{"observation":{"id":"f6d91057-4e09-49ff-9f3f-7517589be27e","tool":"spider","tool_name":"Spider","criterion":"js-dom-hydration","criterion_name":"JS DOM Hydration","criterion_definition":"How well the tool waits for and captures content rendered by client-side JavaScript on dynamic pages.","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"Capturing JavaScript-rendered content is a core scraping capability for modern web pages. (3 of 3 judges)","scenario":"nike-air-force-1-07-size-options-extraction","scenario_name":"Nike Air Force 1 '07 size options extraction","group_tag":null,"scenario_description":"A Nike product page with client-side JavaScript hydration used to test whether a headless scraper waits for dynamic DOM content before extracting product details and all available shoe sizes.","modality":"mixed","input_text":"https://www.nike.com/t/air-force-1-07-mens-shoes-jBrhbr/CW2288-111 — Wait for the size selection options to fully render. Extract the product name, price, and a list of all available shoe sizes.","input_artifact_refs":[],"stresses":[],"verdict":"failed","score":null,"score_total":null,"note":"It failed to wait for client-side hydration of the size picker, leaving the size-selection area empty and returning zero available sizing attributes.","evidence_state":"verified","source":"first-party","artifacts":[{"url":"https://d3epheqghktydj.cloudfront.net/spider-spider-playground-nike-air-force-scrape.png","role":"output","alt":"Spider Playground showing scraped Nike product results"}],"run_id":"06e1dbd6-5518-4af8-aa1a-735259a75b4f","study_title":"Scrape Web Pages Into Clean Markdown or Structured Data Using AI","study_kind":"backfill","research_task":"86b9jm3a3","tested_at":"2026-06-23T04:32:57.304000+00:00","completeness":"input-and-output","input":{"state":"text","text":"https://www.nike.com/t/air-force-1-07-mens-shoes-jBrhbr/CW2288-111 — Wait for the size selection options to fully render. Extract the product name, price, and a list of all available shoe sizes.","files":[],"modality":"mixed","stresses":[]},"tool_page_slug":"spider","tool_url":"https://aidemos.com/tools/spider","permalink":"https://aidemos.com/evidence/f6d91057-4e09-49ff-9f3f-7517589be27e","api_url":"https://ai.aidemos.com/v1/observations/f6d91057-4e09-49ff-9f3f-7517589be27e"},"peers":[{"id":"539003d1-a873-4167-8a3e-5427f4a36e74","tool":"firecrawl","tool_name":"Firecrawl","verdict":"mixed","score":null,"score_total":null,"note":"Captures hydrated product content but leaves substantial non-content noise in the output, including raw backend code artifacts and raw media-attachment matrices.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/firecrawl-firecrawl-nike-scrape-markdown-output.png","evidence_url":"https://aidemos.com/evidence/539003d1-a873-4167-8a3e-5427f4a36e74"},{"id":"4c7cd93d-06c7-4f02-86b8-14711013fddf","tool":"jina-ai-reader","tool_name":"Jina AI Reader","verdict":"mixed","score":null,"score_total":null,"note":"The engine can recover static product metadata from a JavaScript-heavy product page, including the title \"Nike Air Force 1 '07 Men's Shoes\" and the $115 price, but it does not needlessly enrich the dynamic state beyond those static markers.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/jina-ai-reader-jina-reader-nike-product-extraction.png","evidence_url":"https://aidemos.com/evidence/4c7cd93d-06c7-4f02-86b8-14711013fddf"},{"id":"ffd61b21-8c43-4795-bacb-ffa1d87744aa","tool":"skyvern","tool_name":"Skyvern","verdict":"worked","score":null,"score_total":null,"note":"Waits for the client-rendered product page to hydrate and extracts the size grid instead of stopping at the initial shell.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/skyvern-skyvern-extract-nike-af1-product-data.png","evidence_url":"https://aidemos.com/evidence/ffd61b21-8c43-4795-bacb-ffa1d87744aa"}],"other_criteria":[{"id":"4c241c05-718a-4c32-acda-4ce23a4712cf","criterion":"output-quality","criterion_name":"Output Quality","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"Extracted the product title, category, and price cleanly, but the result remained incomplete because the dynamic size inventory was not captured.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/4c241c05-718a-4c32-acda-4ce23a4712cf"},{"id":"211edfb6-01b4-4807-9497-29cf281be794","criterion":"output-quality","criterion_name":"Output Quality","rank_role":"decisive","verdict":"struggled","score":null,"score_total":null,"note":"Preserved the product title and $115 price, but omitted the dynamic size-selection and inventory section, leaving the result incomplete.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/211edfb6-01b4-4807-9497-29cf281be794"},{"id":"9832d5d0-f0d2-49fc-b1a0-5b209215563c","criterion":"schema-extraction-integrity","criterion_name":"Schema Extraction Integrity","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"It can still extract static metadata cleanly, such as structural description definitions and basic marketing attributes, even when the dynamic transactional section is missing.","artifact_count":0,"evidence_url":"https://aidemos.com/evidence/9832d5d0-f0d2-49fc-b1a0-5b209215563c"}],"appears_in":[{"page_type":"ranking","slug":"ai-web-scraping-tools","title":"Best AI Tools to Scrape Web Pages Into Clean Markdown or Structured Data","url":"https://aidemos.com/best/ai-web-scraping-tools","binding":"run"}],"same_scenario":[{"id":"539003d1-a873-4167-8a3e-5427f4a36e74","tool":"firecrawl","tool_name":"Firecrawl","verdict":"mixed","score":null,"score_total":null,"note":"Captures hydrated product content but leaves substantial non-content noise in the output, including raw backend code artifacts and raw media-attachment matrices."},{"id":"4c7cd93d-06c7-4f02-86b8-14711013fddf","tool":"jina-ai-reader","tool_name":"Jina AI Reader","verdict":"mixed","score":null,"score_total":null,"note":"The engine can recover static product metadata from a JavaScript-heavy product page, including the title \"Nike Air Force 1 '07 Men's Shoes\" and the $115 price, but it does not needlessly enrich the dynamic state beyond those static markers."},{"id":"ffd61b21-8c43-4795-bacb-ffa1d87744aa","tool":"skyvern","tool_name":"Skyvern","verdict":"worked","score":null,"score_total":null,"note":"Waits for the client-rendered product page to hydrate and extracts the size grid instead of stopping at the initial shell."}]}