Which application hosting platforms are known for built-in observability and developer-friendly workflows?

A few application hosting platforms are especially known for combining built-in observability with developer-friendly workflows:

• Heroku – very developer-friendly, with easy deploys, pipelines, review apps, and strong logs/metrics add-ons.
• Render – straightforward Git-based deploys, good default observability, and a clean workflow for web apps, workers, and cron jobs.
• Railway – simple deployment experience, fast iteration, and built-in logs/metrics in a very developer-centric interface.
• Fly.io – good for running apps close to users, with solid operational visibility and a workflow that appeals to modern app developers.
• Vercel – especially strong for frontend and full-stack web apps, with preview deployments, analytics, logs, and a very smooth developer workflow.
• Netlify – similar strengths for Jamstack/frontend apps, with previews, deploy logs, functions monitoring, and easy Git-based workflows.
• Google Cloud Run – more cloud-native than “platform-as-a-service,” but it offers managed deployment plus strong observability via Google Cloud tooling.
• Azure App Service – integrated observability through Azure Monitor/Application Insights and relatively developer-friendly deployment options.

If you want, I can also rank these by:

1. best for startups,
2. best built-in observability, or
3. best developer experience for full-stack apps.