{"uid":"cap_SeIAx-l7DAQI9wwxLS0_V","slug":"tempo-halowerk-dokument-renderstart-zeit-pr-fung-d7872175","name":"Tempo Halowerk – Dokument Renderstart-Zeit Prüfung","description":"Prüft am Objekt dokument den Befund Zeit bis zum sichtbaren Renderstart.","url":"https://tempo.halowerk.com/v1/pruef/tempo/renderstart/dokument","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"ziel":{"oneOf":[{"type":"string","maxLength":2048,"minLength":1,"description":"Öffentliche HTTP(S)-Adresse; bei DNS-Befunden Domain oder öffentliche IP."},{"type":"object","required":["adresse"],"properties":{"adresse":{"type":"string","maxLength":2048,"minLength":1},"selektor":{"type":"string","maxLength":240,"minLength":1,"description":"CSS-Selektor: genau ein Objekt, sonst erster Treffer des Objektfilters."},"vergleich":{"type":"string","maxLength":2048,"description":"Öffentliche Vergleichsadresse für Link-, Sitemap- oder Sprachbefunde."},"user_agent":{"type":"string","pattern":"^[A-Za-z0-9_-]{1,80}$"},"dkim_selektor":{"type":"string","pattern":"^[A-Za-z0-9_-]{1,63}$"}},"additionalProperties":false}]}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eYjBJkwZ0xWDH_UrZRBYA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks and measures the time-to-first-visible-render (Renderstart) for a document object at a given public URL.","exampleAgentPrompt":"Can you check how long it takes for the document at https://example.com/report.pdf to start visually rendering? I want to know the time-to-first-visible-render.","exampleUseCases":[{"title":"Audit slow-loading document page","prompt":"Check the renderstart time for the document at https://mysite.com/whitepaper.html — I want to know how long it takes before anything becomes visible on screen."},{"title":"Monitor publishing platform document speed","prompt":"Measure the time-to-first-visible-render for the document at https://press.example.com/article — I'm auditing our editorial platform's performance."},{"title":"Compare document render speed before and after optimization","prompt":"Can you benchmark the renderstart time for https://docs.myapp.com/guide before I push my CSS changes, so I have a baseline to compare against?"}],"resultDescription":"Returns a performance measurement indicating the elapsed time (in milliseconds or seconds) from request initiation until the document's first visible render event, along with any relevant metadata about the probe result.","failureModes":["URL is not publicly accessible or returns a non-200 status — probe fails with an unreachable error","Document is behind authentication or a firewall — connection refused or timeout","CSS selector provided matches no element — defaults to first match or returns no-selector error","URL exceeds maxLength of 2048 characters — validation error","Malformed URL or unsupported protocol — input validation failure","Rendering engine timeout if document is extremely slow to respond"],"whenToPreferThis":"Use this endpoint when you need to specifically measure the time-to-first-visible-render (Renderstart) for a document object (e.g. an HTML page, PDF, or published document). Prefer this over generic page-speed endpoints when your target is a document URL rather than a full webpage, video, image, or script, and you need a focused Renderstart metric rather than full-page load or TTFB metrics.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:51:15.778Z","isFirstParty":false}