🔬 LLM Crawler Extended Probe Test v2

1. Static HTML STATIC

SENTINEL_MAPLE_01

4. HTML Comment HIDDEN

Inside <!-- comment -->

5. Meta Tag HIDDEN

In head: SENTINEL_VELVET_M01

6. Data Attribute HIDDEN

In data-probe attr

7. Hidden Input HIDDEN

Hidden form field

8. Microdata STATIC

9. JSON-LD HIDDEN

In head script: SENTINEL_FALCON_J01

10. display:none (Modal) CSS

Hidden via display:none

11. visibility:hidden CSS

Hidden via visibility:hidden

12. opacity:0 CSS

Hidden via opacity:0

13. CSS ::after CSS

14. CSS ::before CSS

15. CSS content:attr() CSS

16. JS Inline (immediate) JS

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17. JS Delayed 500ms TIMING

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18. JS Delayed 1s TIMING

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19. JS Delayed 2s TIMING

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20. JS Delayed 3s TIMING

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21. JS Delayed 5s TIMING

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22. Fetch API NETWORK

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23. XMLHttpRequest NETWORK

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24. POST-only Endpoint NETWORK

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25. Shadow DOM (open) ADVANCED

26. Shadow DOM (closed) ADVANCED

27. Iframe (src) ADVANCED

28. Iframe (srcdoc) ADVANCED

29. Dynamic Import (ES Module) ADVANCED

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30. Web Worker ADVANCED

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31. Lazy Load (IntersectionObserver) JS

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32. Base64 Data URI (img alt + SVG text) ADVANCED

33. Inline SVG Text STATIC

34. Static Nav Link STATIC

35. JS Toggle Nav (hamburger) JS

36. Slotted Web Component ADVANCED

37. Redirect Chain NETWORK

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38. JS Variable (no DOM) JS

In window.PROBE_VAR only

39. Navigator Beacon NETWORK

Fires beacon on page load

40. Canvas Rendered Text ADVANCED

41. JS-Triggered Modal (showModal) JS

Value only in <dialog> — requires JS showModal()

42. Explicit URL Page NETWORK

Same test at /page-explicit.html — test if crawlers behave differently with explicit file URLs vs /

43. Cached Endpoint (Cache-Control) NETWORK

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44. ETag Endpoint NETWORK

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45. Cookie-Gated Content NETWORK

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46. Robots-Disallowed Path NETWORK

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