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Prompts

Core Web Vitals budget

Keep pages fast by measuring HTML, scripts, images, fonts, and interaction cost together.

Use this template

What it does

Use this workflow when a page passes a synthetic test but still feels heavy. It prioritizes the bytes and work a visitor actually pays for.

Inspect the mobile tool page using the same device and network settings before and after.
Measured bottlenecks and scoped fixes, with unavailable measurements marked clearly.

What you need

Provide page URL and a repeatable performance trace or report.

Try it on a real task

Inspect the mobile tool page using the same device and network settings before and after.

Preview and customize

Edit the bracketed fields for your task, then copy or download your version. Edits here stay in this page and are cleared on reload.

Review notes

Requires supplied evidence or suitable tools; it cannot retrieve private analytics by itself.
No model performance benchmark has been recorded. Review output before acting on it.

Use this template

Download core-web-vitals-budget.md

Editable Markdown. Stored with this website; no account required.

Compatibility & setup

Codex & ChatGPT

Use as text

Copy or upload the Markdown as instructions. Tools and attachments must be available in your session; this does not install a plugin.

Open a conversation and attach the material the prompt needs.
Replace bracketed fields with your actual task and constraints.
Paste the prompt, then check the evidence in the response.

Read the supporting documentation

Claude & Claude Code

Use as text

Copy or upload the Markdown as instructions. Tools and attachments must be available in your session; this does not install a plugin.

Open a conversation and attach the material the prompt needs.
Replace bracketed fields with your actual task and constraints.
Paste the prompt, then check the evidence in the response.

Read the supporting documentation

Gemini & Gemini CLI

Use as text

Copy or upload the Markdown as instructions. Tools and attachments must be available in your session; this does not install a plugin.

Open a conversation and attach the material the prompt needs.
Replace bracketed fields with your actual task and constraints.
Paste the prompt, then check the evidence in the response.

Read the supporting documentation

Kimi & Kimi Code CLI

Use as text

Copy or upload the Markdown as instructions. Tools and attachments must be available in your session; this does not install a plugin.

Open a conversation and attach the material the prompt needs.
Replace bracketed fields with your actual task and constraints.
Paste the prompt, then check the evidence in the response.

Read the supporting documentation

Grok & Grok Build

Use as text

Copy or upload the Markdown as instructions. Tools and attachments must be available in your session; this does not install a plugin.

Open a conversation and attach the material the prompt needs.
Replace bracketed fields with your actual task and constraints.
Paste the prompt, then check the evidence in the response.

Read the supporting documentation

Publisher: Veomark
Listing reviewed: 2026-09-18
Version: 1.0
License: Veomark template — reuse and adapt
Runtime evaluation: No independent model benchmark recorded.