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Tor is one of the most popular anonymity networks that allows Internet users to hide their browsing activity. Hiding browsing activity is essential for Internet users to increase their privacy. Only Tor users should know the website they are browsing. However, an attacker can utilise the Website Fingerprinting (WF) attack to identify webpages browsed by Tor users. WF is a significant threat to Internet users' privacy as Tor should conceal the browsed webpages' information. Existing WF studies focused on the investigation to improve the identification capabilities, overlooking the systematic discussion and assessment of existing techniques. In addition, existing surveys and analyses reviewed insufficient variation of WF on Tor techniques. Therefore, this survey paper aims to provide a systematic and thorough review of various WF on Tor techniques. First, we discuss WF on Tor techniques in five primary aspects: threat …