costco.com

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costco.com is ranked #997 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 18 places in four weeks. The domain was registered on Mar 17, 1997, 29 years, 6 months ago, through CSC Corporate Domains, Inc., and is paid up until Mar 18, 2027. Its homepage uses Next.js, React, Material UI and reCAPTCHA. It is served by Envoy.

Global rank

#997

▲ 10 this week

Domain age

29 years

since Mar 17, 1997

Technologies

detected on the homepage

SEO score

83/100

homepage checks

Popularity rank

#997 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: #976.

Weekly Tranco rank (lower is more popular).

See where costco.com sits in the top 10,000

Domain registration

Registered: Mar 17, 1997 (29 years, 6 months ago)
Expires: Mar 18, 2027
Registrar: CSC Corporate Domains, Inc.
Name servers: a1-116.akam.net, a14-67.akam.net, a28-66.akam.net, a5-64.akam.net, a6-64.akam.net, a9-66.akam.net
DNSSEC: Not signed

From the registry's public RDAP record, checked Oct 1, 2026.

Technology stack

JavaScript frameworks

Next.js React

UI frameworks & fonts

Material UI

Security

reCAPTCHA

Web servers

Envoy

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.

83/100

https://www.costco.com/

Welcome to Costco Wholesale

Shop Costco.com for electronics, computers, furniture, outdoor living, appliances, jewelry and more. Enjoy low warehouse prices on name-brands products delivered to your door

16 passed · 6 warnings · 1 failed

Content

✓Title27 characters
!Meta description174 characters — aim for 50–170
✓H1 headingExactly one H1
✓Subheadings19 H2 headings
✓Image alt textAll 24 images have alt text
✓Content lengthAbout 388 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.costco.com
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen-us
!Structured dataNo JSON-LD or microdata

Social sharing

✕Open GraphMissing
!Twitter / X cardMissing

Technical

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

Security headers

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

Server response

Final URL: https://www.costco.com/
HTTP status: 200
Server: —
Response time: 36 ms (first byte 16 ms, from our scanner in a US data centre)
HTML size: 3.0 MB
Compression: gzip

Sites with a similar tech stack

Rank	Website	Built with
#6,802	costco.ca	Next.js, React, Envoy
#197	applovin.com	Next.js, React, Envoy
#2,378	axon.ai	Next.js, React, Envoy
#6,185	webnode.com	Next.js, React, Envoy
#6,516	hobbylobby.com	Next.js, React, Envoy
#478	walmart.com	Next.js, React, Envoy

Sites ranked near costco.com

Rank	Website	Registered	Built with
#992	presage.io	2014	—
#993	umich.edu	—	Cloudflare
#994	queniuaa.com	2021	—
#995	sofascore.com	2012	—
#996	kwai.com	2002	Nuxt, Vue.js
#998	pixiv.net	2007	Cloudflare
#999	ubi.com	1998	Next.js, React, Amazon CloudFront
#1,000	flightradar24.com	2009	Cloudflare
#1,001	heytapmobi.com	2019	Nginx
#1,002	transsion-os.com	2022	—

Questions about costco.com

How popular is costco.com?

costco.com is #997 worldwide in the Tranco list published Oct 13, 2026.

How old is costco.com?

costco.com was registered on Mar 17, 1997, which makes the domain 29 years, 6 months old.

What is costco.com built with?

We detected Next.js, React, Material UI, reCAPTCHA and Envoy on its homepage.

Who is the registrar of costco.com?

CSC Corporate Domains, Inc., according to the registry's RDAP record.