to-corona-ex.com
コロナEX｜TOブックスの公式Web漫画サイト
Last scanned Jul 26, 2026, 12:19 PM · 6 views
Overall score
Great
Summary
TOブックスの公式Web漫画（マンガ）サイト、コロナEX。「本好きの下剋上」「ティアムーン帝国物語 ～断頭台から始まる、姫の転生逆転ストーリー～」など、人気��… This website uses Next.js hosted on AWS behind Vercel CDN. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
TOブックスの公式Web漫画（マンガ）サイト、コロナEX。「本好きの下剋上」「ティアムーン帝国物語 ～断頭台から始まる、姫の転生逆転ストーリー～」など、人気作や話題作、新作が読める！
- United States
- Hosted on AWS
Top issues to fix
9 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.
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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+3 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
216 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
TOブックスの公式Web漫画（マンガ）サイト、コロナEX。「本好きの下剋上」「ティアムーン帝国物語 ～断頭台から始まる、姫の転生逆転ストーリー～」など、人気作や話題作、新作が読める！
Meta tags
- Title
- コロナEX｜TOブックスの公式Web漫画サイト
- Description
- TOブックスの公式Web漫画（マンガ）サイト、コロナEX。「本好きの下剋上」「ティアムーン帝国物語 ～断頭台から始まる、姫の転生逆転ストーリー～」など、人気作や話題作、新作が読める！
- Canonical
- Language
- ja
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- to-corona-ex.com
- Valid from
- Jul 16, 2026
- Valid to
- Oct 14, 2026
- Days until expiry
- 77
- SAN domains
- to-corona-ex.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 1 · H3 12
Links
38 internal · 10 external · 0 broken
Images
58 total · 0 missing alt
Scripts / Styles
12 scripts · 2 stylesheets
JS / CSS size
905 KB · 35.0 KB
Page size
196 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://to-corona-ex.com
- Final URL
- https://to-corona-ex.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 212 ms
- HTML size
- 196 KB
- Redirect chain
- https://to-corona-ex.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does to-corona-ex.com use?
- to-corona-ex.com is built with Next.js.
- Is to-corona-ex.com secure (HTTPS)?
- Yes. to-corona-ex.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 14, 2026.
- Who hosts to-corona-ex.com?
- to-corona-ex.com is hosted on AWS, behind Vercel CDN.
- What is to-corona-ex.com's SEO score?
- to-corona-ex.com scored 60/100 for SEO in the latest analysis (fair).
- What is to-corona-ex.com's overall website score?
- to-corona-ex.com has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card