GeneralMixed
SEO Report: atcoder.jp
2026 m. balandžio 28 d. · 51 findings
65
Institutional websites prioritize accessibility, security, and proper indexing — citizens and stakeholders need easy access to relevant information.
Score Breakdown
Average General score: 50
seo
55(+10 vs avg)
security
72(+14 vs avg)
performance
0(-44 vs avg)
accessibility
66(+14 vs avg)
Best Practices
73(+17 vs avg)
Key Findings
- CriticalSSL certificate not found
Ensure the site has a valid SSL certificate installed
- CriticalMissing meta description
Add a meta description (120-160 characters)
- CriticalMissing viewport meta
Add <meta name="viewport" content="width=device-width, initial-scale=1">
- CriticalMissing og:title
Add og:title meta tag for compelling social media previews
- CriticalMissing sitemap.xml
Create a sitemap.xml to help search engines discover all pages
Recommendations for your industry
- 1Ensure WCAG 2.1 AA compliance
- 2Implement all recommended security headers
- 3Ensure sitemap covers all important pages
- 4Optimize page load time to under 2 seconds
- 5Ensure responsive design on all pages
SEO Checklist for General
Tips for Mixed websites
- →Define clear landing pages for each segment
- →Use different meta strategies per page group
- →Segment sitemap by content type