The document discusses web performance and search engine optimization. It shows that removing inline event handlers from pages improved page load time (PLT) by 20%. It also discusses malicious browser helper objects (BHOs) that can insert ads and third-party JavaScript without SSL protection. Finally, it advocates for a philosophical shift in the industry to prioritize standardized task completion metrics over page load time alone to better measure the user experience.

1. Kiran Badam, Bing
Email: kiran.badam@microsoft.com

4. Type The
Query
25%
Navigate To
The Result
Hit Enter /
Click Search
Button
26%
2%
Select A
Result
Search
Results Page
Load
40%
5%

5. Type The
Query
25%
Navigate To
The Result
Hit Enter /
Click Search
Button
26%
2%
Select A
Result
Search
Results Page
Load
40%
5%

8. Type The
Query
25%
Navigate To
The Result
Hit Enter /
Click Search
Button
26%
2%
Select A
Result
Search
Results Page
Load
40%
5%

10. Type The
Query
25%
Navigate To
The Result
Hit Enter /
Click Search
Button
26%
2%
Select A
Result
Search
Results Page
Load
40%
5%

11. CSS, Images & JavaScript
Inline Event Handlers
Malware BHO

12. Inline vs. Reference
Inline Images
Post load JavaScript

13. Removing inline event handlers improved PLT by
20%

15. • Inserts ads
• Inserts 3rd party JS
• SSL does not help
Evil BHO

16. Type The
Query
25%
Navigate To
The Result
Hit Enter /
Click Search
Button
26%
2%
Select A
Result
Search
Results Page
Load
40%
5%

19. Type The
Query
25%
Navigate To
The Result
Hit Enter /
Click Search
Button
26%
2%
Select A
Result
Search
Results Page
Load
40%
5%

21. Philosophical Shift to approaching web performance
Shift in Focus to User from Page Load Time
Continue to invest in features that improve task velocity
Continue to focus on security, privacy and usability
Industry Call To Action: Standardized Task Completion Metrics