Marvin Hagemeister

marvinh.dev

Marvin Hagemeister is a frontend software engineer and core developer of Preact, a lightweight, React-compatible JavaScript library. He specializes in building large-scale enterprise applications for industries such as insurance, automotive, and banking, with a focus on optimizing JavaScript tooling and simplifying complex development problems.

LLM mention score The LLM mention score is the total number of mentions of this brand in different LLM chatbots, normalized to the scale from 0 to 100. You can get actual, non-normalized numbers via the LLM Mention API from DataForSEO.

Normalized 0–100 · last 8 weeks

DataForSEO API

Get LLM mention data of any company via DataForSEO API

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

How to get LLM mention data →
// Fetch Marvin Hagemeister mentions
POST v3/ai_optimization/llm_mentions/search_mentions/live
[
    {
        "target": [
            {
                "domain": "marvinh.dev",
                "search_filter": "include",
                "search_scope": ["sources"]
            }
        ],
        "order_by": ["ai_search_volume,desc"]
    }
]