A method of short uniform resource locator (URL) lookup and feedback of various examples may include: receiving a request related with a short URL associated with a target URL; identifying resource information of the short URL which is descriptive of credibility of network resources pointed to by the target URL; and making the resource information provided to a user. Another method of short URL lookup and feedback of various examples may include: receiving a request related with a long URL; identifying an identity of a website providing network resources pointed to by the long URL, the identity is a character string or a logo; generating a short URL which includes the identity; and making the short URL provided to the user.