What powers pe.org.pl?

Last seen Aug 2026 · 17 technologies across 13 categories

Analytics

Caching

Litespeed Cache
since Aug 2025

CDN

Cloudflare
since Jan 2026

CMS

WordPress v7.0.4
since Aug 2025

Databases

MySQL
since Aug 2025

Font scripts

Twitter Emoji (Twemoji)
since Jan 2026

JavaScript Frameworks

jQuery v3.7.1
since Oct 2016

JavaScript libraries

core-js v3.46.0
since Aug 2025
jQuery Migrate v3.4.1
since Aug 2025
jQuery UI v1.13.3
since Aug 2025

Miscellaneous

HTTP/3
since May 2025
RSS
since Aug 2025

Programming languages

PHP
since Jun 2018

Web Servers

Apache HTTP Server
since Oct 2016

WordPress plugins

Elementor v4.2.2
since Aug 2025
WPML v4.9.6
since Aug 2025

WordPress themes

Hello Elementor v3.4.9
since Aug 2025

AI Crawlers

Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.

Training crawlers

  • Applebot-Extended Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • Google-Extended Blocked
  • GPTBot Blocked
  • meta-externalagent Blocked

Search and AI assistants

  • Amazonbot Blocked

The other 25 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

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

Content Signals: search=yes ai-train=no declared in robots.txt

  • Aug 2026 *: Restricted (was Allowed)
  • Aug 2026 *: Allowed (was Restricted)

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
lithium-ion battery model #7 2
marx generator schematic #6 2
rms scheduling #54 1
lithium ion battery modelling #13 1
fibre optic current sensor #7 1
fiber-optic current sensor #7 1
fiber optic current sensors #7 1
bandgap reference circuit design #45 0
bandgap circuit #51 0
best inventors of the 21st century #90 0
zeranin #20 0
convection newborn #32 0
tin heaters #62 0
tin heaters #62 0
transient waveform #54 0
transformers phase shift #89 0
transformers in parallel #61 0
transmission line arresters #74 0
transformer life cycle #90 0
tstc electrical power and controls #40 0
uhvc #72 0
voltage controlling device #77 0
wfmc workflow #63 0
radiation in computer monitors #75 0
s box cryptography #53 0

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

AI Crawlers

8 of 33 AI crawlers blocked

Standards: Content Signals

Full breakdown

Audience

  • 75% desktop
  • 25% phone
  • Poland

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

5.29 / 10 · ranked #209,841 of all domains

137 referring domains · OpenPageRank

Search traffic

9 est. monthly organic visits (US)

76 keywords in Google's top 30

Core Web Vitals

LCP1.7 s
INP25 ms
CLS0
TTFB1000 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Polish (Poland)
  • CDN: Cloudflare
  • Weight: 1.2 MB · 68 requests
  • WordPress theme: hello-elementor (child: hello-theme-child-master) · all themes

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Przegląd Elektrotechniczny
  • Founded: 1919

From Wikidata (CC0).

Infrastructure

  • Hosted on Cloudflare (104.21.18.6, IPv6)
  • Email: home.pl
  • Email security: SPF (soft fail), no DMARC record
  • SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
  • Common Crawl link graph: rank 679,663, 5 hosts

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

Subdomains

HostTechs
pe.org.pl 16
archiwum.pe.org.pl 4
www.pe.org.pl 3
www.red.pe.org.pl 2

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