{"uid":"cap_oGu4_tXftgsRdzg15G_Jh","slug":"tempo-halowerk-renderstart-zeit-seite-8f7d8e82","name":"Tempo Halowerk – Renderstart-Zeit Seite","description":"Prüft am Objekt seite den Befund Zeit bis zum sichtbaren Renderstart.","url":"https://tempo.halowerk.com/v1/pruef/tempo/renderstart/seite","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_Px8U1nQ18C3KvO4AhKUpa","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":"Measures the time to first visible render start (Time to First Paint) for a given public web page URL.","exampleAgentPrompt":"Can you check how long it takes for https://www.example.com to show its first visible content — the time to render start?","exampleUseCases":[{"title":"Pre-launch page speed audit","prompt":"Before we go live, can you measure the render start time for https://staging.myshop.com so I can make sure visitors see something quickly?"},{"title":"Competitor rendering benchmark","prompt":"I want to know how fast https://www.competitorsite.com starts rendering compared to our own site — can you check the time to first visible render start for that URL?"},{"title":"Regression monitoring after deploy","prompt":"We just pushed a new release — can you test the render start time on https://www.myapp.com so I know if we accidentally slowed things down?"}],"resultDescription":"Returns the measured time (in milliseconds or seconds) until the first visible render event occurs when loading the specified page, giving a concrete front-end performance data point for render start latency.","failureModes":["Non-public or unreachable URL returns an error or timeout","Invalid URL format causes a validation rejection","CSS selector matches no element, falls back to first match or returns an error","Very slow or unresponsive target sites may cause measurement timeouts","Rate limiting or bot-blocking on the target site may prevent accurate measurement"],"whenToPreferThis":"Use this endpoint when you need to measure specifically the time to first visible render start (first paint latency) for a web page, particularly when building performance audits, CI/CD regression checks, or competitive benchmarking workflows. Prefer this over generic uptime or full-load-time checks when the user cares specifically about perceived render speed from a visitor's perspective.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T12:39:16.057Z","isFirstParty":false}