Well, in general, the web novel version of 'jobless reincarnation' might have more of a raw and unedited feel. It could be updated more frequently with less polish. The light novel, on the other hand, often has better formatting and may be more refined in terms of language and presentation. It also might have some additional illustrations which the web novel may lack.
The web novel of 'jobless reincarnation' may contain more experimental ideas or plotlines as it's not as restricted by traditional publishing norms. It can be a place for the author to test out different concepts. The light novel, due to the cost of production and the need to appeal to a wider market, might be more conservative in its approach. For instance, it may shy away from very complex or niche story elements. Additionally, the marketing strategies for the two versions can be quite different. The web novel might rely on online word - of - mouth and social media promotion, while the light novel will be promoted in bookstores and through traditional book - related media channels.