The document discusses the importance of website performance. It notes that slow websites can negatively impact search engine optimization rankings and user experience. Several studies are cited that show users are less likely to return to or complete tasks on slow websites. Specifically, one study found that 75% of users do not return to a website that takes over 4 seconds to load. The document recommends measuring website performance, improving areas that can be optimized easily, and ongoing monitoring as important steps to prioritize performance.

1. PERFORMANCE FTW Why your website performance is such a priorityEnrico Foschi – Front End Lead @ SkillPagesskillpages.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 websitesSUCK!!

6. Chicks dig fast websites!(and users too)

7. FASTER WEBSITEmeansMORE USERS

8. I WANT DATA!(and you’re right)

9. “75% people do not return to a website that takes more than 4 seconds to load”study from Akamaistudy 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 IS priority!And it’s all about SURVIVAL

16. WHAT NOW?

17. Step #1MEASURE

18. Step #2IMPROVElow hanging fruits first – don’t reinvent the well

19. Step #3MONITOR

20. Creditshttp://www.flickr.com/photos/cincerosonrisa/3588825350/http://www.flickr.com/photos/twinleaves/298592419http://www.flickr.com/photos/vidyo/2414052971http://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