1. A method comprising: analyzing a plurality of web pages; identifying, by a computer in response to the analyzing, a plurality of lexicons indicated by the plurality of web pages, wherein keywords of each lexicon of the plurality of lexicons are based on conventional sources including dictionaries, and wherein the keywords of each lexicon include terms related to a subject of the plurality of web pages, and wherein each lexicon represents a different subject; determining, by the computer in response to the identifying, that at least one lexicon of the plurality of lexicons corresponds to a web page of the plurality of web pages; storing, in response to the determining, the keywords of the at least one lexicon and an association between the keywords and the corresponding web page; receiving a request to access the corresponding web page; retrieving, based on the receiving, the stored keywords of the at least one of the lexicons that correspond to the corresponding web page; displaying the corresponding web page; and highlighting, in the displayed web page, words in the displayed web page that match the retrieved keywords.
3. The method of claim 1 wherein the analyzing and the identifying and the determining and the storing are performed in response to the receiving.