Performance FTW

download Performance FTW

of 20

  • date post

    27-Jun-2015
  • Category

    Technology

  • view

    361
  • download

    0

Embed Size (px)

description

A quick presentation highlighting the importance of website performance.

Transcript of Performance FTW

  • 1. PERFORMANCE FTW Why your website performance is such a priority
    Enrico Foschi Front End Lead @ SkillPages
    skillpages.com/enrico.foschi- @enricofoschi

2. Performance
is priority
3. Performance has a number of implications(very important ones)
4. Google penalizes slow websites
Random Google guy @ Velocity Conference 2011
And performance is one of the main criteria on SEO ranking
Random Google guy #2 next to Random Google guy @ Velocity Conference 2011
5. Slow websites
SUCK!!
6. Chicks dig
fast websites!(and users too)
7. FASTER WEBSITEmeansMORE USERS
8. I WANT
DATA!(and youre right)
9. 75% people do not return to a website that takes more than 4 seconds to load
study from Akamai
study from University of Nebraska
10. Some interesting facts...
If the website loads in 3 instead of 2 seconds, you risk to lose up to 40% of visitors.
Akamai
11. Some interesting facts...
For every 100ms increase in load time of amazon.com decreased sales by 1%.
Kohavi and Longbotham 2007
12. Some interesting facts...
400ms slower page would see 5-9% more people leave before the page finished loading.
Yahoo! Study on Yahoo! homepage
13. Some interesting facts...
A change from loading a 10-result page in 0.4 seconds to a 30-result page loading in 0.9 seconds decreased traffic and ad revenues by 20%.
Linden 2006
14. 20% LESS REVENUE!
(damn, this user are really fussy!)
15. So, YES!
Performance
ISpriority!
And its all about SURVIVAL
16. WHAT NOW?
17. Step #1
MEASURE
18. Step #2
IMPROVE
low hanging fruits first dont reinvent the well
19. Step #3
MONITOR
20. Credits
http://www.flickr.com/photos/cincerosonrisa/3588825350/
http://www.flickr.com/photos/twinleaves/298592419
http://www.flickr.com/photos/vidyo/2414052971
http://www.flickr.com/photos/sinkdd/4813452954/
http://www.flickr.com/photos/tigerpixel/3185410319/
http://www.flickr.com/photos/snackerdesigns/4220559129/
http://www.flickr.com/photos/pamelamachado/336874037/
http://www.flickr.com/photos/drewleavy/3394892584/
Enrico Foschi http://skillpages.com/enrico.foschi - @enricofoschi