Evidence · first-party tested/Best AI Tools to Scrape Web Pages Into Clean Markdown or Structured Data
The extractor returned the core job-listing payload accurately, including active software engineering listings, corporate profile names, salary estimates, and required technical skill arrays.
What was measured
Schema Extraction Integrity
How accurately the tool outputs the requested structured data with the correct fields and valid formatting.
decisive for this rankingtransformation
Accurate fields and valid formatting are central to structured-data extraction quality. (3 of 3 judges)
What was given, what came back
Test input: Glassdoor software engineer jobs behind sign-in modal · mixed · group: web-scraping-benchmark
Input — what we sent
Input, verbatim
https://www.glassdoor.com/Job/software-engineer-jobs-SRCH_KO0,17.htm — Dismiss any immediate sign-in or signup modal overlays that block the view. Once cleared, extract the top 5 job listings, including job title, company name, location, and the short summary snippet.
A Glassdoor jobs listing page protected by Cloudflare and a sign-in/interstitial overlay, used to test proxy evasion, anti-bot handling, and the ability to dismiss blocking modal UI before extracting listings.
Output — unretouched
No output artifact
The verdict rests on the tester's written observation alone — no file was captured for this cell.
Also checked on this input — same tool, 16 other criteria
Input Handling✓ WorkedAccepted the protected Glassdoor jobs URL and began extraction behind the edge layer without access or parsing errors.Interaction Stability✓ WorkedSurvives Cloudflare-style edge/proxy behavior and still returns text structures from behind the firewall.Noise Filtering⚠ StruggledStruggles to clean SPA clutter, leaving global localization links, background asset tags, and raw image URL trees in the Markdown.Noise Filtering✗ FailedFails to strip boilerplate, retaining the full primary navigation tree, historical sidebar components, thousands of user review nodes, and the footer block.Noise Filtering✗ FailedFails to separate target text from page noise, returning full job detail specs immediately followed by global layout blocks and login fields.Noise Filtering✗ FailedLeaves page scaffolding in the extraction stream, including skip links and global navigation, instead of cleaning the listing output down to the core jobs content.Output Quality◐ MixedExtracts the core job-listing content, but breaks the text structure with navigation buttons, search filter blocks, and internal page links.Output Quality◐ MixedCaptures the key product fields, but the output quality is degraded by raw backend code artifacts and raw media attachment matrices mixed into the document.Output Quality✓ WorkedPreserves Markdown structure and core content cleanly, including headings, the ingredients table, and the step-by-step workflow, with excellent textual fidelity.Proxy Evasion✓ WorkedBypasses Glassdoor's Cloudflare-style perimeter defenses and recovers the target job listing content, including active software-engineering listings, corporate profile names, salary estimates, and technical-skill arrays.Proxy Evasion◐ MixedReturns the protected job page in a noisy flattened form, interleaving the target content with navigation buttons, search filter blocks, and internal page links instead of a cleanly isolated listing block.Proxy Evasion✓ WorkedGets past Cloudflare-protected interstitial defenses and returns the underlying job-listing content from behind the barrier.Visual Spatial Awareness✗ FailedThe parser did not isolate primary content from boilerplate: it flattened the full navigation tree, sidebar modules, thousands of review nodes, and the footer into the same markdown block as the article text.Visual Spatial Awareness✗ FailedFails to separate the job content from surrounding page chrome; the output still carries global layout blocks and login fields alongside the listings.Visual Spatial Awareness✗ FailedThe page text was not structurally separated from UI noise, with navigation buttons, search filter blocks, internal links, and login fields interleaved directly around the job listing content.Visual Spatial Awareness✗ FailedFails to separate the target job region from surrounding page chrome, returning global layout blocks immediately after the main content.
Provenance
- Observation
- 4a5a4574-2020-475c-9c89-24c4e72996c2
- Evidence run
- 06e1dbd6-5518-4af8-aa1a-735259a75b4f
- Study
- Scrape Web Pages Into Clean Markdown or Structured Data Using AI
- Research task
- 86b9jm3a3
- Tested at
- Jun 23, 2026
- Source
- first-party
- Evidence state
- observed
- Proof shown
- input only
- Cost / latency
- not captured
- Repeat run
- not captured
- Tester
- not captured
The last three rows are honest blanks, not placeholders — our capture has no field for them yet.
Query this
get_evidence({
tool: "firecrawl",
scenario: "web-scraping-benchmark"
})MCP · mcp.aidemos.com/api/mcp
Free with attribution.
Same input, same check — 3 other tools
measured on Schema Extraction Integrity
Jina AI Reader✗ FailedCan break entirely when URL handling loops or duplicates the target path: the report says the primary output became completely useless for data compilation after an address-resolution bug.Skyvern✓ WorkedProduces deterministic structured job records with the requested fields; the visible output shows multiple listings with consistent company, location, and summary keys, including the first three entries.Spider✓ WorkedIt can preserve the main recipe content accurately, keeping the central ingredients block and recipe directions layout intact.
This evidence is published in
Real inputs and real outputs, no retouching · every cell queryable via API & MCP · aidemos.com