qt.io

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qt.io is ranked #9,324 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 119 places in four weeks. The domain was registered on Oct 5, 2013, 13 years ago, through Gandi SAS, and is paid up until Oct 5, 2027. Its homepage uses jQuery, HubSpot CMS and Google Tag Manager. It is served through cdnjs and Cloudflare.

Global rank

#9,324

– this week

Domain age

13 years

since Oct 5, 2013

Technologies

detected on the homepage

SEO score

98/100

homepage checks

Popularity rank

#9,324 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days. Best rank in the period shown: #9,193.

Weekly Tranco rank (lower is more popular).

See where qt.io sits in the top 10,000

Domain registration

Registered: Oct 5, 2013 (13 years ago)
Expires: Oct 5, 2027
Registrar: Gandi SAS
Name servers: ns-175-a.gandi.net, ns-49-c.gandi.net, ns-243-b.gandi.net
DNSSEC: Not signed

From the registry's public RDAP record, checked Oct 7, 2026.

Technology stack

JavaScript libraries

CMS & site builders

Analytics

CDN

Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.

Homepage SEO check

Checked from the HTML our scanner received on Oct 14, 2026. Content added later by JavaScript isn't counted.

98/100

https://www.qt.io/

Qt | Tools for Each Stage of Software Development Lifecycle

All the essential Qt tools for all stages of Software Development Lifecycle: planning, design, development, testing, and deployment.

22 passed · 1 warnings · 0 failed

Content

✓Title59 characters
✓Meta description132 characters
✓H1 headingExactly one H1
✓Subheadings11 H2 headings
✓Image alt textAll 52 images have alt text
✓Content lengthAbout 1,052 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.qt.io
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen
ihreflang5 language alternates
✓Structured dataOrganization, WebSite

Social sharing

✓Open GraphTitle, description and image set
✓Twitter / X cardsummary_large_image

Technical

✓HTTPSServed over HTTPS
✓Mobile viewportFound
✓FaviconFound
✓Character encodingutf-8

Security headers

✓Strict-Transport-SecuritySet
✓Content-Security-PolicySet
!Clickjacking protectionNot set
✓X-Content-Type-OptionsSet
✓Referrer-PolicySet

Server response

Final URL: https://www.qt.io/
HTTP status: 200
Server: cloudflare
Response time: 2.39 s (first byte 2.38 s, from our scanner in a US data centre)
HTML size: 229 KB
Compression: br

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#7,292	adikteev.com	HubSpot CMS, cdnjs, Cloudflare
#3,732	knowbe4.com	HubSpot CMS, Cloudflare, jQuery
#8,063	linuxfoundation.org	HubSpot CMS, cdnjs, Cloudflare
#3,215	caltech.edu	cdnjs, Cloudflare, jQuery
#7,171	ig.com.br	cdnjs, Cloudflare, jQuery
#7,852	topky.sk	cdnjs, Cloudflare, jQuery

Sites ranked near qt.io

Rank	Website	Registered	Built with
#9,319	nepremicnine.net	1999	Cloudflare
#9,320	yaoimangaonline.com	2016	Cloudflare
#9,321	edreams.es	—	Cloudflare, Google Analytics
#9,322	spiceworks.com	1998	—
#9,323	best-hit.tv	2011	cdnjs, jsDelivr, Apache
#9,325	pnc.com	1993	Akamai, jQuery, Font Awesome
#9,326	cinecalidad.am	—	WordPress, Cloudflare, jsDelivr
#9,327	servicewebly.com	2020	Amazon CloudFront, Google Analytics, Google AdSense
#9,328	flashscore.ua	2020	Nginx, Google Tag Manager, Google AdSense
#9,329	waipu.tv	2015	WordPress, Nginx, jQuery

Questions about qt.io

How popular is qt.io?

qt.io is #9,324 worldwide in the Tranco list published Oct 13, 2026.

How old is qt.io?

qt.io was registered on Oct 5, 2013, which makes the domain 13 years old.

What is qt.io built with?

We detected jQuery, HubSpot CMS, Google Tag Manager, cdnjs and Cloudflare on its homepage.

Who is the registrar of qt.io?

Gandi SAS, according to the registry's RDAP record.