Public profileJSON
{
"schemaVersion": "1.0",
"name": "Linga Chat",
"slug": "linga-chat",
"website": "https://www.lingachat.com",
"category": "education",
"description": "Linga Chat is a language exchange platform designed for speaking practice with native speakers, combining language-partner matching, instant translation in 27 languages, live audio & video rooms, and a 24/7 AI language partner in one app. Free to start. iPhone, iPad, Mac, Android and Windows. Both llms.txt and llms-full.txt are generated server-side on every request, so they always reflect the live content.",
"capabilities": [
"llmsTxt documentation",
"llmsFullTxt documentation"
],
"aiResources": {
"llmsTxt": {
"type": "llmsTxt",
"url": "https://www.lingachat.com/llms.txt",
"status": "verified",
"available": true,
"httpStatus": 200,
"checkedAt": "2026-11-10T22:17:17.744Z",
"lastSuccessfulAt": "2026-11-10T22:17:17.744Z",
"contentType": "text/plain; charset=utf-8",
"contentSize": 23584,
"estimatedTokens": 5894,
"tokenMethod": "UTF-16 characters / 4 (approximation)",
"contentHash": "44344fa2d009843552d2b639f20c66fcb36317b98fc65a3180154655827c3905",
"internalLinks": 193,
"externalLinks": 0,
"document": {
"h1Count": 1,
"firstBlockIsH1": true,
"title": "Linga Chat",
"usefulTitle": true,
"headingCount": 9,
"uniqueHeadingCount": 9,
"hasSections": true,
"orderedHeadings": true,
"sectionWithContent": true,
"fileListLinks": 193,
"summaryPresent": true,
"contextPresent": true,
"validLinks": 193,
"invalidLinks": 0,
"duplicateLinks": 0,
"descriptiveLinks": 193,
"annotatedLinks": 0
},
"linkHealth": {
"eligibleCount": 193,
"selectedCount": 5,
"sampledCount": 5,
"working": 4,
"broken": 0,
"unknown": 1,
"checkedAt": "2026-11-10T22:17:18.347Z",
"sourceHash": "44344fa2d009843552d2b639f20c66fcb36317b98fc65a3180154655827c3905",
"method": "deterministic sample, at most 5 URLs, at most 2 concurrent hosts, 15s budget",
"results": [
{
"url": "https://www.lingachat.com/en/answer/can-i-keep-a-language-diary",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:17:18.347Z",
"attempted": true,
"status": "working",
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},
{
"url": "https://www.lingachat.com/en/subscription-gold.html",
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"checkedAt": "2026-11-10T22:17:18.347Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://www.lingachat.com/en/index.html",
"status": "unknown",
"httpStatus": null,
"reason": "oversized",
"attempted": true,
"checkedAt": "2026-11-10T22:17:18.347Z"
},
{
"url": "https://www.lingachat.com/en/answer/are-there-jokes-to-learn-a-language",
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"checkedAt": "2026-11-10T22:17:18.347Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://www.lingachat.com/en/answer/what-are-linga-chat-events",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:17:18.347Z",
"attempted": true,
"status": "working",
"reason": "http_success"
}
]
},
"headings": [
"Linga Chat",
"Key facts",
"Core pages",
"Other pages",
"Legal & policies",
"Answers (question → page)",
"Languages",
"Company",
"Language versions"
],
"warnings": [],
"summary": "Documentation sections: Linga Chat; Key facts; Core pages; Other pages; Legal & policies; Answers (question → page).",
"summarySourceHash": "44344fa2d009843552d2b639f20c66fcb36317b98fc65a3180154655827c3905",
"processingVersion": "2.0",
"method": "markdown-ast-analysis"
},
"llmsFullTxt": {
"type": "llmsFullTxt",
"url": "https://www.lingachat.com/llms-full.txt",
"status": "verified",
"available": true,
"httpStatus": 200,
"checkedAt": "2026-11-10T22:17:18.010Z",
"lastSuccessfulAt": "2026-11-10T22:17:18.010Z",
"contentType": "text/plain; charset=utf-8",
"contentSize": 238255,
"estimatedTokens": 59310,
"tokenMethod": "UTF-16 characters / 4 (approximation)",
"contentHash": "4e59c718a5245cf4de3c99485869b9c9c3030a1af21bbb7573021978ae35ccb4",
"internalLinks": 193,
"externalLinks": 0,
"document": {
"h1Count": 2,
"firstBlockIsH1": true,
"title": "Linga Chat",
"usefulTitle": true,
"headingCount": 160,
"uniqueHeadingCount": 160,
"hasSections": true,
"orderedHeadings": true,
"sectionWithContent": true,
"fileListLinks": 193,
"summaryPresent": true,
"contextPresent": true,
"validLinks": 193,
"invalidLinks": 0,
"duplicateLinks": 0,
"descriptiveLinks": 193,
"annotatedLinks": 0
},
"headings": [
"Linga Chat",
"Key facts",
"Core pages",
"Other pages",
"Legal & policies",
"Answers (question → page)",
"Languages",
"Company",
"Full answers",
"What is Linga Chat?",
"How does Linga Chat work?",
"Is Linga Chat free?"
],
"warnings": [
"Format finding: start with one H1 naming the site or project."
],
"summary": "Documentation sections: Linga Chat; Key facts; Core pages; Other pages; Legal & policies; Answers (question → page).",
"summarySourceHash": "4e59c718a5245cf4de3c99485869b9c9c3030a1af21bbb7573021978ae35ccb4",
"processingVersion": "2.0",
"method": "markdown-ast-analysis"
},
"webmcp": null
},
"readiness": {
"score": 98,
"version": "2.0",
"confidence": "medium",
"components": [
{
"name": "availability",
"weight": 25,
"assessedWeight": 25,
"points": 25,
"rules": [
{
"id": "current_access",
"label": "Current usable primary file",
"weight": 25,
"observation": "Current llms.txt retrieval succeeded (HTTP 200); usable text verified.",
"points": 25
}
],
"explanation": "Current usable primary file: 25/25."
},
{
"name": "structure",
"weight": 25,
"assessedWeight": 25,
"points": 25,
"rules": [
{
"id": "title",
"label": "One project H1 at the beginning",
"weight": 10,
"observation": "1 H1 heading(s); starts with H1: yes.",
"points": 10
},
{
"id": "sections",
"label": "Coherent content sections",
"weight": 5,
"observation": "H2 with content: yes; no heading-level jumps: yes.",
"points": 5
},
{
"id": "file_lists",
"label": "Documentation links organized in lists",
"weight": 5,
"observation": "193 valid link occurrence(s) inside Markdown lists.",
"points": 5
},
{
"id": "heading_uniqueness",
"label": "Non-repeated headings",
"weight": 5,
"observation": "9 unique heading(s) out of 9; code examples are excluded.",
"points": 5
}
],
"explanation": "One project H1 at the beginning: 10/10. Coherent content sections: 5/5. Documentation links organized in lists: 5/5. Non-repeated headings: 5/5."
},
{
"name": "links",
"weight": 25,
"assessedWeight": 25,
"points": 22.5,
"rules": [
{
"id": "link_syntax",
"label": "Resolvable HTTP(S) link syntax",
"weight": 5,
"observation": "193 valid URL occurrence(s), 0 malformed, unsupported or unresolved.",
"points": 5
},
{
"id": "link_uniqueness",
"label": "Unique documentation destinations",
"weight": 5,
"observation": "193 unique destination(s) from 193 valid occurrence(s).",
"points": 5
},
{
"id": "link_labels",
"label": "Descriptive link labels",
"weight": 2.5,
"observation": "193 of 193 unique links have non-placeholder labels. This is a text heuristic, not a semantic guarantee.",
"points": 2.5
},
{
"id": "link_notes",
"label": "Context beside file links",
"weight": 2.5,
"observation": "0 of 193 unique links have notes beside a Markdown list link.",
"points": 0
},
{
"id": "link_health",
"label": "Sampled destination accessibility",
"weight": 10,
"observation": "5 of 193 destinations sampled: 4 working, 0 confirmed 404/410, 1 unknown. Only working and confirmed-broken results enter this fraction.",
"points": 10
}
],
"explanation": "Resolvable HTTP(S) link syntax: 5/5. Unique documentation destinations: 5/5. Descriptive link labels: 2.5/2.5. Context beside file links: 0/2.5. Sampled destination accessibility: 10/10."
},
{
"name": "confidence",
"weight": 15,
"assessedWeight": 15,
"points": 15,
"rules": [
{
"id": "verification_age",
"label": "Age of last successful verification",
"weight": 10,
"observation": "Last success: 2026-11-10T22:17:17.744Z. Full points through day 8 (7-day schedule plus 1-day grace), 60% through day 30, 20% thereafter or for an unknown date.",
"points": 10
},
{
"id": "latest_success",
"label": "Latest primary check succeeded",
"weight": 5,
"observation": "Latest primary verification succeeded.",
"points": 5
}
],
"explanation": "Age of last successful verification: 10/10. Latest primary check succeeded: 5/5."
},
{
"name": "metadata",
"weight": 10,
"assessedWeight": 10,
"points": 10,
"rules": [
{
"id": "summary",
"label": "Useful summary blockquote",
"weight": 5,
"observation": "A blockquote before the first H2 with at least 20 non-whitespace characters and no placeholder-only text.",
"points": 5
},
{
"id": "context",
"label": "Useful introductory context",
"weight": 5,
"observation": "An introductory paragraph before the first H2 with at least 20 non-whitespace characters and no placeholder-only text. Listing form fields do not earn these points.",
"points": 5
}
],
"explanation": "Useful summary blockquote: 5/5. Useful introductory context: 5/5."
}
],
"earnedPoints": 97.5,
"assessedWeight": 100,
"availableWeight": 100,
"provisional": false,
"calculatedAt": "2026-11-10T22:17:20.193Z",
"lastVerifiedAt": "2026-11-10T22:17:17.744Z",
"evidence": {
"sourceUrl": "https://www.lingachat.com/llms.txt",
"contentHash": "44344fa2d009843552d2b639f20c66fcb36317b98fc65a3180154655827c3905",
"processingVersion": "2.0",
"retrievedAt": "2026-11-10T22:17:17.744Z"
},
"linkSampling": {
"eligibleCount": 193,
"selectedCount": 5,
"sampledCount": 5,
"working": 4,
"broken": 0,
"unknown": 1,
"checkedAt": "2026-11-10T22:17:18.347Z",
"sourceHash": "44344fa2d009843552d2b639f20c66fcb36317b98fc65a3180154655827c3905",
"method": "deterministic sample, at most 5 URLs, at most 2 concurrent hosts, 15s budget",
"results": [
{
"url": "https://www.lingachat.com/en/answer/can-i-keep-a-language-diary",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:17:18.347Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://www.lingachat.com/en/subscription-gold.html",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:17:18.347Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://www.lingachat.com/en/index.html",
"status": "unknown",
"httpStatus": null,
"reason": "oversized",
"attempted": true,
"checkedAt": "2026-11-10T22:17:18.347Z"
},
{
"url": "https://www.lingachat.com/en/answer/are-there-jokes-to-learn-a-language",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:17:18.347Z",
"attempted": true,
"status": "working",
"reason": "http_success"
},
{
"url": "https://www.lingachat.com/en/answer/what-are-linga-chat-events",
"httpStatus": 200,
"checkedAt": "2026-11-10T22:17:18.347Z",
"attempted": true,
"status": "working",
"reason": "http_success"
}
]
},
"warnings": [
"This measures observable documentation, not model rankings or citation probability.",
"H1 is the only required section in the llms.txt proposal. Other checks are LLMSList quality preferences; missing optional sections do not make usable text invalid.",
"Destination accessibility covers a sample of 5 out of 193 unique links, not the entire website."
]
},
"updatedAt": "2026-11-10T22:17:20.194Z"
}