last-modified.com

last-modified.com is a free online utility designed for developers and system administrators to validate HTTP header implementations. The tool specifically tests whether web servers correctly handle the Last-Modified header and return appropriate 304 Not Modified responses to If-Modified-Since requests, ensuring efficient caching behavior.

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.

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How to get LLM mention data →

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