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Browser Performance 101
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Albert Casademont
October 31, 2014
Programming
0
140
Browser Performance 101
An introductory talk to the browser performance world for the nice people at Trovit
Albert Casademont
October 31, 2014
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Transcript
Browser Perf 101
About Albert Casademont ulabox.com @acasademont (no me busquéis en Linkedin)
why perf matters?
speed = money
None
but i'm a developer!
DevOps
source: wikipedia.org
None
3-way TCP handshake source: http://www.admin-magazine.com
TCP Flow control source: High Performace Networking (I. Grigorik)
Performance check-list low latency is king! keep-alive initcwnd >= 10
disable slow start after idle tcp fast open (kernel >= 3.6)
None
critical rendering path
critical rendering path source: http://http://www.sitepoint.com
critical rendering path source: http://http://www.sitepoint.com
Performance check-list cache! keep bytes low (minimize, gzip) inline above
the fold css make async js when possible lazy-load below the fold images
None
https = http + tls
TLS Handshake source: https://devcentral.f5.com/articles/ssl-profiles-part-1
None
SPDY HTTP 2.0
GoogleBot HTTPS
None
http vs NICE https
Resources
Resources http://www.webpagetest.org https://blog.cloudflare.com https://igvita.com https://insouciant.org https://imperialviolet.org https://ssllabs.com/ssltest
gràcies ;)