Published on January 12, 2012
#DigiTalksChelt Jan 2012Web Performance - A Whistle Stop Tour...@andydavies http://www.ﬂickr.com/photos/blaxjax/170373495
7sAverage page load time of Fortune 500 websites
“...up to 57% of online consumers will abandon a site after waiting 3 seconds for a page to load” Strangeloop Networks http://www.ﬂickr.com/photos/macieklew/351554256
Slower sites have lower conversion rates http://www.ﬂickr.com/photos/nelc/1208393486
Improving performance raises conversions http://www.ﬂickr.com/photos/glasgows/444674524
Improving performance can save money http://www.ﬂickr.com/photos/mjohnso/5437331304
Measuring load time using page waterfalls Great diagnostic tool, but it’s a sample of one and we are not our users!
Real User Load Page Times 27% 24%Visitors (%) 13% 8% 8% 6% 6% 3% 3% 2% 1% 1 2 3 4 5 6 7 8 9 10 > 10 Load Time (s)
Google Analytics: Measuring Real Users Sample data generated by modern browsers and Google Toolbar - older browsers may not be represented accurately!
Other tools for measuring page load time http://www.ﬂickr.com/photos/wwarby/3297205226
80%of page load time is down to the front-end (May be as high as 97% for mobile users)
But, don’t forget about server performance... http://www.ﬂickr.com/photos/br1dotcom/4297736794
“More Bandwidth Doesn’t Matter (much)” Mike Belshe 3.11sPage Load Time 1.95s 1.63s 1.50s 1.44s 1.41s 1.39s 1.38s 1.37s 1.36s 1 2 3 4 5 6 7 8 9 10 Bandwidth (Mbps)
Cut down the number of requests http://www.ﬂickr.com/photos/mic_n_2_sugars/564570276
Put your pages on a diet http://www.ﬂickr.com/photos/europedistrict/4537909259
Understand how pages load
Don’t have to do it all by hand http://www.ﬂickr.com/photos/simeon_barkas/2557059247
http://www.slideshare.net/andydavies @andydavies http://www.ﬂickr.com/photos/auntiep/5024494612
The slides from my recent talk at DigiTalks Cheltenham: Web Performance - A Whistlestop Tour
Whistlestop promotes active and independent lives for Marin ... Short Play Performance: ... Please view the Class Listings and Web Calendar for any class ...
A compilation of live tour video, audio, pictures and info. The Whistle Stop Revue: Web Contact: Home Upcoming Shows Music and Video ...
Web performance management. Pingdom makes it easy for you to monitor the uptime and performance of your website or web application
Peak Performance. Catalog Navigation. Men SHOP THE LOOK Active Wear ... Freeride World Tour Performance Redefined Catch Magic Hour Help Back. Help Contact Us
Tours, things to do, sightseeing tours, day trips and more from Viator. Find and book city tours, helicopter tours, day trips, show tickets, ...
WhistleStop Weekend 2016 will host the Alabama Chili Championship (CASI) and the Rocket City Chili Championship (Open). The Top 3 winning CASI cooks AUTO ...
See the large range of men's wear in the Peak Performance online store. ... Freeride World Tour Performance Redefined Catch Magic Hour Hilfe Zurück. Hilfe