ertk.net website report
エロチカ
Last scanned
Overall score
Great
About ertk.net
ertk.net is a website. It describes itself as “エロチカは、AV女優やグラビアアイドル、着エロ作品の最新画像と動画を毎日紹介しているアダルトまとめサイトです。話題の作品・人気女優の情報が満載。”. The site runs on WordPress.
Score profile
Top issues to fix
7 issues found · 2 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 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.
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.
Technology stack
ertk.net is built with WordPress, jQuery, Nginx and Google Analytics.
Hosting & DNS
- IP address
- 153.125.239.149
- ASN
- —
- IPv6
- Not supported
- HTTP
- HTTP/1.1
Show DNS record values
- A
- 153.125.239.149
- MX
- www2578.sakura.ne.jp
- NS
- 02.dnsv.jp, 01.dnsv.jp, 04.dnsv.jp, 03.dnsv.jp
TXT record contents are not republished; only their count is shown.
Security
ertk.net uses TLS 1.2 with a certificate valid for 63 more days and sets 1 of 6 recommended security headers.
Security headers1 of 6 set
- HSTSForces HTTPS
- CSPBlocks injected scripts
- X-Frame-OptionsStops clickjacking
- X-Content-TypeStops MIME sniffing
- Referrer-PolicyLimits URL leakage
- Permissions-PolicyRestricts browser features
TLS certificate
- Names covered
- 1
- Cookies set
- 0
Email security
ertk.net scores D for email security, with SPF and no DMARC policy.
- SPFGood
Rejects senders not listed (-all).
- DMARCNot set
No DMARC policy: forged mail is not told to be rejected.
- MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
- BIMINot set
Not published (optional).
Performance & carbon
ertk.net scores 85/100 for performance, with an estimated load time of 0.3 s. A visit emits an estimated 0.48 g of CO2 (grade C).
Page weight
- HTML 133 KB
- JavaScript 1.0 MB
- CSS 142 KB
- Est. load
- 254 ms
- Response
- 252 ms
- Scripts / CSS
- 54 / 6
Carbon per visitC
0.48 g CO2 per uncached view
Estimate from the Sustainable Web Design model. HTML, JavaScript and CSS only; images, video and fonts are not measured. Treat it as a lower bound for comparing pages, not an audit.
SEO & accessibility
ertk.net scores 90/100 for SEO and 100/100 for accessibility, with 2 SEO issues to fix.
Heading structure
36 H1s; one is the convention.
Image alt text
49 images · 9 without alt text · 0 lazy-loaded
Links
- Internal 199
- External 58
- Broken 3
SEO issues2
- Meta description longer than 160 characters
- Multiple H1 headings found
Accessibility issues0
No accessibility issues detected.
Technical details
Page metadata, social tags, crawl files and scan information.
Meta tags
- Title
- エロチカ
- Description
- エロチカは、AV女優やグラビアアイドル、着エロ作品の最新画像と動画を毎日紹介しているアダルトまとめサイトです。話題の作品・人気女優の情報が満載。
- Canonical
- https://ertk.net
- Language
- ja
- Robots meta
- max-image-preview:large
Crawl files
- robots.txt
- Found
- Disallow rules
- 5
- sitemap.xml
- Found
- URLs in sitemap
- -1
Structured data
- Microdata items
- 0
- RDFa items
- 0
Scan
- Final URL
- https://ertk.net
- HTTP status
- 200
- Redirects
- https://ertk.net
- Scanned
- Aug 24, 2026, 1:23 PM
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Frequently asked questions about ertk.net
- What is ertk.net?
- ertk.net is a website. It describes itself as “エロチカは、AV女優やグラビアアイドル、着エロ作品の最新画像と動画を毎日紹介しているアダルトまとめサイトです。話題の作品・人気女優の情報が満載。”. The site runs on WordPress.
- What technology does ertk.net use?
- ertk.net is built with WordPress, jQuery, Nginx and Google Analytics.
- Is ertk.net secure?
- ertk.net uses TLS 1.2 with a certificate valid for 63 more days and sets 1 of 6 recommended security headers.
- Is ertk.net protected against email spoofing?
- ertk.net scores D for email security, with SPF and no DMARC policy.
- What is ertk.net's overall score?
- ertk.net has an overall SiteGraph score of 85/100, combining SEO (90), performance (85), security (65) and accessibility (100).
Open Graph & Twitter