cardsir.com website report
403 Forbidden
Last scanned
Overall score
Great
About cardsir.com
cardsir.com is a website. The site is hosted on Cloudflare.
Score profile
Top issues to fix
10 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+4 more issues — details in the sections below.
How it compares
cardsir.com scores higher overall than 40% of the 163,243 sites we have scanned.
vs. All scanned sites
163,243 sitesThe dot is this site; the tick is the typical (median) score for the group. The number on the right is the percentile: the share of the group this site scores above.
Technology stack
No technologies were detected in the latest scan.
Hosting & DNS
cardsir.com is hosted on and delivered through Cloudflare (servers registered in US).
- IP address
- 104.21.38.36
- ASN
- AS13335 · CLOUDFLARENET - Cloudflare, Inc., US
- IPv6
- Supported
- HTTP
- HTTP/2
Show DNS record values
- A
- 104.21.38.36, 172.67.218.80
- AAAA
- 2606:4700:3034::6815:2624, 2606:4700:3037::ac43:da50
- NS
- hasslo.ns.cloudflare.com, dee.ns.cloudflare.com
TXT record contents are not republished; only their count is shown.
Security
cardsir.com uses TLS 1.3 with a certificate valid for 56 more days and sets 1 of 6 recommended security headers.
Security headers1 of 6 set
- HSTSForces HTTPS
- CSPBlocks injected scripts
- X-Frame-OptionsStops clickjacking
- X-Content-TypeStops MIME sniffing
- Referrer-PolicyLimits URL leakage
- Permissions-PolicyRestricts browser features
TLS certificate
- Names covered
- 2
- Cookies set
- 0
Email security
cardsir.com does not receive email, but does not fully block others from sending mail in its name.
No MX records: this domain does not receive mail.
- SPFNot set
No SPF record: anyone can claim to send mail from this domain.
- DMARCNot set
No DMARC policy: forged mail is not told to be rejected.
- MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
- BIMINot set
Not published (optional).
Performance & carbon
cardsir.com scores 100/100 for performance, with an estimated load time of 0.7 s. A visit emits an estimated 0.00 g of CO2 (grade A+).
Page weight
- HTML 138 B
- Est. load
- 711 ms
- Response
- 711 ms
- Scripts / CSS
- 0 / 0
Carbon per visitA+
0.00 g CO2 per uncached view
Estimate from the Sustainable Web Design model. HTML, JavaScript and CSS only; images, video and fonts are not measured. Treat it as a lower bound for comparing pages, not an audit.
SEO & accessibility
cardsir.com scores 65/100 for SEO and 85/100 for accessibility, with 5 SEO issues to fix.
Heading structure
One H1: good.
Image alt text
0 images · 0 without alt text · 0 lazy-loaded
Links
SEO issues5
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues2
- Missing <html lang> attribute
- Missing viewport meta tag
Company
Location & contact page
Published on this site's own pages.
- Contact page
- Open contact page →
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Technical details
Page metadata, social tags, crawl files and scan information.
Meta tags
- Title
- 403 Forbidden
- Description
- Canonical
- Language
- Robots meta
Crawl files
- robots.txt
- Found
- Disallow rules
- 9
- sitemap.xml
- Not found
- URLs in sitemap
- 0
Structured data
No JSON-LD types declared.
- Microdata items
- 0
- RDFa items
- 0
Scan
- Final URL
- https://cardsir.com
- HTTP status
- 200
- Redirects
- https://cardsir.com
- Scanned
- Aug 24, 2026, 1:23 PM
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<a href="https://sitegraph.tech/site/cardsir-com"><img src="https://sitegraph.tech/badge/cardsir-com.svg" alt="cardsir.com on SiteGraph" width="190" height="20" /></a>See something wrong on this report? Request a correction or ask for something to be removed.
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Frequently asked questions about cardsir.com
- What is cardsir.com?
- cardsir.com is a website. The site is hosted on Cloudflare.
- Who hosts cardsir.com?
- cardsir.com is hosted on and delivered through Cloudflare (servers registered in US).
- Is cardsir.com secure?
- cardsir.com uses TLS 1.3 with a certificate valid for 56 more days and sets 1 of 6 recommended security headers.
- Is cardsir.com protected against email spoofing?
- cardsir.com does not receive email, but does not fully block others from sending mail in its name.
- How does cardsir.com compare with similar sites?
- cardsir.com scores higher overall than 40% of the 163,243 sites we have scanned.
- What is cardsir.com's overall score?
- cardsir.com has an overall SiteGraph score of 80/100, combining SEO (65), performance (100), security (75) and accessibility (85).
- Is cardsir.com hiring?
- cardsir.com has a careers page; check it directly for current openings.
Open Graph & Twitter