20jack.com
後宮電影院 – 免費成人影片(免費A片.日本AV.國產AV.成人卡通.歐美影片)線上觀看
Last scanned Aug 24, 2026, 1:21 PM · 1 view
Overall score
Fair
Summary
This website uses WordPress. SEO is fair (55/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Top issues to fix
12 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+6 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
840 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Meta tags
- Title
- 後宮電影院 – 免費成人影片(免費A片.日本AV.國產AV.成人卡通.歐美影片)線上觀看
- Description
- Canonical
- Language
- zh-TW
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0
- Robots meta
- max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
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
- 20jack.com
- Valid from
- Jul 27, 2026
- Valid to
- Oct 25, 2026
- Days until expiry
- 61
- SAN domains
- 18jack.com, 20jack.com, 20jack.net, www.18jack.com, www.20jack.com, www.20jack.net
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 2
Links
46 internal · 11 external · 17 broken
Images
44 total · 4 missing alt
Scripts / Styles
17 scripts · 6 stylesheets
JS / CSS size
5.0 KB · 43.6 KB
Page size
140 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://20jack.com
- Final URL
- https://20jack.com
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 838 ms
- HTML size
- 140 KB
- Redirect chain
- https://20jack.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does 20jack.com use?
- 20jack.com is built with PHP, WordPress, WooCommerce, jQuery, Nginx.
- Is 20jack.com secure (HTTPS)?
- Yes. 20jack.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 25, 2026.
- Who hosts 20jack.com?
- Hosting provider information for 20jack.com is not available yet.
- What is 20jack.com's SEO score?
- 20jack.com scored 55/100 for SEO in the latest analysis (fair).
- What is 20jack.com's overall website score?
- 20jack.com has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card