WebPageTest has a new login system - please read
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16
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2355
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May 4, 2021
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LCP varies wildly across runs with no code difference
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19
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1876
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June 29, 2021
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Hosted Site + Video Issues...
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28
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5304
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March 31, 2011
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Rapid LCP increase without any application end change
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11
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1071
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April 28, 2021
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No Test history is showing up
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25
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1546
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November 15, 2021
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Difference in speed index between public and private instance
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10
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640
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June 10, 2021
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What do you want to see next?
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104
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1146
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May 27, 2022
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OSError: [Errno 12] Cannot allocate memory
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9
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2564
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May 20, 2020
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IP address of test location
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12
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1212
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September 6, 2016
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WPT submissions result in TEST NOT FOUND
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12
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816
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September 28, 2023
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Max Script size
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11
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831
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February 20, 2024
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Improve TTFB on WordPress
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10
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1360
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April 20, 2022
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Is it possible to run ENTIRE site (not just images, etc) via CDN?
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67
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546
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October 17, 2013
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Tests not found or going to incorrect results
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10
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1183
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January 8, 2024
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Accessibility issues
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10
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1047
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January 30, 2024
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CDN List - Affordable and Effective CDN Websites
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66
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396
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April 16, 2012
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Tag Level Metrics...
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9
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949
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December 14, 2018
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Possible changes to grading
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45
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416
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December 28, 2011
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CLS cumulative Layout shift expert needed
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9
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885
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March 3, 2021
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Web Page Optimization
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13
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676
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July 11, 2018
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Script Windows Live ID Login?
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9
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799
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April 21, 2011
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API keys coming soon
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23
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512
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April 21, 2012
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Private CDN
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10
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747
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July 3, 2018
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Start Render Time
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54
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309
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July 14, 2010
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Help optimize gtmetrix score
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10
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648
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January 12, 2021
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Revisiting browser and connectivity defaults
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26
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395
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March 19, 2013
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Mobile Performance Testing
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20
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404
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September 16, 2015
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Need some "did you know..." tips
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28
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343
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November 26, 2011
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How to improve Time To First Byte?
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14
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436
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April 20, 2020
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Slow load after settng up CloudFlare
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10
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506
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March 14, 2018
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Master List of tools
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38
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262
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February 8, 2016
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Check your wordpress plugins [security alert]
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27
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293
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December 6, 2011
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Database Query Search Time
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50
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217
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October 15, 2010
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Wordpress Template : Any suggestion ?
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9
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489
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July 17, 2020
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Some locations do not work using the API
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11
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440
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April 22, 2019
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Error submitting url for testing
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13
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406
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March 24, 2020
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Inline JavaScript Experiment
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28
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279
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August 10, 2010
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Is there ANYTHING alse I can optimize?
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22
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305
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September 8, 2011
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browser=chrome in wptdriver.ini
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20
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309
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March 11, 2014
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Best Image compression software
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15
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351
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November 22, 2018
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Welcome
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14
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358
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November 22, 2018
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New Metric - DOM Element Count
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23
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275
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December 13, 2011
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Cloudflare CDN not detected
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21
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285
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July 17, 2019
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If your account gets blocked for spam...
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13
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351
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August 16, 2017
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"Sorry, your test has been blocked. Please contact us if you have any questions"
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9
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415
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February 20, 2024
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< 0.5s load time (showing off)
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22
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268
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July 7, 2010
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Default browser now IE8
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16
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307
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November 28, 2011
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How to solve "0 ms (Request Canceled)" problem?
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26
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243
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May 17, 2010
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WebPagetest 1.7 Now Available
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21
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269
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October 2, 2011
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Header overrides now available in Chrome
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19
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266
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August 18, 2014
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