What powers thunderforest.com?

Last seen Oct 2026 · 12 technologies across 9 categories

Analytics

Fathom
since Sep 2022

CDN

Cloudflare
since Jan 2023

Email

MailChimp
since Jan 2019
Mailgun
since Aug 2022

JavaScript libraries

jQuery v3.7.1
since Aug 2019

Miscellaneous

Open Graph
since Feb 2024
Popper
since Jul 2026
PWA
since Aug 2026

Programming languages

Ruby
since Sep 2022

Security

HSTS
since Sep 2022

UI frameworks

Bootstrap
since Jan 2019

Web frameworks

Ruby on Rails
since Sep 2022

AI Crawlers

Blocks all crawlers by default in robots.txt (User-agent: *). Checked Nov 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Nov 2026 * added to robots.txt
  • Oct 2026 * removed from robots.txt
  • Oct 2026 * added to robots.txt
  • Oct 2026 * removed from robots.txt
  • Sep 2026 * added to robots.txt
  • Sep 2026 * removed from robots.txt

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
thunder forest #1 43
thunderforest #1 27
thunderforest maps #1 9
open cycle maps #6 9
landscape map #8 8
open cycle map #7 7
heavy metal map #9 7
map transport #28 3
pioneer map #2 2
open cycling maps #3 1
flutter map #23 1
map tile #53 1
map of metal #56 1
leaflet map api #14 0
nats map #14 0
openstreetmap cycle map #15 0
pioneer maps #16 0
openstreetmap cycle #18 0
open street maps bike #19 0
maps tiles api #21 0
osm cycle map legend #21 0
pioneers map #21 0
raster vs vector map #22 0
raster maps vs vector maps #23 0
vector vs raster maps #24 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

All crawlers blocked

Full breakdown

Audience

  • 51% phone
  • 49% desktop
  • United Kingdom
  • France
  • Netherlands
  • United States
  • Spain
  • Belgium

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

Open Page Rank

5.52 / 10 · ranked #155,965 of all domains

183 referring domains · OpenPageRank

Search traffic

120 est. monthly organic visits (US)

52 keywords in Google's top 30

Core Web Vitals

LCP1.4 s
INP25 ms
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Oct 2026.

Page

  • Language: English
  • CDN: Google
  • Weight: 0.9 MB · 20 requests
  • Structured data: JSON-LD, OpenGraph

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • Gravitystorm Limited
  • Country: United Kingdom

From Wikidata (CC0).

Infrastructure

  • Registered Sep 2011 (15 years) via Gandi SAS, renews Sep 2028
  • Hosted on Cloudflare (104.26.0.148, IPv6)
  • DNS: Cloudflare DNS
  • Email: Fastmail
  • Email security: SPF (soft fail), DMARC reject
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Common Crawl link graph: rank 426,438, 8 hosts
  • Verified with: Google

DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted

Subdomains

HostTechs
manage.thunderforest.com 9
www.thunderforest.com 8

Full technology history →
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Recent changes

  • detected PWA Aug 2026
  • detected Popper Jul 2026

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