Comparison

HTMX vs Svelte

On the evidence we track, Svelte leads this comparison with a composite score of 78/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

HTMX full profile →Svelte full profile →

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HTMX53

★Svelte78

Attribute comparison across 2 tools
Attribute	HTMX	SvelteLeader
Vioscale score	53 / 100medium · 57%	78 / 100medium · 71%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	open_source
Price levelpricing.price_level	free	free
Security
Disclosure policysecurity.disclosure_policy	-	✓
Scorecardsecurity.scorecard	5	7.9
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=htmx.org&per_page=100 · Last 12m: 0	Count: 14 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=svelte&per_page=100 · Last 12m: 12 · Max severity: HIGH
Adoption
Dependent reposadoption.dependent_repos	348	56,439
Github starsadoption.github_stars	49,020	87,991
Package downloads weeklyadoption.package_downloads_weekly	247,753	5,781,541
Stackoverflow questionsadoption.stackoverflow_questions	-	9,000
Activity
Commits last 30dactivity.commits_last_30d	1	87
Release
Cadence daysrelease.cadence_days	35	3
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	0BSD	MIT
Language
Primarylanguage.primary	JavaScript	JavaScript
Market
Availabilitymarket.availability	-	Available worldwide
Content
Faqcontent.faq	-	8 items

Score

Vioscale score

HTMX53 / 100medium · 57%

Svelte78 / 100medium · 71%

Pricing

Free tier

HTMX✓

Svelte✓

Model

HTMXopen_source

Svelteopen_source

Price level

HTMXfree

Sveltefree

Security

Disclosure policy

HTMX–

Svelte✓

Scorecard

HTMX5

Svelte7.9

Vulnerabilities

HTMXCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=htmx.org&per_page=100 · Last 12m: 0

SvelteCount: 14 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=svelte&per_page=100 · Last 12m: 12 · Max severity: HIGH

Adoption

Dependent repos

HTMX348

Svelte56,439

Github stars

HTMX49,020

Svelte87,991

Package downloads weekly

HTMX247,753

Svelte5,781,541

Stackoverflow questions

HTMX–

Svelte9,000

Activity

Commits last 30d

HTMX1

Svelte87

Release

Cadence days

HTMX35

Svelte3

History

HTMX20 items

Svelte20 items

License

Spdx

HTMX0BSD

SvelteMIT

Language

Primary

HTMXJavaScript

SvelteJavaScript

Market

Availability

HTMX–

SvelteAvailable worldwide

Content

Faq

HTMX–

Svelte8 items

Capabilities

Feature-by-feature on the axes that matter for frontend ui frameworks. “-” means undocumented, not absent.

Capability comparison for Frontend UI Frameworks
Capability	HTMX	Svelte
Core
Paradigm	Attribute-driven HTML extension	compiler-based component framework
Reusable component model	-	✓
Rendering
Virtual DOM	✗	✗
Signals / fine-grained reactivity	-	✓
SSR support	-	✓
DX
First-class TypeScript	-	✗
State
Built-in state management	✗	✓
Ecosystem
Official router	-	-
Performance
Runtime size	Small (10–40kb)	Small (10–40kb)

Core

Paradigm

HTMXAttribute-driven HTML extension

Sveltecompiler-based component framework

Reusable component model

HTMX-

Svelte✓

Rendering

Virtual DOM

HTMX✗

Svelte✗

Signals / fine-grained reactivity

HTMX-

Svelte✓

SSR support

HTMX-

Svelte✓

First-class TypeScript

HTMX-

Svelte✗

State

Built-in state management

HTMX✗

Svelte✓

Ecosystem

Official router

HTMX-

Svelte-

Performance

Runtime size

HTMXSmall (10–40kb)

SvelteSmall (10–40kb)

What each one is

The product in its own terms, so the numbers below have context.

HTMX

HTMX extends HTML to support modern interactive features like WebSocket connections and AJAX requests using simple HTML attributes, allowing developers to build responsive interfaces while remaining within the HTML/hypertext paradigm.

Independently observed

Svelte

Leader

A framework with an integrated compiler that lets developers create streamlined components using standard HTML, CSS, and JavaScript, minimizing runtime overhead in the browser.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

HTMX

Open sourceFree tier

as of 2026-08-13verify ↗

Svelte

Leader

Open sourceFree tier

as of 2026-08-14verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	HTMX	Svelte
WebPlatforms	✓	✓

Platforms

Web

HTMX✓

Svelte✓

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.