bldr.com
Builders FirstSource | Building Supplies & Materials
Last scanned Aug 24, 2026, 1:22 PM
Overall score
Excellent
Summary
Builders FirstSource, Inc. This website uses Google Analytics. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Multiple H1 headings found.
Builders FirstSource
Builders FirstSource, Inc. is a Fortune 500 company that is a manufacturer and supplier of building materials. The company is headquartered in Dallas, Texas, and is the largest supplier of building products, prefabricated components and value-added services in the US.
- 6031 Connection Dr, Suite 400, Irving, TX, 75039, US
Top issues to fix
6 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
2 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
3 issue(s) found
Performance
392 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Builders FirstSource
Builders FirstSource, Inc. is a Fortune 500 company that is a manufacturer and supplier of building materials. The company is headquartered in Dallas, Texas, and is the largest supplier of building products, prefabricated components and value-added services in the US.
Contact
Email, phone, and address published on this site's own pages.
- Address
- 6031 Connection Dr, Suite 400, Irving, TX, 75039, US
Meta tags
- Title
- Builders FirstSource | Building Supplies & Materials
- Description
- Welcome to Builders FirstSource, the nation’s largest supplier of building products, components and services. Find a store near you or request a quote online!
- Canonical
- https://www.bldr.com
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, minimum-scale=1
- Robots meta
- index,follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
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 1.3
- Issuer
- Entrust Limited
- Subject
- www.bldr.com
- Valid from
- Oct 28, 2025
- Valid to
- Oct 28, 2026
- Days until expiry
- 65
- SAN domains
- www.bldr.com, api.bldr.com, bldr.com, buildersfirstsource.com, www.buildersfirstsource.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 4 cookie(s) observed
Content & assets
Headings
H1 2 · H2 12 · H3 4
Links
73 internal · 16 external · 0 broken
Images
5 total · 0 missing alt
Scripts / Styles
80 scripts · 8 stylesheets
JS / CSS size
542 KB · 104 KB
Page size
61.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Multiple H1 headings found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://bldr.com
- Final URL
- https://www.bldr.com/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 391 ms
- HTML size
- 61.9 KB
- Redirect chain
- https://bldr.com → https://www.bldr.com/
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Frequently asked questions
- What technology does bldr.com use?
- bldr.com is built with jQuery, Google Analytics, Google Ads, Meta Pixel.
- Is bldr.com secure (HTTPS)?
- Yes. bldr.com uses TLS 1.3 with a certificate issued by Entrust Limited, valid until Oct 28, 2026.
- Who hosts bldr.com?
- Hosting provider information for bldr.com is not available yet.
- What is bldr.com's SEO score?
- bldr.com scored 85/100 for SEO in the latest analysis (great).
- What is bldr.com's overall website score?
- bldr.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- What company operates bldr.com?
- bldr.com is operated by Builders FirstSource. Builders FirstSource, Inc. is a Fortune 500 company that is a manufacturer and supplier of building materials. The company is headquartered in Dallas, Texas, and is the largest supplier of building products, prefabricated components and value-added services in the US.
OpenGraph & Twitter Card
OpenGraph
Twitter Card