Deno VS MarginWard

• Security
  Deno has a secure-by-default approach, requiring explicit permission for file, network, and environment access, which reduces the risk of malicious code.
• Built-in Tooling
  Deno includes built-in tools like a dependency inspector, a code formatter, and a test runner, reducing the need for additional setup.
• Modern JavaScript/TypeScript
  Deno supports modern JavaScript and has built-in TypeScript support, making it easier to work with contemporary codebases without additional configuration.
• Simplified Module Management
  Deno uses URLs for importing modules, eliminating the need for a package manager like npm and simplifying dependency management.
• Compatibility with Web Standards
  Deno aims to be browser-compatible, adhering closely to web standards like the Fetch API, making it easier to share code between the server and the client.

Possible disadvantages

• Ecosystem Maturity
  Deno's ecosystem is relatively new compared to Node.js, resulting in fewer libraries, tools, and community resources.
• Breaking Changes
  Due to its rapid development, Deno can have breaking changes between versions, potentially requiring more frequent updates and code adjustments.
• Performance
  Deno's performance may not match that of optimized Node.js applications, especially for certain workloads where Node.js has been highly tuned.
• Learning Curve
  Even though Deno is designed to be familiar to JavaScript and TypeScript developers, it introduces new concepts (like secure-by-default) that may require a learning curve.
• Limited Enterprise Adoption
  Being relatively new, Deno has limited enterprise adoption, which might make it less appealing for large-scale or long-term projects that rely on a robust support ecosystem.

• Gross margin per customer
  Joins your LLM cost with Stripe revenue to show the true gross margin of every customer.
• Unprofitable-customer alerts
  Get pinged by email or Slack the moment a customer's token cost crosses the revenue they pay.
• Customers to watch
  Your accounts ranked by worst margin first, each with a cost-vs-revenue gauge.
• Margin by plan
  Gross margin grouped by Stripe plan, so you see which tiers actually make money.
• LLM cost integrations
  Connect Langfuse, OpenRouter, or a simple ingest API to feed in per-customer token cost.
• Read-only Stripe sync
  A restricted, encrypted, revocable read-only Stripe key, no write access to your billing.
• Cost & margin history
  Track how LLM cost and margin per customer move over time (up to unlimited history).
• Weekly margin digest
  A short email summary of your margins and any customer that turned red this week.
• Model price overrides
  Override per-model token prices to match your real negotiated rates.
• CSV export & API
  Export margins to CSV or pull them programmatically via the API.
• Free margin calculator
  A no-signup tool to check any single customer's margin in seconds.

Why nobody is using Deno?

More videos

MarginWard — gross margin per customer for AI SaaS

• 100 Most Useful Open Source Projects

  Deno — https://deno.land Technology: JavaScript/TypeScript runtime. Backed / sponsored by: Deno Company + open source community. How to generate revenue: Paid hosting, enterprise support, managed Deno services, training. Description... - Source: dev.to / about 1 year ago

• Benchmarking in Node.js vs Deno: A Comprehensive Comparison

  Deno.bench("URL parsing", () => { new URL("https://deno.land"); }); Deno.bench("Async method", async () => { await crypto.subtle.digest("SHA-256", new Uint8Array([1, 2, 3])); }); Deno.bench({ name: "Long form", fn: () => { ... - Source: dev.to / almost 2 years ago

• Deno 2.0 REST API Explained: Faster, Secure JavaScript Development

  // Importing the serve function from Deno's standard library Import { serve } from "https://deno.land/std@0.196.0/http/server.ts"; // Function to handle requests Async function handler(req: Request): Promise { const {... - Source: dev.to / about 2 years ago

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Tracking MarginWard since Jun 2026.