SkillsAdd

dragoon0x/everything-design-taste

loading-performance-design

Perceived performance design, skeleton screens, optimistic updates, and speed perception.

First seen Jul 18, 2026

Installation

$ npx skills add dragoon0x/everything-design-taste --skill loading-performance-design
View on skills.sh ↗ GitHub repository ↗

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Also in this package

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npx skills add dragoon0x/everything-design-taste
ecommerce-design 6 kiosk-design 5 desktop-app-design 3 brand-photography-guide 3 animation-choreography 3 user-retention-patterns 3 watch-wearable-design 3 travel-hospitality-design 3 travel-booking 3 stepper-input 3

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Repository health

Stars 11
License LICENSE
Default branch main
Open issues 0
Status Active

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 1,372 B
  • docs SUMMARY.md 123 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 2 installs

SKILL.md

Loading Performance Design

Perceived vs Actual Performance

Users don't measure milliseconds. They measure whether the app feels fast.

Techniques

  1. Optimistic updates: Show the result immediately, sync in background.

- Like button: heart fills instantly, API call happens after. - Delete: item disappears instantly, undo available for 5s.

  1. Progressive loading: Show content as it arrives.

- Text before images. - Above-fold before below-fold. - Skeleton → content replacement.

  1. Pre-loading: Anticipate next action.

- Prefetch next page on link hover. - Preload resources for likely next steps.

  1. Instant feedback: Acknowledge every interaction.

- Button state change on click (don't wait for server). - Input validation on blur (don't wait for submit).

Timing Thresholds

Duration Perception Action
< 100ms Instant No feedback needed
100-300ms Slight delay Show state change
300ms-1s Noticeable Show loading indicator
1-5s Slow Show progress + message
> 5s Broken Show progress + cancel option