Evidence · first-party tested/Best AI Tools to Scrape Web Pages Into Clean Markdown or Structured Data
Struggles to clean SPA clutter, leaving global localization links, background asset tags, and raw image URL trees in the Markdown.
What was measured
Noise Filtering
How well the tool strips boilerplate, ads, navigation, comments, and other clutter from a static page.
decisive for this rankingtransformation
Removing ads, nav, comments, and other clutter is fundamental to producing clean Markdown or structured data. (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, 14 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.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.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.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✗ 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.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.
Provenance
- Observation
- fea16e37-2aee-4022-9d96-2acf0a2e6d15
- 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 — 2 other tools
measured on Noise Filtering
Jina AI Reader◐ MixedIt can recover the page text layer, but the extraction still leaves job data interleaved with French and German translation strings and header redirect text, so heavy post-processing cleanup is still required.Spider✗ FailedThe scraper fails to strip static boilerplate from cluttered pages: the markdown included the global header navigation, social-sharing URLs, cookie-choice notices, and user reviews instead of isolating only the core recipe content.
This evidence is published in
Real inputs and real outputs, no retouching · every cell queryable via API & MCP · aidemos.com