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WebPageTest has a new login system - please read
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16
|
2355
|
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
|
June 29, 2021
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Hosted Site + Video Issues...
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28
|
5304
|
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
|
April 28, 2021
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No Test history is showing up
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25
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1546
|
November 15, 2021
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Difference in speed index between public and private instance
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10
|
640
|
June 10, 2021
|
|
What do you want to see next?
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104
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1146
|
May 27, 2022
|
|
OSError: [Errno 12] Cannot allocate memory
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9
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2564
|
May 20, 2020
|
|
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
|
816
|
September 28, 2023
|
|
Max Script size
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11
|
831
|
February 20, 2024
|
|
Improve TTFB on WordPress
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|
10
|
1360
|
April 20, 2022
|
|
Is it possible to run ENTIRE site (not just images, etc) via CDN?
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67
|
546
|
October 17, 2013
|
|
Tests not found or going to incorrect results
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|
10
|
1183
|
January 8, 2024
|
|
Accessibility issues
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|
10
|
1047
|
January 30, 2024
|
|
CDN List - Affordable and Effective CDN Websites
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66
|
396
|
April 16, 2012
|
|
Tag Level Metrics...
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9
|
949
|
December 14, 2018
|
|
Possible changes to grading
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|
45
|
416
|
December 28, 2011
|
|
CLS cumulative Layout shift expert needed
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|
9
|
885
|
March 3, 2021
|
|
Web Page Optimization
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|
13
|
676
|
July 11, 2018
|
|
Script Windows Live ID Login?
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|
9
|
799
|
April 21, 2011
|
|
API keys coming soon
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|
23
|
512
|
April 21, 2012
|
|
Private CDN
|
|
10
|
747
|
July 3, 2018
|
|
Start Render Time
|
|
54
|
309
|
July 14, 2010
|
|
Help optimize gtmetrix score
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|
10
|
648
|
January 12, 2021
|
|
Revisiting browser and connectivity defaults
|
|
26
|
395
|
March 19, 2013
|
|
Mobile Performance Testing
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|
20
|
404
|
September 16, 2015
|
|
Need some "did you know..." tips
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|
28
|
343
|
November 26, 2011
|
|
How to improve Time To First Byte?
|
|
14
|
436
|
April 20, 2020
|
|
Slow load after settng up CloudFlare
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|
10
|
506
|
March 14, 2018
|
|
Master List of tools
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|
38
|
262
|
February 8, 2016
|
|
Check your wordpress plugins [security alert]
|
|
27
|
293
|
December 6, 2011
|
|
Database Query Search Time
|
|
50
|
217
|
October 15, 2010
|
|
Wordpress Template : Any suggestion ?
|
|
9
|
489
|
July 17, 2020
|
|
Some locations do not work using the API
|
|
11
|
440
|
April 22, 2019
|
|
Error submitting url for testing
|
|
13
|
406
|
March 24, 2020
|
|
Inline JavaScript Experiment
|
|
28
|
279
|
August 10, 2010
|
|
Is there ANYTHING alse I can optimize?
|
|
22
|
305
|
September 8, 2011
|
|
browser=chrome in wptdriver.ini
|
|
20
|
309
|
March 11, 2014
|
|
Best Image compression software
|
|
15
|
351
|
November 22, 2018
|
|
Welcome
|
|
14
|
358
|
November 22, 2018
|
|
New Metric - DOM Element Count
|
|
23
|
275
|
December 13, 2011
|
|
Cloudflare CDN not detected
|
|
21
|
285
|
July 17, 2019
|
|
If your account gets blocked for spam...
|
|
13
|
351
|
August 16, 2017
|
|
"Sorry, your test has been blocked. Please contact us if you have any questions"
|
|
9
|
415
|
February 20, 2024
|
|
< 0.5s load time (showing off)
|
|
22
|
268
|
July 7, 2010
|
|
Default browser now IE8
|
|
16
|
307
|
November 28, 2011
|
|
How to solve "0 ms (Request Canceled)" problem?
|
|
26
|
243
|
May 17, 2010
|
|
WebPagetest 1.7 Now Available
|
|
21
|
269
|
October 2, 2011
|
|
Header overrides now available in Chrome
|
|
19
|
266
|
August 18, 2014
|