SEMANTIC HTML · ARCHIVED RESULTS

Semantic HTML.
Compare what tools preserve.

The same text. One markup change.
Two outputs to inspect, with evidence.

Explore an archived run from 20 September 2026, re-evaluated on 21 September. No extraction runs during your visit.

EXPLORE THE CONTROLLED CORPUS

Essential caveat

Mozilla Readability 0.6.0 · Extractor / reading tool · English document

All 42 comparisons

The check observes whether the caveat text is present. Its attachment to the claim is not evaluated. This case does not justify removing all aside elements. Test scope.

A

VARIANT A

A caveat in a p

Output produced

Caveat text : Present. Source

01 · The HTML change

<p class="case-caveat">Essential caveat: this synthetic example measures neither real traffic, ranking, nor citation by an AI system.</p>

Exact input excerpt · Original HTML ↓

02 · What the tool produces HTML

…
<p>Essential caveat: this synthetic example measures neither real traffic, ranking, nor citation by an AI system.</p><p>The conclusion must be read with its unit, period, scope and caveat. Finding a word in an output is not enough to prove that the relationship was preserved.</p></article></div></div>

Excerpt identified by the corrected evaluator. Full output below.

03 · The documented observation

Caveat text
Present
Element containing the caveat
Other element
Attachment to the claim
Not evaluated

Verdict source: results.json · caveat-en-1 / readability

Inspect the full evidence

The verdicts above come from corrected results.json. The raw file’s evaluation fields are historical and are not authoritative here.

results.json/cases/10/evaluation/relation/readability

Corrected verdict, unchanged
{
  "status": "ok",
  "tool_class": "content_extractor",
  "format": "html",
  "caveat_text": "present",
  "caveat_element": "not_aside",
  "attachment_to_claim": "not_evaluated",
  "evidence": {
    "excerpt": "Essential caveat: this synthetic example measures neither real traffic, ranking, nor citation by an AI system."
  },
  "output_field": "readability.content",
  "output_sha256": "f41c397139aeac6a0cb4dff56c848809b0736968ccbca1e3c3d85183e9d6ad25"
}
Complete studied output field

readability.content

<div id="readability-page-1" class="page"><div><article><p>This synthetic document compares two markups while text, order, classes and surroundings remain identical. The data are fictional and describe neither Edikka nor a client.</p><h2>Synthetic result</h2><p>The observed rate is 42% across 200 simulated operations in May 2026.</p><p>Essential caveat: this synthetic example measures neither real traffic, ranking, nor citation by an AI system.</p><p>The conclusion must be read with its unit, period, scope and caveat. Finding a word in an output is not enough to prove that the relationship was preserved.</p></article></div></div>
Archived version and options

Mozilla Readability 0.6.0 · Execution 2026-09-20

{
  "version": "0.6.0",
  "configuration": {
    "keepClasses": false,
    "charThreshold": 500,
    "disableJSONLD": false
  }
}

Archived runner · Python options

SHA-256 hashes
HTML input
11babb37902010f22ccbe9592ac6757c3f8543c2ab09dff81157398e1dba5fe5
Evaluated output field
f41c397139aeac6a0cb4dff56c848809b0736968ccbca1e3c3d85183e9d6ad25

Complete raw output file ↗

B

VARIANT B

A caveat in an aside

Output produced

Caveat text : Absent. Source

01 · The HTML change

<aside class="case-caveat">Essential caveat: this synthetic example measures neither real traffic, ranking, nor citation by an AI system.</aside>

Exact input excerpt · Original HTML ↓

02 · What the tool produces HTML

<div id="readability-page-1" class="page"><div><article><p>This synthetic document compares two markups while text, order, classes and surroundings remain identical. The data are fictional and describe neither Edikka nor a client.</p><h2>Synthetic result</h2><p>The observed rate is 42% across 200 simulated operations in May 2026.</p><p>The conclusion must be read with its unit, period, scope and caveat. Finding a word in an output is not enough to prove that the relationship was preserved.</p></article></div></div>

Excerpt from the start of the output; it does not establish absence on its own. Full output below.

03 · The documented observation

Caveat text
Absent
Element containing the caveat
Absent
Attachment to the claim
Not evaluated

Verdict source: results.json · caveat-en-2 / readability

Inspect the full evidence

The verdicts above come from corrected results.json. The raw file’s evaluation fields are historical and are not authoritative here.

results.json/cases/11/evaluation/relation/readability

Corrected verdict, unchanged
{
  "status": "ok",
  "tool_class": "content_extractor",
  "format": "html",
  "caveat_text": "absent",
  "caveat_element": "absent",
  "attachment_to_claim": "not_evaluated",
  "evidence": {
    "excerpt": null
  },
  "output_field": "readability.content",
  "output_sha256": "94885503024da2a9571c17dcc27a6844744c90520388aa1e489c2a7794170934"
}
Complete studied output field

readability.content

<div id="readability-page-1" class="page"><div><article><p>This synthetic document compares two markups while text, order, classes and surroundings remain identical. The data are fictional and describe neither Edikka nor a client.</p><h2>Synthetic result</h2><p>The observed rate is 42% across 200 simulated operations in May 2026.</p><p>The conclusion must be read with its unit, period, scope and caveat. Finding a word in an output is not enough to prove that the relationship was preserved.</p></article></div></div>
Archived version and options

Mozilla Readability 0.6.0 · Execution 2026-09-20

{
  "version": "0.6.0",
  "configuration": {
    "keepClasses": false,
    "charThreshold": 500,
    "disableJSONLD": false
  }
}

Archived runner · Python options

SHA-256 hashes
HTML input
d364cbe27a74da20accf413f383b852914e5fa9cf4216d6e7d3960ce561cf95a
Evaluated output field
94885503024da2a9571c17dcc27a6844744c90520388aa1e489c2a7794170934

Complete raw output file ↗

Identical text and isolated intervention within this pair, according to the protocol witnesses. Translations are not independent observations. View pair witnesses.

LOOK FURTHER

Every result has a scope.

These observations do not rank tools. They do not measure overall accessibility, search ranking, or understanding or citation by AI.

Claims excluded by the protocol