What powers redspark.nu?

Last seen Sep 2026 · 26 technologies across 13 categories

Analytics

Caching

Redis Object Cache
since Jul 2026

CDN

Cloudflare
since Aug 2020

CMS

WordPress v7.1
since Jul 2017

Databases

MySQL
since Jan 2019
Redis
since Jul 2026

Font scripts

Font Awesome v4.7.0
since Jul 2017
Google Font API
since Jul 2017
Twitter Emoji (Twemoji)
since Jan 2019

JavaScript libraries

core-js v3.46.0
since Sep 2021
jQuery v3.7.1
since Jul 2017
jQuery Migrate v3.4.1
since Jul 2017
jQuery UI v1.14.2
since Nov 2020
Swiper
since May 2025

Miscellaneous

HTTP/3
since Sep 2022
Open Graph
since Sep 2022
RSS
since Dec 2022

Performance

Priority Hints
since Aug 2023

Programming languages

PHP
since Jan 2019

Reverse proxies

Nginx
since May 2017

Wikis

MediaWiki v1.26.4
since Oct 2020

WordPress plugins

Contact Form 7 v6.1.7
since May 2025
Elementor v4.2.4
since May 2025
Recent Posts Widget With Thumbnails v7.1.1
since Feb 2022
Yoast SEO v28.4
since May 2019

AI Crawlers

No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.

  • robots.txt not found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No robots.txt, all AI crawlers allowed

Full breakdown

Open Page Rank

2.79 / 10 · ranked #2,009,094 of all domains

36 referring domains · OpenPageRank

Page

  • Language: English (United States)
  • CDN: Cloudflare
  • Weight: 5.6 MB · 136 requests
  • WordPress theme: newsxo-pro · all themes
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Redspark

From the homepage's own structured data (Sep 2026).

Infrastructure

  • Hosted on Cloudflare (104.21.51.127, IPv6)
  • DNS: Cloudflare DNS
  • Email: redspark.nu
  • Email security: no SPF record, no DMARC record
  • SSL: Google Trust Services, ECDSA P256, wildcard, expires Oct 2026
  • Common Crawl link graph: rank 672,526, 4 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

Subdomains

HostTechs
redspark.nu 24
www.redspark.nu 22
library.redspark.nu 4

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