Gander - Drupal Performance Monitoring Solution
Drupal Performance. For All.
Gander is Tag1's open-source, Drupal-specific performance testing framework, now included in Drupal core. It helps teams catch bottlenecks, database slowdowns, and caching issues early, before users ever notice.
From Insights to Actions
How Gander Works
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Performance Insights.
See how Drupal code, queries, and caching affect page speed instantly.
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Analyze with Precision.
Measure queries, caching, page weight, and front-end assets for bottlenecks.
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Optimize & Monitor.
Fix issues, rerun tests, and track trends for faster, stable Drupal sites.
Government & Public Sector
Powering a Faster, Reliable london.gov.uk
With just a quarter of recommended fixes, Tag1 helped the Greater London Authority cut page response times by 70%, reduce database queries by 87%, and shrink front-end payloads by 25%, delivering a faster, more reliable london.gov.uk for millions of residents. Residents experience a faster, smoother site, while the team prevents future performance regressions.
Google + Tag1 Collaboration
Advancing Drupal Performance
Born from collaboration between the Google Chrome team and Tag1, Gander brings automated performance testing directly into Drupal core, making it easier than ever to catch and prevent slowdowns before they reach users. This open source framework empowers teams to build faster, more reliable sites and elevate Drupal’s performance across the web.
Insights | Performance Testing
Learn from the team behind Gander
Practical advice, expert guidance, and real-world lessons on Drupal performance and scalability:
- Automating Drupal performance testing
- Sustainability impact of testing
- Future of Drupal performance and scalability
The Tag1 Team
Meet Our Drupal Performance Experts
Behind every fast, reliable Drupal site is careful measurement and expert guidance. Our team uses Gander to uncover bottlenecks, identify database or caching issues, and turn insights into actionable improvements before users are impacted.
Meet the TeamOur Partners
Trusted Across the Drupal Ecosystem
Let's talk Gander
Take control of Drupal performance
Gander is Tag1's open-source performance testing tool, built right into Drupal core. It spots slow pages, database issues, and caching problems early—so your site runs smoothly before anyone notices.