{"uid":"cap_wNO0boEL7lOGYYrPt9Sd-","slug":"tempo-halowerk-com-ttfb-checker-seite-da432fd9","name":"tempo.halowerk.com TTFB Checker (Seite)","description":"Prüft am Objekt seite den Befund Zeit bis zum ersten Byte.","url":"https://tempo.halowerk.com/v1/pruef/tempo/ttfb/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_l9_UJ3VXaenGvhUQJSFQK","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 Byte (TTFB) for a given web page URL, returning the server response latency metric.","exampleAgentPrompt":"Can you check the time to first byte (TTFB) for https://example.com and tell me how fast the server is responding?","exampleUseCases":[{"title":"Baseline TTFB audit for new site","prompt":"I just launched my website at https://myshop.de — can you measure the time to first byte so I can see how fast the server is responding before I start optimizing?"},{"title":"Compare server response after CDN setup","prompt":"We just put a CDN in front of https://blog.mybrand.com — can you run a TTFB check on it so I can see if the server response time actually improved?"},{"title":"Monitor TTFB as part of performance checks","prompt":"Run a time-to-first-byte test on https://portal.myapp.io/dashboard and let me know if the TTFB looks acceptable or if we have a slow server response problem."}],"resultDescription":"Returns the measured Time to First Byte (TTFB) for the target page, indicating how long the server took to start sending response data after a request was made. May include numeric timing values in milliseconds and a pass/fail or benchmark assessment.","failureModes":["Target URL is unreachable or returns an error (non-2xx HTTP status)","Invalid or malformed URL provided in 'ziel' field","URL resolves to a private or non-routable IP address","Timeout if the server takes too long to respond","CSS selector matches no elements on the page","Rate limiting or payment issues (x402 payment required)"],"whenToPreferThis":"Choose this endpoint when you need to specifically measure the TTFB (Time to First Byte) performance metric for a web page. It is purpose-built for TTFB measurement rather than general page load time, DNS resolution time, or other performance metrics which are available as sibling endpoints on the same platform. Ideal for server-side latency audits and performance monitoring workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:54:39.467Z","isFirstParty":false}