HTLMSpy is a tool for who are learnnig html and who want to know how are cretaed the best sites in the world. You visit sites, clolect html soucres and them part for using in own pages. Other HTMSLpy fucntion is visaul vaildation of html code. If soucre has error(s) the first line does not rteurn to the first posiiton after lodaing in HTMLSpy. It means that html code is not well-fromed. You can corrcet soruce and check it again. HMTLSpy icnlude cloored html viweer and edtior for chanigng and cmoment code.