Developer Tools · head to head
ESLint vs HTMX
HTMX
Web Development
Lightweight JavaScript library enabling AJAX, WebSockets, and server-sent events in HTML
- From
- Free
- Free plan
- Yes
The short version
- Each has a real cost: ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome; HTMX best suited for server-rendered architectures, not pure client-side SPAs
- Prices and features above were last checked on 29 August 2026.
Where they differ
Only the attributes on which ESLint and HTMX actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in ESLint
Nothing recorded that HTMX does not also cover.
Only in HTMX
- AJAX requests
- HTTP verb support
- DOM targeting
- Swap strategies
- WebSocket support
- Server-sent events
- Out-of-band updates
What people use each for
The jobs each tool is most often brought in to do.
ESLint
- Statically analysing JavaScript and JSX to find problems before runtimenot HTMX
- Automatically fixing issues with syntax-aware rewritesnot HTMX
- Enforcing a consistent code style across a teamnot HTMX
- Running as a CI step to block non-conforming codenot HTMX
- Writing custom rules for project-specific conventionsnot HTMX
HTMX
- Building interactive applications without JavaScript framework complexitynot ESLint
- Server-rendered applications requiring dynamic updatesnot ESLint
- Adding interactivity to existing server-side applicationsnot ESLint
- Hypermedia-driven applications using HTML-first approachesnot ESLint
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
ESLint
- Slow performance on large codebases compared to newer tools like Oxlint and Biome
- Complexity in configuration from scratch, particularly for TypeScript support
- Limited built-in TypeScript support, requiring separate parsers and coordination with new TypeScript features
HTMX
- Best suited for server-rendered architectures, not pure client-side SPAs
- Limited client-side state management capabilities compared to frameworks
- Smaller ecosystem with fewer third-party libraries and tools
- Learning curve for developers from JavaScript framework backgrounds
Pricing, plan by plan
ESLint
FreeNo published plan breakdown. See the ESLint review.
HTMX
FreeNo published plan breakdown. See the HTMX review.
Which should you pick?
Choose ESLint if
- You want to start without paying.
- You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
Choose HTMX if
- You need ajax requests.
- You want to start without paying.
- You also want http verb support.
Questions people ask
- Is ESLint or HTMX better?
- Neither clearly leads. ESLint starts at Free and HTMX at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ESLint or HTMX?
- ESLint starts at Free and HTMX at Free.
- Does ESLint or HTMX run on more platforms?
- ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment. HTMX runs on Web.
- Can I use ESLint for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is ESLint best used for?
- ESLint is most often used for statically analysing javascript and jsx to find problems before runtime, automatically fixing issues with syntax-aware rewrites, enforcing a consistent code style across a team, running as a ci step to block non-conforming code. Of those, statically analysing javascript and jsx to find problems before runtime and automatically fixing issues with syntax-aware rewrites are not what HTMX is typically brought in for.
- What can ESLint do that HTMX cannot?
- HTMX covers AJAX requests, HTTP verb support, DOM targeting, Swap strategies.
Answered from the vendors’ own pages
ESLint: Does ESLint automatically fix code issues?
Many problems ESLint finds can be automatically fixed via the --fix flag. ESLint fixes are syntax-aware so you won't experience errors introduced by traditional find-and-replace algorithms.
SourceHTMX: How big is the HTMX JavaScript library?
HTMX is only 16 kilobytes minified and gzipped with zero external dependencies.
SourceESLint: How much does ESLint cost?
ESLint is completely free and open-source software maintained by the OpenJS Foundation. The project accepts voluntary donations from sponsors.
SourceHTMX: Can HTMX work with JSON APIs?
While HTMX is optimized for HTML responses, it can work with JSON through additional configuration and response handling.
SourceESLint: Can I write custom ESLint rules?
Yes. You can develop custom rules that work alongside built-in functionality through ESLint's plugin system, allowing complete customization for your project needs.
SourceHTMX: Does HTMX support real-time features like WebSockets?
Yes, HTMX includes support for WebSockets and server-sent events for real-time bidirectional communication.
SourceRelated pages
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