Evidence · first-party tested/Best AI Tools to Scrape Web Pages Into Clean Markdown or Structured Data
Returns 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.
What was measured
Proxy Evasion
How well the tool gets past anti-bot protections and modal or firewall barriers to reach the page content.
decisive for this rankingtransformation
Bypassing anti-bot and modal barriers is often required to reach the page content at all, so it directly affects scraping success. (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
Firecrawl scrape result for a Glassdoor jobs page in Markdown format.
Also checked on this input — same tool, 15 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✗ FailedFails to strip boilerplate, retaining the full primary navigation tree, historical sidebar components, thousands of user review nodes, and the footer block.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 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✓ WorkedPreserves Markdown structure and core content cleanly, including headings, the ingredients table, and the step-by-step workflow, with excellent textual fidelity.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◐ MixedExtracts the core job-listing content, but breaks the text structure with navigation buttons, search filter blocks, and internal page links.Schema Extraction Integrity✓ WorkedThe extractor returned the core job-listing payload accurately, including active software engineering listings, corporate profile names, salary estimates, and required technical skill arrays.Schema Extraction Integrity✓ WorkedThe tool preserved the requested recipe structure with high textual fidelity, including the ingredients table and step-by-step workflow, and retained hyperlink routing definitions accurately.Visual Spatial Awareness✗ FailedFails to separate the target job region from surrounding page chrome, returning global layout blocks immediately after the main content.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 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✗ 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.
Provenance
- Observation
- 3d6a4fa2-e8e0-4a86-b2f5-866746cfeb98
- 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
- verified
- Proof shown
- input + output shown
- 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 Proxy Evasion
Jina AI Reader✓ WorkedThe backend can bypass a standard Glassdoor "Humans only" interstitial and return page text in about 3.6 seconds, indicating that basic anti-bot and proxy barriers were cleared in this run.Skyvern✓ WorkedThe tool can bypass a standard interstitial sign-in/modal barrier and still recover the target content, outputting structured job listings with deterministic fields such as title, company, location, and summary.Spider✗ FailedNative proxy handling fails against anti-bot protection, triggering a full 'Humans only' Cloudflare-style block page instead of the target listings.
This evidence is published in
Real inputs and real outputs, no retouching · every cell queryable via API & MCP · aidemos.com