initial page load is ≤ 200kb"
}
]
}View on GitHub →