hollyfrontier.com
HF Sinclair Corporation | Home
Last scanned Jul 22, 2026, 8:14 PM · 1 view
Overall score
Fair
Summary
An independent petroleum refiner in the United States with operations throughout the mid-continent, southwestern and Rocky Mountain regions. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is fair (60/100) and accessibility is good (75/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
An independent petroleum refiner in the United States with operations throughout the mid-continent, southwestern and Rocky Mountain regions. Subsidiaries of HollyFrontier produce and market gasoline, diesel, jet fuel, asphalt, heavy products and specialty lubricant products. Additionally, HollyFrontier owns Petro-Canada Lubricants Inc. whose Mississauga, Ontario facility produces 15,600 barrels per day of base oils and other specialized lubricant products.
- United States
- Hosted on Cloudflare
Top issues to fix
8 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+2 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
1.08 s
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
An independent petroleum refiner in the United States with operations throughout the mid-continent, southwestern and Rocky Mountain regions. Subsidiaries of HollyFrontier produce and market gasoline, diesel, jet fuel, asphalt, heavy products and specialty lubricant products. Additionally, HollyFrontier owns Petro-Canada Lubricants Inc. whose Mississauga, Ontario facility produces 15,600 barrels per day of base oils and other specialized lubricant products.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- HF Sinclair Corporation | Home
- Description
- An independent petroleum refiner in the United States with operations throughout the mid-continent, southwestern and Rocky Mountain regions. Subsidiaries of HollyFrontier produce and market gasoline, diesel, jet fuel, asphalt, heavy products and specialty lubricant products. Additionally, HollyFrontier owns Petro-Canada Lubricants Inc. whose Mississauga, Ontario facility produces 15,600 barrels per day of base oils and other specialized lubricant products.
- Canonical
- Language
- en-CA
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 162.159.130.11
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.hfsinclair.com
- Valid from
- Jul 6, 2026
- Valid to
- Oct 4, 2026
- Days until expiry
- 73
- SAN domains
- www.hfsinclair.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 3 · H3 0
Links
35 internal · 29 external · 0 broken
Images
4 total · 2 missing alt
Scripts / Styles
34 scripts · 11 stylesheets
JS / CSS size
345 KB · 0 B
Page size
52.9 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://hollyfrontier.com
- Final URL
- https://www.hfsinclair.com/home/default.aspx
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.08 s
- HTML size
- 52.9 KB
- Redirect chain
- https://hollyfrontier.com → https://www.hfsinclair.com/ → https://www.hfsinclair.com/home/default.aspx
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Frequently asked questions
- What technology does hollyfrontier.com use?
- hollyfrontier.com is built with jQuery, Google Analytics, Google Ads.
- Is hollyfrontier.com secure (HTTPS)?
- Yes. hollyfrontier.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 4, 2026.
- Who hosts hollyfrontier.com?
- hollyfrontier.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is hollyfrontier.com's SEO score?
- hollyfrontier.com scored 60/100 for SEO in the latest analysis (fair).
- What is hollyfrontier.com's overall website score?
- hollyfrontier.com has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
- Is hollyfrontier.com hiring?
- hollyfrontier.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card