dlsite.com
DLsite：同人誌、同人ゲームからPCソフト、コミックまで二次元総合ダウンロードショップ | DLsite 総合トップページ
Last scanned Jul 18, 2026, 8:49 PM
Overall score
Great
Top issues to fix
7 issues found · 1 high priority
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
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.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
+1 more issue — details in the sections below.
Summary
同人誌・同人ゲーム・同人ボイス・ASMRまで毎日更新、すぐにダウンロード。1,712万ユーザー、13.2万サークル、210万作品を突破！国内最大級の二次元総合ダウンロー… This website uses jQuery hosted on Cloudflare behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (95/100). Security scores excellent (95/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
SEO
5 issue(s) found
Performance
399 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- DLsite：同人誌、同人ゲームからPCソフト、コミックまで二次元総合ダウンロードショップ | DLsite 総合トップページ
- Description
- 同人誌・同人ゲーム・同人ボイス・ASMRまで毎日更新、すぐにダウンロード。1,712万ユーザー、13.2万サークル、210万作品を突破！国内最大級の二次元総合ダウンロードショップDLsite！
- Canonical
- Language
- ja
- Charset
- utf-8
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.3.173
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.dlsite.com
- Valid from
- Jul 16, 2026
- Valid to
- Oct 14, 2026
- Days until expiry
- 87
- SAN domains
- www.dlsite.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 15 · H2 0 · H3 84
Links
41 internal · 32 external · 0 broken
Images
29 total · 0 missing alt
Scripts / Styles
16 scripts · 7 stylesheets
JS / CSS size
71.1 KB · 224 KB
Page size
205 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 34
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
Accessibility issues
- Missing viewport meta tag
Scan details
- Requested URL
- https://dlsite.com
- Final URL
- https://www.dlsite.com/index.html
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 395 ms
- HTML size
- 205 KB
- Redirect chain
- https://dlsite.com → https://www.dlsite.com/ → https://www.dlsite.com/index.html
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Frequently asked questions
- What technology does dlsite.com use?
- dlsite.com is built with jQuery.
- Is dlsite.com secure (HTTPS)?
- Yes. dlsite.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 14, 2026.
- Who hosts dlsite.com?
- dlsite.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is dlsite.com's SEO score?
- dlsite.com scored 70/100 for SEO in the latest analysis (fair).
- What is dlsite.com's overall website score?
- dlsite.com has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card