Evidence · first-party tested/Best AI Tools to Scrape Web Pages Into Clean Markdown or Structured Data
Extracts the core job-listing content, but breaks the text structure with navigation buttons, search filter blocks, and internal page links.
What was measured
Output Quality
Conceptually matches the prompt and is visually usable.
decisive for this rankingtransformation
Whether the result matches the page and is actually usable is the main outcome the ranking is trying to measure. (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.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✓ 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✓ 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
- 9ed0263e-7874-4c44-a0d2-c55dd52cca1c
- 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 Output Quality
Jina AI Reader✗ FailedWhen blocked, it emits an anti-bot 'Humans only' text wall in multiple languages rather than job listings, so the returned text is not usable as a listing extract.Skyvern✓ WorkedProduces a highly accurate structured schema for dynamic page data, with the extracted sizes captured cleanly.Spider✗ FailedReturned zero job payload; the output text consisted entirely of multilingual CAPTCHA strings and security warnings.
This evidence is published in
Real inputs and real outputs, no retouching · every cell queryable via API & MCP · aidemos.com