From Domain to Deploy
Free Website Speed Test
Check your site’s speed, SEO, accessibility, and best-practice scores before launching.
Enter a public website URL and get a beginner-friendly performance report with practical fixes.
Run a speed audit
Test the mobile or desktop experience your visitors may see before you launch.
Audit results
Launch-readiness dashboard
1. Overview cards
2. Lab metrics
These timings are measured in a controlled performance test and help explain what visitors may feel.
3. Top fixes
Start here for the highest-impact improvements.
4. Passed checks
These checks already look healthy.
5. AI repair prompt
Use this ready-made prompt to ask for help turning this report into code fixes.
How to use this with ChatGPT
- Copy the prompt below.
- Open ChatGPT and paste the prompt.
- When asked, paste the relevant page code, template files, CSS, JavaScript, or CMS theme files.
- Ask for step-by-step fixes if you are not comfortable editing everything at once.
How to use this with Codex
- Open Codex and select the GitHub repository connected to the website code.
- Paste the prompt below into the task box.
- Let Codex inspect the repository before making changes.
- Review the proposed edits, run tests, and deploy only after confirming the site still works.
6. Technical details
Want help fixing these issues?
From Domain to Deploy can help turn your report into a practical launch plan.
Get Website Help