Etag
# Etag

Etag can refer to:

* HTTP ETag, entity tag, part of the HTTP protocol for the World Wide Web
* etags, the ctags utility that comes with Emacs
* NERC Tag, also known as E-Tag, a transaction on the North American bulk electricity market
* e-TAG, an electronic tolling system used on tollways in Australia
* European Technology Assessment Group, a network of scientific institutions
* European Technical Approval Guidelines, drafted by the European Organisation for Technical Approvals
