cefrtest

cefrtest is a free, web-based language proficiency testing platform that assesses user skills across seven languages against the Common European Framework of Reference for Languages (CEFR). Utilizing an Item Response Theory (IRT) based Computerized Adaptive Testing (CAT) algorithm validated by over 40,000 responses, it delivers rapid and personalized level assessments in approximately 60 seconds. The service provides standardized A1 to C2 certification data for English, German, Spanish, French, Japanese, Chinese, and Korean.

LLM mention score

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.

Get Free API Credits API Documentation

How to get LLM mention data →

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