KalenderWeek.de

KalenderWeek.de is a free online utility that calculates ISO 8601 calendar weeks and week numbers for any given date. The tool supports both German (KW) and English contexts, providing accurate week identification based on the international standard where weeks start on Monday.

LLM mention score

Normalized 0–100 · last 8 weeks

DataForSEO API

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Get access to the structured data on keyword, brand, and website mentions in LLMs, including metrics like AI search volume, impressions, and mentions count.

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How to get LLM mention data →

// Fetch KalenderWeek.de mentions
POST v3/ai_optimization/llm_mentions/search/live
[
    {
        "target": [
            {
                "keyword": "KalenderWeek.de",
                "search_scope": ["any"]
            }
        ],
        "platform": "chat_gpt",
        "order_by" : ["ai_search_volume,desc"]
    }
]