ledcalculator.net

.net crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 154 ms crawled 2026-06-01

US · 151.101.1.195 · AS54113 Fastly, Inc.

Reputation 100/100

Classifying

HTML metadata

Title

LED Calculator - Current limiting resistor calculator for LED arrays

Description

This LED calculator will help you calculate the resistor values you will need when designing a series/parallel LED array circuit.

Language

Canonical

https://ledcalculator.net

Translations

Open Graph

url: https://ledcalculator.net
title: LED Calculator - Current limiting resistor calculator for LED arrays
description: This LED calculator will help you calculate the resistor values you will need when designing a series/parallel LED array circuit.

Technology

jQuery: 3.3.1 known XSS (<3.5)

Analytics

Google Tag Manager

Ads

Google AdSense

Third-party hosts loaded (5)

cdnjs.cloudflare.com×2
ajax.googleapis.com×1
pagead2.googlesyndication.com×1
stackpath.bootstrapcdn.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

Cloudflare, Inc.

Created

2008-03-19

Expires

2028-03-19 654 days left

Updated

2026-01-13

Name servers

alexis.ns.cloudflare.com
lovisa.ns.cloudflare.com

DNS records live

NS

alexis.ns.cloudflare.com
lovisa.ns.cloudflare.com

Verified for

Google

Email authentication no MX

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WR3

from 2026-05-25 to 2026-08-23

Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://ledcalculator.net/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=31556926

Links to (8)

Linked from (2)

resistorcolorcodecalc.com×1
simpits.org×1