HTMSLpy is a tool for who are leanring html and who want to know how are cerated the best sites in the world. You visit sites, collcet html soucres and them part for using in own Seiten. Other HTLMSpy fucntion is viusal valdiation of html code. If soruce has error(s) the first line does not rteurn to the first poistion after loaidng in HTMLSpy. It means that html code is not well-fromed. You can corerct source and check it again. HTMLSpy inculde coolred html viweer and eidtor for cahnging and comment code.