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Sitespeed

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Sitespeed.io is an open source tool that helps to analyze and optimize website speed and performance.

Performance And Load Testing
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Market Share of Sitespeed

Current Customer(s)

129

Market Share (Est.)

0.99%

Ranking

#16

Top Competitors and Alternatives of Sitespeed

The top three of Sitespeed’s competitors in the Performance And Load Testing category are Apache JMeter with 55.59%, LambdaTest with 6.60%, The Grinder with 3.94% market share.

TechnologyDomainsMarket Share (Est.)Versus page
Apache JMeter724055.59%Sitespeed vs Apache JMeter
LambdaTest8606.60%Sitespeed vs LambdaTest
The Grinder5133.94%Sitespeed vs The Grinder
Telerik Test Studio4253.26%Sitespeed vs Telerik Test Studio
eggPlant Test Automation Suite4183.21%Sitespeed vs eggPlant Test Automation Suite
Tricentis Neoload3642.79%Sitespeed vs Tricentis Neoload
WebLOAD3442.64%Sitespeed vs WebLOAD
Blitz2521.93%Sitespeed vs Blitz
Torbit2391.84%Sitespeed vs Torbit
SmartBear AlertSite1521.17%Sitespeed vs SmartBear AlertSite
OctoPerf1501.15%Sitespeed vs OctoPerf
Loader1491.14%Sitespeed vs Loader
Load Impact1391.07%Sitespeed vs Load Impact
DareBoost1311.01%Sitespeed vs DareBoost
Artillery1301.00%Sitespeed vs Artillery
P3 (Plugin Performance Profiler)1190.91%Sitespeed vs P3 (Plugin Performance Profiler)
Catchpoint1140.88%Sitespeed vs Catchpoint
mod_pagespeed1140.88%Sitespeed vs mod_pagespeed
Siege920.71%Sitespeed vs Siege
BMC AMI DevX Performance Test920.71%Sitespeed vs BMC AMI DevX Performance Test
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Popular Comparisons

Top Competitors and Alternatives of Sitespeed

The top three of Sitespeed’s competitors in the Performance And Load Testing category are Apache JMeter with 55.59%, LambdaTest with 6.60%, The Grinder with 3.94% market share.

Sitespeed vs Apache JMeter

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Sitespeed vs LambdaTest

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Sitespeed vs The Grinder

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Sitespeed vs Telerik Test Studio

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Sitespeed vs eggPlant Test Automation Suite

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Sitespeed vs Tricentis Neoload

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Sitespeed vs WebLOAD

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Sitespeed vs Blitz

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Customers of Sitespeed

Around the world in 2026, over 126 companies have started using Sitespeed as Performance And Load Testing tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Specsavers10,000+LondonEnglandUnited Kingdom
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Shutterstock10,000+New York CityNew YorkUnited States
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Zalando10,000+BerlinBerlinGermany
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RS10,000+LondonEnglandUnited Kingdom
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Walgreens10,000+DeerfieldIllinoisUnited States
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Club Med10,000+Rio de JaneiroRio de JaneiroBrazil
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Turbify10,000+RockvilleMarylandUnited States
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Kantar10,000+LondonEnglandUnited Kingdom
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Lowe's Companies, Inc.10,000+MooresvilleNorth CarolinaUnited States
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EPAM Systems10,000+NewtownPennsylvaniaUnited States
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Sitespeed Customers by Products and Services

The top three products and services offering customers that use Sitespeed for Performance And Load Testing are Cloud Services (9), Digital Transformation (7), Web Development (6).

Customers

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Sitespeed Customers by Employee Size

The majority of Sitespeed's customers for the performance-and-load-testing category fall in the company size of 10,000+ employees (47 companies), 100 - 249 employees (16 companies), 1,000 - 4,999 employees (15 companies).

Employee Size

Sitespeed Customers by Geography

The top three geographies of Sitespeed for performance-and-load-testing are the United States with 45(43.27%), United Kingdom with 15(14.42%), France with 11(10.58%) customers respectively.

Customers

Employees of Sitespeed

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Also see other Products/Services by Sitespeed in:

Performance And Load Testing

FAQ

Find answers to the most often asked questions by users.

Who are the top Sitespeed competitors?

Sitespeed’s Top competitors in the performance-and-load-testing category are Apache JMeter, LambdaTest, The Grinder. You can view a full list of Sitespeed competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Sitespeed and 40,000 other technologies on the internet. You can also compare Sitespeed and its feature with top competitors here : Sitespeed vs Apache JMeter Sitespeed vs LambdaTest Sitespeed vs The Grinder.

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What is Sitespeed customer distribution based on company size?

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What is Sitespeed market share in the performance-and-load-testing?

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What are the top countries that use Sitespeed?

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What are the top industries that use Sitespeed?

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