How do I install the Svg Inline skill?

Run npx skillmds@latest add thedaviddias/svg-inline in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Svg Inline safe to use?

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Which AI agents work with Svg Inline?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Svg Inline free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Svg Inline?

thedaviddias (@thedaviddias) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Svg Inline by thedaviddias — Agent Skill

Name: Svg Inline
Author: thedaviddias

Svg Inline

Use when reviewing image assets, markup, and CDN or build transforms related to Manage inline SVG size and complexity. Check encoded size, rendered size, loading strategy, and above-the-fold impact together.

thedaviddias bec4769 2 files · 8.4 KB Updated Sep 17, 2026

File contents

Manage inline SVG size and complexity

A complex illustration exported from Figma can easily be 50-200KB of SVG markup. Inlined in HTML, it blocks the HTML parser until it is processed, cannot be cached independently, and balloons every page response. Extracting it to an external file allows browser caching and deferred loading. For icon systems, SVG sprites or component libraries avoid duplicating path data across every page.

Quick Reference

Only inline SVG when you need CSS hover/animation on individual paths—static SVGs belong in <img> tags
Keep inline SVGs under 1KB (ideally under 500 bytes) after SVGO optimisation
Reused icons should be SVG sprites or framework components—not copied inline multiple times
Run all SVGs through SVGO before inlining to strip editor artefacts

Check

Scan HTML files and React/Vue components for inline elements. For each inline SVG: 1) Measure its character count—flag any over 1KB (approximately 1000 characters). 2) Check if it is reused in multiple places (should be a component or sprite). 3) Check if SVGO has been run (look for redundant attributes, inline styles that could be CSS classes, or editor comments). 4) Check if the SVG needs to be inline for CSS styling/animation, or if would suffice. Report each large inline SVG with its size and location.

Fix

For each problematic inline SVG: 1) Large, non-interactive SVG (e.g., illustration): extract to .svg file and reference with . 2) Reused icon: create an SVG sprite or React component. 3) SVG needing CSS interactivity (hover, animation): keep inline but run through SVGO first—remove editor artefacts, merge paths, remove redundant attributes. 4) For React projects, use SVGR to import SVGs as components—they tree-shake unused SVGs. 5) Show before/after size comparison.

Explain

Explain the trade-offs of inline SVG. Inline SVG allows CSS styling (fill, stroke) and JavaScript animation on individual paths, which external SVG files or elements cannot support. However, large inline SVGs bloat the HTML, delay HTML parser completion, cannot be cached separately from the page, and duplicate markup when used in multiple places. The guidance is: use inline SVG only when you need CSS/JS interactivity; use or CSS background for static SVGs; use SVG sprites or React components for reused icons.

Code Review

Review image assets, markup, and delivery configuration related to Manage inline SVG size and complexity. Flag exact files or components where format choice, sizing, or loading behavior violates the rule, and describe how to confirm the fix in DevTools.

For full implementation details, code examples, and framework-specific guidance, see references/rule.md.

Rule page: https://frontendchecklist.io/en/rules/images/svg-inline

---name: svg-inlinedescription: Use when reviewing image assets, markup, and CDN or build transforms related to Manage inline SVG size and complexity. Check encoded size, rendered size, loading strategy, and above-the-fold impact together.---# Manage inline SVG size and complexityA complex illustration exported from Figma can easily be 50-200KB of SVG markup. Inlined in HTML, it blocks the HTML parser until it is processed, cannot be cached independently, and balloons every page response. Extracting it to an external file allows browser caching and deferred loading. For icon systems, SVG sprites or component libraries avoid duplicating path data across every page.## Quick Reference- Only inline SVG when you need CSS hover/animation on individual paths—static SVGs belong in `<img>` tags- Keep inline SVGs under 1KB (ideally under 500 bytes) after SVGO optimisation- Reused icons should be SVG sprites or framework components—not copied inline multiple times- Run all SVGs through SVGO before inlining to strip editor artefacts## CheckScan HTML files and React/Vue components for inline <svg> elements. For each inline SVG: 1) Measure its character count—flag any over 1KB (approximately 1000 characters). 2) Check if it is reused in multiple places (should be a component or sprite). 3) Check if SVGO has been run (look for redundant attributes, inline styles that could be CSS classes, or editor comments). 4) Check if the SVG needs to be inline for CSS styling/animation, or if <img src="file.svg"> would suffice. Report each large inline SVG with its size and location.## FixFor each problematic inline SVG: 1) Large, non-interactive SVG (e.g., illustration): extract to .svg file and reference with <img src="illustration.svg" alt="...">. 2) Reused icon: create an SVG sprite or React component. 3) SVG needing CSS interactivity (hover, animation): keep inline but run through SVGO first—remove editor artefacts, merge paths, remove redundant attributes. 4) For React projects, use SVGR to import SVGs as components—they tree-shake unused SVGs. 5) Show before/after size comparison.## ExplainExplain the trade-offs of inline SVG. Inline SVG allows CSS styling (fill, stroke) and JavaScript animation on individual paths, which external SVG files or <img> elements cannot support. However, large inline SVGs bloat the HTML, delay HTML parser completion, cannot be cached separately from the page, and duplicate markup when used in multiple places. The guidance is: use inline SVG only when you need CSS/JS interactivity; use <img src="file.svg"> or CSS background for static SVGs; use SVG sprites or React components for reused icons.## Code ReviewReview image assets, markup, and delivery configuration related to Manage inline SVG size and complexity. Flag exact files or components where format choice, sizing, or loading behavior violates the rule, and describe how to confirm the fix in DevTools.---For full implementation details, code examples, and framework-specific guidance,see `references/rule.md`.Rule page: https://frontendchecklist.io/en/rules/images/svg-inline

Frequently asked questions