.de domains are popular with startups for several reasons. Firstly, .de domains are associated with Germany, a country known for its strong economy and innovative business environment, which can lend startups credibility and trustworthiness. Additionally, .de domains are widely recognized and respected internationally, making them a valuable asset for startups looking to expand globally. Furthermore, the availability of short and memorable domain names with the .de extension makes it easier for startups to establish a strong online presence and brand identity. Lastly, .de domains are often more affordable than other top-level domains, making them an attractive option for startups looking to save on costs while still maintaining a professional image.