bowlroll.net website report
BowlRoll
Last scanned
Overall score
Fair
About bowlroll.net
bowlroll.net is a website. It describes itself as “BowlRollは、動画、画像、音楽、ゲーム等の作品公開、及び制作における素材やプログラムの配布、情報共有の場を提供するサイトです。”.
Score profile
Top issues to fix
9 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.
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.
Slow estimated load (7.2s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
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.
+3 more issues — details in the sections below.
How it compares
bowlroll.net scores higher overall than 33% 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
bowlroll.net is built with jQuery and Nginx.
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
bowlroll.net uses TLS 1.2 with a certificate valid for 66 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
bowlroll.net scores D for email security, with SPF and DMARC policy “none”.
- SPFWeak
Marks unlisted senders as suspicious (~all) but does not reject them.
- DMARCWeak
Monitoring only: forged mail is still delivered.
- MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
- BIMINot set
Not published (optional).
Mail services authorised in SPF: Google Workspace
Performance & carbon
bowlroll.net scores 80/100 for performance, with an estimated load time of 7.2 s. A visit emits an estimated 0.06 g of CO2 (grade A+).
Page weight
- HTML 103 KB
- JavaScript 15.3 KB
- CSS 51.2 KB
- Est. load
- 7.21 s
- Response
- 7.21 s
- Scripts / CSS
- 14 / 2
Carbon per visitA+
0.06 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
bowlroll.net scores 65/100 for SEO and 80/100 for accessibility, with 5 SEO issues to fix.
Heading structure
No H1 found.
Image alt text
3 images · 0 without alt text · 0 lazy-loaded
Links
- Internal 12
- External 56
- 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
- BowlRoll
- Description
- BowlRollは、動画、画像、音楽、ゲーム等の作品公開、及び制作における素材やプログラムの配布、情報共有の場を提供するサイトです。
- Canonical
- https://bowlroll.net/
- 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://bowlroll.net
- HTTP status
- 200
- Redirects
- https://bowlroll.net
- Scanned
- Aug 24, 2026, 1:22 PM
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Frequently asked questions about bowlroll.net
- What is bowlroll.net?
- bowlroll.net is a website. It describes itself as “BowlRollは、動画、画像、音楽、ゲーム等の作品公開、及び制作における素材やプログラムの配布、情報共有の場を提供するサイトです。”.
- What technology does bowlroll.net use?
- bowlroll.net is built with jQuery and Nginx.
- Is bowlroll.net secure?
- bowlroll.net uses TLS 1.2 with a certificate valid for 66 more days and sets 3 of 6 recommended security headers.
- Is bowlroll.net protected against email spoofing?
- bowlroll.net scores D for email security, with SPF and DMARC policy “none”.
- How does bowlroll.net compare with similar sites?
- bowlroll.net scores higher overall than 33% of the 163,243 sites we have scanned.
- What is bowlroll.net's overall score?
- bowlroll.net has an overall SiteGraph score of 78/100, combining SEO (65), performance (80), security (90) and accessibility (80).
Open Graph & Twitter