1.2.1 Normative References

[PerformanceTimeline] World Wide Web Consortium, "Performance Timeline", W3C Recommendation 12 December 2013, http://www.w3.org/TR/2013/REC-performance-timeline-20131212/

[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997, http://www.rfc-editor.org/rfc/rfc2119.txt