The Google Testing Blog offers insights and articles on software testing practices, code health, functional programming, and development tools.

Speedtest by Ookla is the best tool for broadband speed testing and is used by millions of users worldwide to measure their internet performance.

Postman is an API development platform for API testing and collaboration.

Swagger is the best API development tool for API documentation and is used by teams and enterprises to streamline their API workflows.

UL Solutions is a global safety science company providing certification, testing, and verification services.

Expert testing, reviews and advice for consumer products and services

Crazy Egg is a website optimization tool for conversion rate optimization and is used by businesses.

HackerOne is an offensive security platform that blends AI and expert security researchers for crowdsourced security, bug bounty, pentesting, and AI red teaming.

Unbounce is a landing page platform for marketers and agencies to create, test, and optimize landing pages.

SGS is a global company that provides testing, certification, inspection, and compliance services.

Invesp is a CRO agency for conversion optimization and growth marketing.

Humane World for Animals is a global nonprofit organization dedicated to ending animal cruelty, promoting compassionate living, and providing animal welfare resources worldwide.

VWO is the best digital experience optimization tool for conversion rate optimization and is used by fast-growing companies.

Thermo Fisher Scientific is the best biotechnology service for molecular testing and is used by laboratories and researchers worldwide.

MQL5 is a platform for automated forex trading, strategy testing, and custom indicators.

ETS is a global education and talent solutions organization enabling lifelong learners to be future ready.

Litmus is an email marketing platform for creating and optimizing emails.

Instapage is a leading landing page builder for conversion optimization, personalization, and maximizing ad ROI through fast, high-performing, and scalable page creation.

Eniro is a consulting company specializing in administrative development with a focus on the banking and insurance industries, offering services in project management, investigation, and testing.

Jenkins is the leading open source automation server for reliably building, testing, and deploying software at any scale.

SANS Institute provides expert-led cybersecurity training, GIAC certifications, and community resources for cybersecurity professionals globally.

Kantar is a global data, insights, and consulting company specializing in brand strategy, creative testing, media effectiveness, and consumer behavior.

TÜV Rheinland is a global provider of technical, safety and certification services

PETA is a global animal rights organization dedicated to exposing and fighting animal suffering in areas like experimentation, food production, clothing, and entertainment.