ECO-CMP-JS-006 — Over-fetching API responses¶

Category: Computation (CMP)
Family: JavaScript (JS)
Layer: Network
Tier: 1
Severity: note
Tags: javascript, api, payload
Legacy ID: ECO-JS-006

Summary¶

Returning unused fields increases payload size and wasted processing.

Extra bytes multiply across users and calls.

{
  "confidence": 0.6,
  "notes": "Often easy win.",
  "type": "network"
}

{
  "languages": [
    "javascript"
  ],
  "method": "trace"
}

{
  "guidance": "Return only needed fields; use pagination and sparse responses.",
  "tradeoffs": "API contract changes."
}

{
  "system_layers": [
    "network"
  ]
}