Website readiness profile · Snapshot 23 October 2026
bunshun.jp
bunshun.jp's public homepage, certificate and DNS checked against 31 practices and compared with 3,856 News & Media sites.
- Readiness index
- 74/100
- Ahead of
- 73%
- Practices observed
- 20/30
- Popularity band
- Top 5K
News & Media median 68
of measured News & Media sites
1 of 31 could not be measured
Chrome UX Report top-sites list
Readiness by lane
Green: bunshun.jp. Thin bar: News & Media peer median.
Enable
94/100
Peers 89
Harden
60/100
Peers 56
Accelerate
78/100
Peers 68
Recover
100/100
Peers 11
Priority fixes for bunshun.jp
Ordered by impact and by how common each practice is among peers.
Priority 1 · Harden
DMARC policy enforces quarantine or reject
Observed: No DMARC record was found at _dmarc.bunshun.jp.
Why it matters: An enforcing DMARC policy helps receiving mail systems reject email that falsely claims to come from your domain, a common route for phishing your customers.
What to do: Publish DMARC with p=none and a reporting address first, fix any legitimate senders that fail SPF or DKIM alignment, then move to quarantine and finally reject.
37% of News & Media peers do this. Limit: Read from public DNS at the time of the check; records may have changed since.
Priority 2 · Accelerate
No render-blocking scripts in <head>
Observed: The homepage <head> loaded 3 external scripts without async or defer.
What to do: Add defer to scripts that need the DOM, async to independent ones such as analytics, or move them to the end of the body.
42% of News & Media peers do this.
Guide: Control Third-Party Scripts Before They Control Your Page
Priority 3 · Harden
Certificate lifetime of 100 days or less
Observed: The certificate from DigiCert Inc had a 312-day validity period, longer than the 100-day maximum that applies from March 2027.
What to do: Move to automated issuance and renewal now, while you still have time to test it.
66% of News & Media peers do this.
Priority 4 · Accelerate
HTTP/3 advertised
Observed: The homepage did not advertise HTTP/3 through an Alt-Svc header.
What to do: Turn on HTTP/3 at your CDN. Browsers fall back to HTTP/2 automatically, so the risk is low.
36% of News & Media peers do this.
What bunshun.jp already does well
Practices fewer than half of News & Media peers use.
- Nameservers spread across providersNameservers spread across more than one operator.11% of peers
- HSTS kept for at least a yearHSTS with a 365-day max-age.35% of peers
- X-Content-Type-Options: nosniffnosniff header present.42% of peers
What we saw
- Homepage checked
- https://bunshun.jp/
- Homepage response
- HTTP 200
- TLS
- TLSv1.3, HTTP/2
- Certificate
- DigiCert, 312-day validity, expiring 2026-11-30
- DNS operators
- 2 self-run or other nameserver domains
- HSTS
- max-age 365 days
- Homepage HTML
- 119 KB, gzip
- Images on homepage
- 124 (jpg 153, png 62, webp 14, svg 2, gif 1)
Limits: homepage only, one location, one moment. Header checks reflect the homepage response; other pages may differ.
Stack and providers
Seen in the homepage response, certificate and DNS. Provider pages compare how their customers configure the same checks.
All 31 checks
Select a gap for the method and fix. How each check works
Not observed 10
Observed 20
- HTTP requests move to HTTPS
- HSTS kept for at least a year
- TLS 1.3 negotiated
- Certificate has more than 14 days left
- X-Content-Type-Options: nosniff
- Framing restricted
- HTTP/2 negotiated
- HTML compressed
- Static files cached for 30 days or more
- Modern image formats in use
- Offscreen images lazy-loaded
- XML sitemap discoverable
- Canonical URL declared
- Meta description written
- Mobile viewport configured
- Structured data present
- Social preview image set
- Page language declared
- At most one redirect to the homepage
- Nameservers spread across providers
Not measured 1
- robots.txt published
Own bunshun.jp?
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Live status for this site: Status Is Down: bunshun.jp. This profile covers configuration only.