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tempo.halowerk.com – Stylesheet Modern Image Format Share Check
x402
tempo.halowerk.com – Stylesheet Modern Image Format Share Check is a paid API for AI agents from tempo.halowerk.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Checks what proportion of images referenced in a stylesheet use modern formats (e.g. WebP, AVIF) as a web performance audit finding.
Price / call$0.001
Success—
StatusUnknown
How this service works
Prüft am Objekt stylesheet den Befund Anteil moderner Bildformate.
Output
Returns a performance finding indicating the share (proportion or percentage) of image references within the target stylesheet that use modern image formats such as WebP or AVIF, along with contextual audit data about the stylesheet object.
Example use cases
Auditing stylesheet image format modernity
“Check https://shop.example.com/assets/product.css and tell me what percentage of image references in that stylesheet are using modern formats like WebP or AVIF instead of JPEG or PNG.”
Monitoring image optimization regression
“I want to track whether the stylesheet at https://myblog.com/theme.css has regressed in modern image format usage — can you check the current share of WebP and AVIF images referenced there?”
Validating CSS before deployment
“Before we deploy, can you audit the stylesheet at https://staging.mysite.com/dist/styles.css using the CSS selector #hero-section and confirm what fraction of its image references are in modern formats?”
Technical details
Endpoint
POSThttps://tempo.halowerk.com/v1/pruef/tempo/bildformat/stylesheetWhen to prefer
Use this endpoint when you specifically want to audit the image format modernity of resources loaded via a CSS stylesheet, rather than analyzing the full page or a specific iframe. It is best suited for targeted stylesheet-level performance audits where you want to isolate image format efficiency within CSS rules, as opposed to broader page-level analysis offered by sibling endpoints.
Side effects
- Non-public or inaccessible stylesheet URL returns an error or timeout
- URL does not point to a valid CSS stylesheet
- CSS selector matches zero or multiple elements ambiguously
- Stylesheet contains no image references, resulting in a zero or undefined share
- Rate limiting or upstream fetch errors for the target resource
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| ziel | — |
Tags
x402
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