AOL PageTest Eric Goldsmith

Eric Goldsmith

A Brief History Developed for internal testing at AOL Created and maintained by Pat Meenan Released as Open Source in Jan ’08 pagetest.wiki.sourceforge.net Nearly 8 K downloads Hosted version released in May ’08 www.webpagetest.org More than 62 K tests, run against nearly 25 K URLs

Developed for internal testing at AOL

Created and maintained by Pat Meenan

Released as Open Source in Jan ’08

pagetest.wiki.sourceforge.net

Nearly 8 K downloads

Hosted version released in May ’08

www.webpagetest.org

More than 62 K tests, run against nearly 25 K URLs

What does it do? Measures Web page load time in IE (v6, 7 or 8) Provides object-level timing details and visualization Suggests techniques for improving load times Extra features with hosted version: Choice of connection speed and location Multiple runs and First and Repeat View testing Object blocking, to exclude content Test History to track and share results and more…

Measures Web page load time in IE (v6, 7 or 8)

Provides object-level timing details and visualization

Suggests techniques for improving load times

Extra features with hosted version:

Choice of connection speed and location

Multiple runs and First and Repeat View testing

Object blocking, to exclude content

Test History to track and share results

and more…

Lessons Learned Don’t try to do a demo on a live site in a room full of performance geeks with laptops and Wi-Fi This year will be all slides 

Don’t try to do a demo on a live site in a room full of performance geeks with laptops and Wi-Fi

This year will be all slides 

Getting Started http://www.webpagetest.org/ Tabbed interface

http://www.webpagetest.org/

Tabbed interface

New Test Enter URL Select location and browser type

Enter URL

Select location and browser type

New Test cont’d Select number of runs Summary stats will identify the run most representative of the average First View & Repeat View FV = Cleared cache/cookies

Select number of runs

Summary stats will identify the run most representative of the average

First View & Repeat View

FV = Cleared cache/cookies

New Test cont’d Stop at DocComplete vs. 2 sec of (network) inactivity Set number of connections per domain Defaults: IE 7 = 2, IE 8 = 6 Indentify load time of a specific DOM Element

Stop at DocComplete vs. 2 sec of (network) inactivity

Set number of connections per domain

Defaults: IE 7 = 2, IE 8 = 6

Indentify load time of a specific DOM Element

New Test cont’d Enter credentials for authentication HTTP BasicAuth

Enter credentials for authentication

HTTP BasicAuth

New Test cont’d Scripting Details here: pagetest.wiki.sourceforge.net/Hosted+Scripting

Scripting

Details here: pagetest.wiki.sourceforge.net/Hosted+Scripting

New Test cont’d Block objects from being loaded Space-separated (case sensitive) list of patterns to match Helpful with identifying performance impacts For example, ads vs. no ads

Block objects from being loaded

Space-separated (case sensitive) list of patterns to match

Helpful with identifying performance impacts

For example, ads vs. no ads

New Test cont’d Tests are queued and executed in the order submitted Current queue length shown on New Test page Screen will refresh every 30s as test is running Unique results URL assigned when test submitted Can be used to share results with others

Tests are queued and executed in the order submitted

Current queue length shown on New Test page

Screen will refresh every 30s as test is running

Unique results URL assigned when test submitted

Can be used to share results with others

Test Results Results Summary Click on tabs or thumbnails for more details Raw page and object data available in CSV format

Results Summary

Click on tabs or thumbnails for more details

Raw page and object data available in CSV format

Test Results cont’d Detailed Results Waterfall diagram Header details

Detailed Results

Waterfall diagram

Header details

Test Results cont’d Detailed Results cont’d Request Details in tabular form Connection View Shows number of connections to each domain, and which objects were loaded over each (hover for URL, click for details )

Detailed Results cont’d

Request Details in tabular form

Connection View

Shows number of connections to each domain, and which objects were loaded over each (hover for URL, click for details )

Test Results cont’d Performance Review Rating of each object against our Best Practices BPs detailed at bottom of page

Performance Review

Rating of each object against our Best Practices

BPs detailed at bottom of page

Test Results cont’d Optimization Report Page statistics ‘Punch List’ of objects that are not being served optimally      

Optimization Report

Page statistics

‘Punch List’ of objects that are not being served optimally

Test Results cont’d Content Breakdown Object MIME type stats by: Number of Requests Bytes And Connections by object MIME type

Content Breakdown

Object MIME type stats by:

Number of Requests

Bytes

And Connections by object MIME type

Test Results cont’d Domain Breakdown Object Domain type stats by: Number of Requests Bytes

Domain Breakdown

Object Domain type stats by:

Number of Requests

Bytes

Test History Test results stored indefinitely Track changes over time Quickly find the history for a single URL using the Search box

Test results stored indefinitely

Track changes over time

Quickly find the history for a single URL using the Search box

Discussion Forums Report bugs, suggest features, share findings…

Report bugs, suggest features, share findings…

Additional Locations Interested in hosting a public test location? Ideally West Coast, Western Europe, or Asia Requires dedicated Windows server Optional 2 nd dedicated server for bandwidth simulator Contact me if interested (eric@ericgoldsmith.com) Your location here!

Interested in hosting a public test location?

Ideally West Coast, Western Europe, or Asia

Requires dedicated Windows server

Optional 2 nd dedicated server for bandwidth simulator

Contact me if interested (eric@ericgoldsmith.com)

Private Hosting Set up your own private instance of WebPagetest Useful for testing non-public (i.e. intranet) sites Performance feedback during internal Dev & Q&A More info here: www.webpagetest.org/forums/thread-19.html

Set up your own private instance of WebPagetest

Useful for testing non-public (i.e. intranet) sites

Performance feedback during internal Dev & Q&A

More info here: www.webpagetest.org/forums/thread-19.html

Thank you

Thank you