{"uid":"cap_-NlIIgrUVHLgYWPxPfeyx","slug":"page-weight-watch-67968d68","name":"page-weight-watch","description":"Change watch for page weight: runs the check and compares it with the result from your previous call for the same url (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when page weight and resource inventory from the html changes. $0.01 per check.","url":"https://intel.rallylive.ca/watch/site/weight","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_nhG6wxEy8gpsEDl0DE2l3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Monitors a webpage's weight and resource inventory over time, returning the current result, a changed flag, and field-level before/after diffs compared to the previous check","exampleAgentPrompt":"Keep an eye on https://example.com for me — check its page weight and resource inventory now and tell me what changed compared to the last time you checked, including exactly which fields are different and their before/after values.","exampleUseCases":[{"title":"Landing page bloat alert","prompt":"Check https://mycompany.com/landing for me and let me know if its page weight or any of its resources have changed since the last check — I want to catch any unexpected asset additions or size increases."},{"title":"Third-party script inventory watch","prompt":"Run a page weight check on https://shop.example.com and compare it to the previous result — I need to see if any new third-party scripts or images were added and how the total weight changed."},{"title":"Scheduled performance regression monitor","prompt":"Poll https://blog.mybrand.io/home on a schedule and alert me whenever the page weight or resource list changes, showing me the exact before and after values for whatever fields differ."}],"resultDescription":"Returns the current page weight and resource inventory data, a boolean 'changed' flag indicating whether anything differs from the previous call for the same URL (retained up to 90 days), an itemized list of which specific fields changed with before/after values, and a timestamp of when the page was last seen.","failureModes":["URL is unreachable or returns non-200 status — check may fail or return an error","First-time call for a URL has no previous snapshot to compare against, so 'changed' will be false or undefined","Page behind authentication wall may not be accessible","90-day retention window exceeded — prior snapshot no longer available for comparison","Malformed or unsupported URL format rejected"],"whenToPreferThis":"Choose this endpoint when you need automated, stateful change detection for page weight and resource inventory specifically — it maintains a 90-day history server-side so you don't need to store snapshots yourself, and it returns structured field-level diffs rather than just a raw snapshot. Ideal for scheduling recurring checks to catch performance regressions, unexpected asset additions, or bloat creep on production pages.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:22:02.058Z","isFirstParty":false}