rbomiya.com website report
RB大宮アルディージャ公式サイト
Last scanned
Overall score
Great
About rbomiya.com
rbomiya.com is a website. It describes itself as “RB大宮アルディージャ公式サイト。ニュース、試合、トップチーム、チケット・観戦、ファンクラブ、グッズ、アカデミー、スクール、オレンジコート、クラブ、ホームタウン、パートナー、デジタルVAMOS”. It is also on Facebook, X and Instagram.
Score profile
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
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.
+2 more issues — details in the sections below.
How it compares
rbomiya.com scores higher overall than 55% 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
rbomiya.com is built with jQuery and Google Analytics.
Analytics (1)
Libraries (1)
Hosting & DNS
- IP address
- —
- ASN
- —
- IPv6
- Not supported
- HTTP
- HTTP/2
Show DNS record values
TXT record contents are not republished; only their count is shown.
Security
rbomiya.com uses TLS 1.3 with a certificate valid for 152 more days and sets 3 of 6 recommended security headers.
Security headers3 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
- 1
Email security
rbomiya.com scores D for email security, with no SPF record and DMARC policy “reject”.
- SPFNot set
No SPF record: anyone can claim to send mail from this domain.
- DMARCGood
Forged mail is rejected; reports are collected.
- MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
- BIMINot set
Not published (optional).
Performance & carbon
rbomiya.com scores 100/100 for performance, with an estimated load time of 0.6 s. A visit emits an estimated 0.03 g of CO2 (grade A+).
Page weight
- HTML 66.9 KB
- JavaScript 10.0 KB
- Est. load
- 577 ms
- Response
- 576 ms
- Scripts / CSS
- 27 / 7
Carbon per visitA+
0.03 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
rbomiya.com scores 65/100 for SEO and 80/100 for accessibility, with 5 SEO issues to fix.
Heading structure
No H1 found.
Image alt text
73 images · 0 without alt text · 0 lazy-loaded
Links
- Internal 76
- External 34
- Broken 20
SEO issues5
- Meta description longer than 160 characters
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues2
- No H1 heading found
- Missing <html lang> attribute
Technical details
Page metadata, social tags, crawl files and scan information.
Meta tags
- Title
- RB大宮アルディージャ公式サイト
- Description
- RB大宮アルディージャ公式サイト。ニュース、試合、トップチーム、チケット・観戦、ファンクラブ、グッズ、アカデミー、スクール、オレンジコート、クラブ、ホームタウン、パートナー、デジタルVAMOS
- Canonical
- https://www.rbomiya.com/
- Language
- Robots meta
Crawl files
- robots.txt
- Not found
- Disallow rules
- 0
- 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://www.rbomiya.com/
- HTTP status
- 200
- Redirects
- https://rbomiya.com → https://www.rbomiya.com/
- Scanned
- Aug 24, 2026, 1:23 PM
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Frequently asked questions about rbomiya.com
- What is rbomiya.com?
- rbomiya.com is a website. It describes itself as “RB大宮アルディージャ公式サイト。ニュース、試合、トップチーム、チケット・観戦、ファンクラブ、グッズ、アカデミー、スクール、オレンジコート、クラブ、ホームタウン、パートナー、デジタルVAMOS”. It is also on Facebook, X and Instagram.
- What technology does rbomiya.com use?
- rbomiya.com is built with jQuery and Google Analytics.
- Is rbomiya.com secure?
- rbomiya.com uses TLS 1.3 with a certificate valid for 152 more days and sets 3 of 6 recommended security headers.
- Is rbomiya.com protected against email spoofing?
- rbomiya.com scores D for email security, with no SPF record and DMARC policy “reject”.
- How does rbomiya.com compare with similar sites?
- rbomiya.com scores higher overall than 55% of the 163,243 sites we have scanned.
- What is rbomiya.com's overall score?
- rbomiya.com has an overall SiteGraph score of 83/100, combining SEO (65), performance (100), security (90) and accessibility (80).
Open Graph & Twitter