What powers eloquentjavascript.net?

Last seen Aug 2026 · 2 technologies across 2 categories

Security

HSTS
since Sep 2022

Web Servers

Nginx v1.26.3
since May 2017

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

Top search keywords

KeywordPositionEst. monthly visits
js book #1 730
javascript #18 550
eloquent javascript #1 400
eloquent #14 310
asynchronous #29 190
javascript regexp #6 110
how to learn javascript #56 63
regular expression javascript #7 57
eloquent js pdf #1 52
binary heap #10 46
javascript asynchronous #4 44
javascript sandbox #7 41
asynchronous javascript #5 34
js platformer #1 33
eloquent javascript pdf #2 28
eloquent javascript book #1 27
document object model javascript #7 26
how to make a programming language #5 23
eloquent meaning #59 19
book on javascript pdf #2 18
js book pdf #2 18
javascript online #38 17
js regular expression #15 17
eloquence #83 16
free book website #89 16

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 robots.txt, all AI crawlers allowed

Full breakdown

Audience

  • 68% desktop
  • 32% phone
  • United States
  • India
  • Brazil
  • Egypt
  • United Kingdom
  • Nigeria

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

Open Page Rank

7.45 / 10 · ranked #19,618 of all domains

803 referring domains · OpenPageRank

Search traffic

3,800 est. monthly organic visits (US)

1,984 keywords in Google's top 30

Core Web Vitals

LCP1.1 s
INP25 ms
CLS0.05
TTFB700 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Weight: 0.1 MB · 5 requests

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Registered Jul 2007 (19 years) via Key-Systems GmbH, renews Jul 2027
  • Hosted on TransIP (149.210.142.219, IPv6)
  • Email: marijnhaverbeke.nl
  • Email security: no SPF record, no DMARC record, DNSSEC signed
  • SSL: Let's Encrypt, RSA 2048, expires Oct 2026
  • Common Crawl link graph: rank 5,500, 3 hosts

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

Subdomains

HostTechs
fr.eloquentjavascript.net 2
eloquentjavascript.net 1

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