
Google Lighthouse
GTmetrix
PageSpeed Insights
WebPagetest
SEMRush
Ahrefs
axe DevTools
Website Speed Test by Pingdom
Braintrust.dev
Langfuse
Helicone AI
LangSmith
PromptLayer
Future AGI
Galileo AI
LangChain
Google Lighthouse
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Validate the manifest: Use Lighthouse or Chrome DevToolsโ PWA Audit. - Source: dev.to / 6 months ago
Check performance โ Use Lighthouse for mobile performance scores. - Source: dev.to / about 1 year ago
Pro tip: Use tools like Lighthouse and WebPageTest to identify bottlenecks. to identify bottlenecks. - Source: dev.to / about 1 year ago
Audit third-party dependencies regularly and remove anything non-critical. Use Lighthouse to find culprits. - Source: dev.to / about 1 year ago
Dev Tip: Use Lighthouse to audit speed and performance. - Source: dev.to / about 1 year ago
Braintrust focuses on evaluation-driven development: the idea that monitoring LLM applications means continuously scoring outputs against quality criteria, not just tracking latency and error rates. It's an eval platform first, with observability features built on top of the evaluation infrastructure. - Source: dev.to / 2 months ago
You're monitoring production traffic. You need Langfuse / Phoenix / Helicone / Braintrust for that. Online eval is a different problem class: implicit feedback, drift detection, hallucination rates on your data, not on HellaSwag. - Source: dev.to / 3 months ago
Same approach works with Langfuse, Phoenix, Braintrust, or your existing OTel pipeline โ the metadata.userId pattern is the universal part. - Source: dev.to / 3 months ago
GTmetrix - GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
Langfuse - Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.
PageSpeed Insights - PageSpeed is addon for ...
Helicone AI - Open-source LLM Observability for Developers
WebPagetest - Run a free website speed test from multiple locations around the globe using real browsers...
LangSmith - Build and deploy LLM applications with confidence