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API Reference / checks / html-size-audit

Measure HTML payload size and TTFB.

Reports the transfer size from headers, the decoded body size, and how long the request took so you can spot oversized landing pages. Drop this helper wherever you want to measure HTML payload size and TTFB with a single HTTP call. Send the documented inputs and the API streams back polished results you can hand directly to your users.

GETPOST/checks/html-size-audit

Where this helper shines

Measure HTML payload size and TTFB. keeps checks helpers on autopilot. Use it whenever you need to measure HTML payload size and TTFB without pausing a sprint or asking design/dev to jump in.

  • Trigger this helper whenever you need to measure HTML payload size and TTFB without waiting on a full deploy.
  • Drop it into automations (Zapier, Make, workers) to measure HTML payload size and TTFB as part of your workflow.
  • Share the GET URL so support and success can measure HTML payload size and TTFB safely using their Dataczar API key.

Copy & ship snippets

GET

Instant link

GET https://api.dataczar.app/checks/html-size-audit?url=https%3A%2F%2Fexample.com%2Fsample.png&max_kb=20&timeout=8.0&dryrun=true&ak=demo

Open directly in any browser, webhook, or low-code workflow.

curl

curl GET

curl "https://api.dataczar.app/checks/html-size-audit?url=https%3A%2F%2Fexample.com%2Fsample.png&max_kb=20&timeout=8.0&dryrun=true&ak=demo"

Swap ak=demo with your Dataczar API key.

curl

curl POST

curl -X POST "https://api.dataczar.app/checks/html-size-audit?ak=demo" \
  -H 'Content-Type: application/json' \
  -d '{
  "url": "https://example.com/sample.png",
  "max_kb": "20",
  "timeout": "8.0",
  "dryrun": "true"
}'

Send JSON payloads from back-end jobs, queues, or workers.

Parameters

Query Parameters

NameTypeDescription
urlstring · required
max_kbnumberOptional threshold in kilobytes.
timeoutnumber
dryrunboolean

All helper calls accept your Dataczar key via the ak query parameter. Need one? Create or copy a key on Dataczar Connect and drop it into each request.

Responses

Status 200

Timing and size metrics.

{
  "ok": true,
  "data": {
    "url": "https://example.com",
    "status_code": 200,
    "body_bytes": 51234,
    "header_content_length": 50000,
    "ttfb_ms": 120,
    "duration_ms": 210,
    "max_kb": 60,
    "max_kb_exceeded": false
  }
}

Examples

Query parameters

Equivalent curl
Grab your Dataczar API key
Every helper runs with the same simple API key. Sign in (or create a free Dataczar account) at Dataczar Connect to issue keys in seconds, then drop the key into any `ak=` parameter and start shipping.
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Tip: reuse the same key across these helpers, or rotate keys per project from the Connect dashboard.