# Services from tempo.halowerk.com on Zero

> tempo.halowerk.com serves 100 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/tempo.halowerk.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/tempo.halowerk.com/health.json

## Services

- [Tempo Halowerk – Script TTFB Check](https://www.zero.xyz/c/tempo-halowerk-script-ttfb-check-cfa1a097/llms.txt): $0.001/call via x402. Measures the Time to First Byte (TTFB) for a script resource at a given public URL, optionally targeted by CSS selector.
- [tempo.halowerk.com – Bild Modernes Bildformat Anteil](https://www.zero.xyz/c/tempo-halowerk-com-bild-modernes-bildformat-anteil-7ad88b7b/llms.txt): $0.001/call via x402. Checks what proportion of images on a given URL use modern image formats (e.g. WebP, AVIF).
- [Tempo Halowerk TTFB Stylesheet Check](https://www.zero.xyz/c/tempo-halowerk-ttfb-stylesheet-check-b8c7b5ea/llms.txt): $0.001/call via x402. Measures and reports the Time to First Byte (TTFB) for a stylesheet resource at a given public URL.
- [tempo.halowerk.com – Weiterleitung: Anteil moderner Bildformate](https://www.zero.xyz/c/tempo-halowerk-com-weiterleitung-anteil-moderner-bildformate-9bd84848/llms.txt): $0.001/call via x402. Checks the proportion of modern image formats served via a redirect target URL or object.
- [tempo.halowerk.com – API Response Total Load Time Check](https://www.zero.xyz/c/tempo-halowerk-com-api-response-total-load-time-check-80c56a1c/llms.txt): $0.001/call via x402. Measures and evaluates the total load time (Gesamtladezeit) of an API response endpoint via HTTP(S) performance testing.
- [Halowerk Tempo – Dokument Gesamtladezeit](https://www.zero.xyz/c/halowerk-tempo-dokument-gesamtladezeit-1bbde90c/llms.txt): $0.001/call via x402. Checks and measures the total load time (Gesamtladezeit) of a document resource at a given public URL.
- [Halowerk Tempo – Stylesheet Total Load Time Check](https://www.zero.xyz/c/halowerk-tempo-stylesheet-total-load-time-check-18bf0d39/llms.txt): $0.001/call via x402. Measures and reports the total load time (Gesamtladezeit) of a stylesheet resource at a given public URL.
- [tempo.halowerk.com – iframe TLS Negotiation Time Check](https://www.zero.xyz/c/tempo-halowerk-com-iframe-tls-negotiation-time-check-d4860174/llms.txt): $0.001/call via x402. Measures and evaluates the TLS handshake/negotiation time for iframe objects on a given web page.
- [Halowerk Tempo – iframe Modern Image Format Share Check](https://www.zero.xyz/c/halowerk-tempo-iframe-modern-image-format-share-check-c38b419c/llms.txt): $0.001/call via x402. Checks what proportion of images loaded within iframes on a webpage use modern image formats (e.g. WebP, AVIF).
- [Tempo Halowerk – TLS-Aushandlungszeit für Video](https://www.zero.xyz/c/tempo-halowerk-tls-aushandlungszeit-f-r-video-d9e420d8/llms.txt): $0.001/call via x402. Measures and audits the TLS negotiation time for a video resource at a given public URL.
- [tempo.halowerk.com – Bild: Anzahl geladener Ressourcen](https://www.zero.xyz/c/tempo-halowerk-com-bild-anzahl-geladener-ressourcen-ad495c14/llms.txt): $0.001/call via x402. Checks the number of loaded resources for an image object at a given public URL, as a web performance audit finding.
- [tempo.halowerk.com – Script Loaded Resources Count Check](https://www.zero.xyz/c/tempo-halowerk-com-script-loaded-resources-count-check-034cacc4/llms.txt): $0.001/call via x402. Checks the number of loaded resources (request count) for a script object on a given web page or URL.
- [tempo.halowerk.com – API-Antwort Moderner Bildformat-Anteil Prüfung](https://www.zero.xyz/c/tempo-halowerk-com-api-antwort-moderner-bildformat-anteil-pr-fung-bd611196/llms.txt): $0.001/call via x402. Checks the proportion of modern image formats served in an API response object from a given URL.
- [Halowerk Tempo – Document Modern Image Format Share Check](https://www.zero.xyz/c/halowerk-tempo-document-modern-image-format-share-check-0f15fbd8/llms.txt): $0.001/call via x402. Checks the proportion of modern image formats used in a document object on a given URL.
- [tempo.halowerk.com – Modern Image Format Share Check (Page)](https://www.zero.xyz/c/tempo-halowerk-com-modern-image-format-share-check-page-5ed0fa8f/llms.txt): $0.001/call via x402. Checks a web page for the proportion of images served in modern formats (e.g. WebP, AVIF) versus legacy formats.
- [tempo.halowerk.com – Stylesheet Modern Image Format Share Check](https://www.zero.xyz/c/tempo-halowerk-com-stylesheet-modern-image-format-share-check-a836c028/llms.txt): $0.001/call via x402. Checks what proportion of images referenced in a stylesheet use modern formats (e.g. WebP, AVIF) as a web performance audit finding.
- [tempo.halowerk.com – Script Render-Blocking Resources Check](https://www.zero.xyz/c/tempo-halowerk-com-script-render-blocking-resources-check-d1696a81/llms.txt): $0.001/call via x402. Checks the number of render-blocking script resources on a given web page or specific script element.
- [tempo.halowerk.com – Gesamtladezeit für Bild](https://www.zero.xyz/c/tempo-halowerk-com-gesamtladezeit-f-r-bild-ecf66c0e/llms.txt): $0.001/call via x402. Checks the total load time (Gesamtladezeit) of an image resource at a given public URL, returning a performance finding.
- [tempo.halowerk.com – iframe Gesamtladezeit](https://www.zero.xyz/c/tempo-halowerk-com-iframe-gesamtladezeit-d3db97fa/llms.txt): $0.001/call via x402. Measures and checks the total load time (Gesamtladezeit) of iframe objects on a given web resource.
- [tempo.halowerk.com – Font Total Load Time Check](https://www.zero.xyz/c/tempo-halowerk-com-font-total-load-time-check-622f2a79/llms.txt): $0.001/call via x402. Checks and measures the total load time (Gesamtladezeit) for font resources on a given URL or web object.
- [Video Total Load Time Check](https://www.zero.xyz/c/video-total-load-time-check-4cf50110/llms.txt): $0.001/call via x402. Measures and returns the total load time (Gesamtladezeit) for a video resource at a given public URL.
- [tempo.halowerk.com Page Weight Checker](https://www.zero.xyz/c/tempo-halowerk-com-page-weight-checker-19e4c9d9/llms.txt): $0.001/call via x402. Checks the transferred byte size (page weight) of a webpage or specific page element via HTTP audit
- [Tempo Halowerk – iframe Render Start Time Check](https://www.zero.xyz/c/tempo-halowerk-iframe-render-start-time-check-bedaf0e6/llms.txt): $0.001/call via x402. Measures the time-to-first-render (render start) of an iframe object on a given web page, returning a performance audit result.
- [Tempo Halowerk – Renderstart-Zeit Seite](https://www.zero.xyz/c/tempo-halowerk-renderstart-zeit-seite-8f7d8e82/llms.txt): $0.001/call via x402. Measures the time to first visible render start (Time to First Paint) for a given public web page URL.
- [Tempo Halowerk – Script Time-to-First-Paint Checker](https://www.zero.xyz/c/tempo-halowerk-script-time-to-first-paint-checker-af852d80/llms.txt): $0.001/call via x402. Measures the time-to-visible-render-start (first paint) for a script object at a given public URL.
- [Tempo Halowerk – Stylesheet Time to First Render (Renderstart)](https://www.zero.xyz/c/tempo-halowerk-stylesheet-time-to-first-render-renderstart-67b2c784/llms.txt): $0.001/call via x402. Measures the time-to-first-render (Renderstart) for a stylesheet resource on a given public URL, returning a performance finding.
- [Tempo Halowerk Video Renderstart Check](https://www.zero.xyz/c/tempo-halowerk-video-renderstart-check-bc01d11a/llms.txt): $0.001/call via x402. Measures and reports the time-to-first-visible-render (renderstart) for a video resource at a given public URL.
- [Halowerk Tempo – TLS Negotiation Time Check for Pages](https://www.zero.xyz/c/halowerk-tempo-tls-negotiation-time-check-for-pages-9907e2be/llms.txt): $0.001/call via x402. Measures the TLS handshake negotiation time for a given web page URL, returning a performance finding for the 'seite' (page) object type.
- [tempo.halowerk.com Image TTFB Checker](https://www.zero.xyz/c/tempo-halowerk-com-image-ttfb-checker-37f1b516/llms.txt): $0.001/call via x402. Measures the Time to First Byte (TTFB) for a specific image resource at a given URL, reporting how long the server takes to begin delivering the image.
- [tempo.halowerk.com – TTFB Check for Document](https://www.zero.xyz/c/tempo-halowerk-com-ttfb-check-for-document-a8076b64/llms.txt): $0.001/call via x402. Measures the Time to First Byte (TTFB) for a given public HTTP(S) document URL and returns the findings.
- [tempo.halowerk.com – TTFB Check for iFrame](https://www.zero.xyz/c/tempo-halowerk-com-ttfb-check-for-iframe-61a0313e/llms.txt): $0.001/call via x402. Measures the Time to First Byte (TTFB) for an iframe element loaded from a given public URL.
- [tempo.halowerk.com TTFB Checker (Seite)](https://www.zero.xyz/c/tempo-halowerk-com-ttfb-checker-seite-da432fd9/llms.txt): $0.001/call via x402. Measures the Time to First Byte (TTFB) for a given web page URL, returning the server response latency metric.
- [tempo.halowerk.com – TTFB Check for Video](https://www.zero.xyz/c/tempo-halowerk-com-ttfb-check-for-video-6106acd6/llms.txt): $0.001/call via x402. Measures and reports the Time to First Byte (TTFB) for a given video resource URL.
- [Tempo Halowerk TTFB Redirect Check](https://www.zero.xyz/c/tempo-halowerk-ttfb-redirect-check-f90cf11e/llms.txt): $0.001/call via x402. Measures time-to-first-byte (TTFB) for redirect (Weiterleitung) objects at a given URL, returning performance timing data.
- [Tempo Halowerk – API Connection Time Check](https://www.zero.xyz/c/tempo-halowerk-api-connection-time-check-cedfef46/llms.txt): $0.001/call via x402. Measures and checks the connection establishment time (Verbindungsaufbauzeit) of an API response endpoint via HTTP(S).
- [tempo.halowerk.com – Image Connection Setup Time Check](https://www.zero.xyz/c/tempo-halowerk-com-image-connection-setup-time-check-700731f2/llms.txt): $0.001/call via x402. Measures and checks the TCP/TLS connection setup time (Verbindungsaufbauzeit) for an image resource at a given public URL.
- [Halowerk Tempo – Document Connection Time Check](https://www.zero.xyz/c/halowerk-tempo-document-connection-time-check-eae243fe/llms.txt): $0.001/call via x402. Measures and reports the TCP/TLS connection establishment time for a given document URL
- [Halowerk Tempo – Connection Time Check for Font Resources](https://www.zero.xyz/c/halowerk-tempo-connection-time-check-for-font-resources-dfc05806/llms.txt): $0.001/call via x402. Measures and reports the connection establishment time (Verbindungsaufbauzeit) for font/text resources (Schrift objects) at a given URL.
- [tempo.halowerk.com – Verbindungsaufbauzeit für Skripte prüfen](https://www.zero.xyz/c/tempo-halowerk-com-verbindungsaufbauzeit-f-r-skripte-pr-fen-7d5f0624/llms.txt): $0.001/call via x402. Measures and reports the connection setup time (Verbindungsaufbauzeit) for a script resource at a given URL.
- [tempo.halowerk.com – Stylesheet Connection Time Check](https://www.zero.xyz/c/tempo-halowerk-com-stylesheet-connection-time-check-57542c8b/llms.txt): $0.001/call via x402. Measures the connection establishment time (Verbindungsaufbauzeit) for a stylesheet resource loaded by a webpage.
- [tempo.halowerk.com – Gesamtladezeit Seite](https://www.zero.xyz/c/tempo-halowerk-com-gesamtladezeit-seite-cc3717e1/llms.txt): $0.001/call via x402. Checks and measures the total page load time (Gesamtladezeit) for a given public web page URL.
- [Tempo Halowerk – Redirect Total Load Time Check](https://www.zero.xyz/c/tempo-halowerk-redirect-total-load-time-check-1c5c977e/llms.txt): $0.001/call via x402. Measures the total load time (Gesamtladezeit) of a redirect (Weiterleitung) object at a given URL, returning a performance finding.
- [tempo.halowerk.com – Video Modern Image Format Share Check](https://www.zero.xyz/c/tempo-halowerk-com-video-modern-image-format-share-check-43f742d1/llms.txt): $0.001/call via x402. Checks a video object (by URL) and returns a finding on the proportion of modern image formats used.
- [Tempo Halowerk – Dokument Renderstart-Zeit Prüfung](https://www.zero.xyz/c/tempo-halowerk-dokument-renderstart-zeit-pr-fung-d7872175/llms.txt): $0.001/call via x402. Checks and measures the time-to-first-visible-render (Renderstart) for a document object at a given public URL.
- [tempo.halowerk.com – Render-Blocking Resources Check (Page)](https://www.zero.xyz/c/tempo-halowerk-com-render-blocking-resources-check-page-750c0ca2/llms.txt): $0.001/call via x402. Checks a web page and returns the count of render-blocking resources found on it.
- [Tempo Halowerk – Redirect Time to First Render (Weiterleitung/Renderstart)](https://www.zero.xyz/c/tempo-halowerk-redirect-time-to-first-render-weiterleitung-renderstart-bd474071/llms.txt): $0.001/call via x402. Measures the time to first visible render (renderstart) for a redirect/forwarding target URL.
- [Halowerk Tempo – Stylesheet Render-Blocking Resources Check](https://www.zero.xyz/c/halowerk-tempo-stylesheet-render-blocking-resources-check-177a3ae7/llms.txt): $0.001/call via x402. Checks a public URL and counts the number of render-blocking stylesheet resources found on the page.
- [Tempo Halowerk – Video Render-Blocking Resources Check](https://www.zero.xyz/c/tempo-halowerk-video-render-blocking-resources-check-eeb91b72/llms.txt): $0.001/call via x402. Analyzes a video resource URL and counts the number of render-blocking resources it introduces.
- [tempo.halowerk.com DNS Resolution Time Check for API Response](https://www.zero.xyz/c/tempo-halowerk-com-dns-resolution-time-check-for-api-response-5d5d0b13/llms.txt): $0.001/call via x402. Measures and returns the DNS resolution time for the api-antwort (API response) object of a given target URL or domain.
- [tempo.halowerk.com DNS Resolution Time Check for Documents](https://www.zero.xyz/c/tempo-halowerk-com-dns-resolution-time-check-for-documents-fbea2ae5/llms.txt): $0.001/call via x402. Measures and reports the DNS resolution time for a given document URL or domain, returning timing performance data.
- [tempo.halowerk.com – Render-Blocking Resources Check for Images](https://www.zero.xyz/c/tempo-halowerk-com-render-blocking-resources-check-for-images-0caf6648/llms.txt): $0.001/call via x402. Checks an image object (bild) for the count of render-blocking resources that affect page load performance.
- [Tempo Halowerk – Render-Blocking Resources Check for iFrame](https://www.zero.xyz/c/tempo-halowerk-render-blocking-resources-check-for-iframe-06e8352e/llms.txt): $0.001/call via x402. Analyzes an iframe object at a given URL and returns the count of render-blocking resources detected within it.
- [tempo.halowerk.com – Document Loaded Resources Count Check](https://www.zero.xyz/c/tempo-halowerk-com-document-loaded-resources-count-check-248a70e6/llms.txt): $0.001/call via x402. Checks the number of loaded resources on a given document/webpage and returns a performance audit finding.
- [tempo.halowerk.com – Font Resourc

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