What powers lexlrf.org?

Last seen Aug 2026 · 29 technologies across 16 categories

Analytics

Ahoy
since Oct 2022
Google Analytics
since Oct 2022
Snowplow Analytics
since Oct 2022

CDN

cdnjs
since Jul 2025
Cloudflare
since Oct 2024

CMS

Weebly
since Oct 2022

Databases

MySQL
since Oct 2022

Ecommerce

Cart Functionality
since Oct 2022

JavaScript frameworks

Mustache v2.1.3
since Oct 2022

JavaScript libraries

core-js v2.6.12
since Oct 2022
FancyBox v2.1.0
since Oct 2022
Hammer.js v2.0.4
since Oct 2022
jQuery v1.8.3
since Oct 2022
jQuery UI v1.11.4
since Oct 2022
Lodash v1.8.3
since Oct 2022
Select2
since Oct 2022

Miscellaneous

Babel
since Oct 2022
Open Graph
since Oct 2022

Payment processors

Stripe v3
since Oct 2022

Programming languages

PHP
since Oct 2022
Ruby
since Jul 2023

Security

Cloudflare Bot Management
since Oct 2024

Tag managers

Google Tag Manager
since Sep 2023

Video players

MediaElement.js v2.9.5
since Oct 2022
VideoJS
since Oct 2022
Vimeo
since Oct 2022

Web frameworks

Ruby on Rails
since Jul 2023

Webmail

Google Workspace
since Oct 2022

Widgets

POWR
since Oct 2022

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.

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

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
lex #17 95
lex's world #18 10
kanji cards #5 7
lex family #5 5
ayp #30 3
lex internship #7 2
lexconnect #13 1
lex english #11 1
buy in kanji #53 0
what is d n a about #59 0
multilingual bookstore #59 0
progressive translation books #56 0
japanese le #26 0
japan hosting #33 0
japan flyer #58 0
kanji flash cards #64 0
kanji card #39 0
kanji board #26 0
jouyou kanji flashcards #56 0
learning language cds #17 0
learn with lex #19 0
lexfest 2025 #30 0
lexconnect #27 0
lex training #54 0
lex learn #21 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

No AI crawlers blocked

Full breakdown

Open Page Rank

5.31 / 10 · ranked #191,019 of all domains

9 referring domains · OpenPageRank

Search traffic

120 est. monthly organic visits (US)

30 keywords in Google's top 30

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 10.8 MB · 152 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

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

Full technology history →
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