What technology does nucor.com use?

nucor.com is built with WordPress, jQuery, Google Analytics, Google Ads, Nginx.

Is nucor.com secure (HTTPS)?

Yes. nucor.com uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Oct 23, 2026.

Hosting provider information for nucor.com is not available yet.

What is nucor.com's SEO score?

nucor.com scored 85/100 for SEO in the latest analysis (great).

What is nucor.com's overall website score?

nucor.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.

nucor.com

Nucor | North America's Largest Steel Manufacturer & Recycler

Last scanned Aug 24, 2026, 1:22 PM · 2 views

Overall score

Excellent

Summary

Nucor is an American manufacturer of steel, specializing in low-embodied carbon EAF steel products and capabilities that drive the circular economy. This website uses WordPress. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

Nucor is an American manufacturer of steel, specializing in low-embodied carbon EAF steel products and capabilities that drive the circular economy.

Top issues to fix

5 issues found · 1 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
19 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

3 issue(s) found

100

Performance

910 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Nucor is an American manufacturer of steel, specializing in low-embodied carbon EAF steel products and capabilities that drive the circular economy.

LinkedIn Instagram Facebook YouTube

Contact

Email, phone, and address published on this site's own pages.

Phone: 704-366-7000

Meta tags

Title: Nucor | North America's Largest Steel Manufacturer & Recycler
Description: Nucor is an American manufacturer of steel, specializing in low-embodied carbon EAF steel products and capabilities that drive the circular economy.
Canonical: https://nucor.com/
Language: en-US
Charset: UTF-8
Viewport: width=device-width, initial-scale=1
Robots meta: index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Manifest

Technologies

Detected frameworks, languages, and tools.

WordPress jQuery Google Analytics Google Ads Nginx

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.2
Issuer: DigiCert Inc
Subject: *.nucor.com
Valid from: Oct 24, 2025
Valid to: Oct 23, 2026
Days until expiry: 59
SAN domains: *.nucor.com, nucor.com

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyMissing
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyEnabled
Permissions-PolicyEnabled

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 9 · H3 7

Links

96 internal · 43 external · 19 broken

Images

47 total · 0 missing alt

Scripts / Styles

82 scripts · 13 stylesheets

JS / CSS size

29.7 KB · 63.0 KB

Page size

239 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Title longer than 60 characters
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://nucor.com
Final URL: https://nucor.com
HTTP status: 200
HTTP version: HTTP/2
Response time: 906 ms
HTML size: 239 KB
Redirect chain: https://nucor.com

See something wrong on this report? Request a correction

Same technology stack

rightworks.com

Cloud hosting for accounting professionals | Rightworks

wordpressnginxmeta-pixel

AUTOMATTIC - Automattic, Inc, US

testpress.in

Best LMS Software for Online Courses & Tests | Testpress

wordpressnginxmeta-pixel

i24.host

i24® MKB Hostingpartner

wordpressnginxphp

strettoweb.com

StrettoWeb | Notizie di Calabria e Sicilia, news dall'Italia, cronaca Reggio e Messina

wordpressnginxgoogle-analytics

riscv.org

Home - RISC-V International

wordpressshopifynginx

· Fastly

siasat.com

Latest News from Hyderabad, Telangana, Bollywood, India | The Siasat Daily