fiddleschool.co

Fiddle School — Learn Fiddle Online with Katie Glassman

Step-by-step online fiddle lessons for beginners to advanced players, with expert guidance from Katie Glassman and a supportive community.

Built with

Frontend framework

Next.js

Also detected

Infrastructure

Vercel

Overview

Status

alive

Registered

unknown (this domain's registry doesn't publish it via RDAP)

First seen here

2026-09-22

Security grade

B (80/100, from headers & TLS)

Privacy score

92/100 (1 third-party script hosts, 0 tracking/marketing services)

Hosting

Amazon.com, Inc. · AS16509 · United States

Server header

Vercel

Response time

52 ms to first byte, measured from our crawler

TLS certificate

Let's Encrypt · TLSv1.3 · expires 2026-12-07

Language

en

Mobile-ready

yes (viewport meta tag)

Linked to from

1 other sites seen so far

Loads scripts from

Third-party domains this page pulls JavaScript or iframes from. Each one can see who visits.

What to fix

1. Add X-Content-Type-Options
   Header: X-Content-Type-Options: nosniff
2. Add a Referrer-Policy
   Header: Referrer-Policy: strict-origin-when-cross-origin
3. Publish an SPF record
   A DNS TXT record listing who may send email for this domain, which prevents spoofing.
4. Publish a DMARC record
   A TXT record at _dmarc.<domain>; start with v=DMARC1; p=none; to monitor.

Security & email signals

• ✓ HTTPS
• ✓ HSTS
• ✓ Content-Security-Policy
• ✗ X-Content-Type-Options
• ✓ X-Frame-Options
• ✗ Referrer-Policy
• ✗ Permissions-Policy
• ✗ SPF record
• ✗ DMARC record
• ✗ DKIM record
• ✓ Cookies set securely
• ✓ Has real content (not an empty shell)
• ✓ Valid TLS certificate

Badge

Show this site's security grade in a README or footer:

<a href="https://webtelemetry.dev/site/fiddleschool.co"><img src="https://webtelemetry.dev/badge/fiddleschool.co.svg" alt="Security grade"></a>

Generated automatically from passive, publicly observable data. Think something here is wrong or want this profile removed? See /bot. Machine-readable: JSON.