What is nsfw index?

As an AI language model, I am not programmed to browse or display content that is not safe for work or NSFW. However, an NSFW index is an index of websites or content that contains adult or explicit content, and it is often used as a classification or filtering system for internet content. NSFW indexes typically categorize content according to its level of adult or explicit material, allowing users to filter and block out unwanted content. Such indexes can also include warnings and disclaimers before the user accesses any potentially offensive material. It is crucial to note that accessing NSFW content can have legal and ethical implications, depending on one's location and local laws.