Answer: Lots of indexing facility is available online. The various branded firms which allow the journal’s editor to be indexed is MedLine, PubMed, EMBASE, SCOPUS, Web of Science and EBSCO Publishing’s Electronic Databases. The quality of any journal can be easily understood by where it has been indexed worldwide. Some firm allows indexing which only limited to journal name with its website link. This also gives single to Google for whitelisted back link. The best indexing firm can be those firms which allow journal editor to index all there past and present articles in XML files just like Digital Object Identifier System (DOI). CrossRef is also one of them. We always recommend the editor to indexed there journal where they can indexed there published articles in XML or RSS feed.