Concerning Etags and Datestamps

A large-scale study of the evolution of web pages

Dennis Fetterly, Mark S. Manasse, Marc Najork et al. · 2003 · 346 citations

Search Engine Optimization, Engineering, Change Intensity +20

Estimating frequency of change

Junghoo Cho, Héctor García-Molina · ACM Transactions on Internet Technology · 2003 · 329 citations

Engineering, Shift Detection, Change Detection +18

Rate of change and other metrics: a live study of the world wide web

Fred Douglis, Anja Feldmann, Balachander Krishnamurthy et al. · 1997 · 318 citations

Towards a better understanding of Web resources and server responses for improved caching

Craig E. Wills · Computer Networks · 1999 · 63 citations

Web Architecture, Engineering, Information Retrieval +11

Hypertext Transport Protocol HTTP/1.1

Jim Gettys · 2001 · 17 citations

Transport Layer, Network Communication Protocol, Internet Protocol