Web Development · head to head
Rollup vs HTMX
HTMX
Web Development
Lightweight JavaScript library enabling AJAX, WebSockets, and server-sent events in HTML
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Rollup slower than the Go and Rust bundlers that followed it, since it is written in JavaScript; HTMX best suited for server-rendered architectures, not pure client-side SPAs
- They diverge on capability: Rollup covers Tree shaking, HTMX covers AJAX requests.
Where they differ
Only the attributes on which Rollup and HTMX actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Web Development).
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 Rollup
- Tree shaking
- Clean output
- Multiple output formats
- Plugin API
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.
Rollup
- Publishing a JavaScript library in several module formatsnot HTMX
- Builds where output size and cleanliness matter more than build speednot HTMX
- Producing ES module output for consumers who will bundle it themselvesnot HTMX
HTMX
- Building interactive applications without JavaScript framework complexitynot Rollup
- Server-rendered applications requiring dynamic updatesnot Rollup
- Adding interactivity to existing server-side applicationsnot Rollup
- Hypermedia-driven applications using HTML-first approachesnot Rollup
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Rollup
- Slower than the Go and Rust bundlers that followed it, since it is written in JavaScript
- Application concerns like dev servers and hot reloading are not its job, so app builds need Vite on top
- Configuration for non-trivial applications gets verbose compared with tools that assume more
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
Rollup
Free- RollupFree
- Full functionality
- Commercial use permitted
- Community support
HTMX
FreeNo published plan breakdown. See the HTMX review.
Which should you pick?
Choose Rollup if
- You need tree shaking.
- You want to start without paying.
- You work on Linux, macOS, Windows.
- You also want clean output.
Choose HTMX if
- You need ajax requests.
- You want to start without paying.
- You also want http verb support.
Questions people ask
- Is Rollup or HTMX better?
- Neither clearly leads. Rollup 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, Rollup or HTMX?
- Rollup starts at Free and HTMX at Free.
- Does Rollup or HTMX run on more platforms?
- Rollup runs on Linux, macOS, Windows. HTMX runs on Web.
- Can I use Rollup for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Rollup best used for?
- Rollup is most often used for publishing a javascript library in several module formats, builds where output size and cleanliness matter more than build speed, producing es module output for consumers who will bundle it themselves. Of those, publishing a javascript library in several module formats and builds where output size and cleanliness matter more than build speed are not what HTMX is typically brought in for.
- What can Rollup do that HTMX cannot?
- Rollup covers Tree shaking, Clean output, Multiple output formats, Plugin API. HTMX covers AJAX requests, HTTP verb support, DOM targeting, Swap strategies.
Answered from the vendors’ own pages
Rollup: Is Rollup free?
Yes, open source under the MIT licence.
HTMX: How big is the HTMX JavaScript library?
HTMX is only 16 kilobytes minified and gzipped with zero external dependencies.
SourceRollup: Rollup or webpack?
Rollup is the usual choice for libraries thanks to cleaner output and better tree shaking. webpack remains stronger for complex applications with heavy asset handling.
HTMX: Can HTMX work with JSON APIs?
While HTMX is optimized for HTML responses, it can work with JSON through additional configuration and response handling.
SourceRollup: Do I need Rollup if I use Vite?
Not directly. Vite uses Rollup for production builds, so you already benefit from it.
HTMX: 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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