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12seemeilen.de

HTTPS HTTP/2 HSTS Gzip Crawled in 50,921ms · June 27, 2026 14:11 UTC

12seemeilen.de Website Overview & Technology Report

🤖 AI Summary
We performed a comprehensive analysis of 12seemeilen.de on 2026-06-27. The website returned an HTTP 200 status code with a server response time of 27511ms. The page is served over HTTP/2 protocol with Gzip compression enabled, achieving approximately 60.0% size reduction. The total page weight is 2276 KB. Warning: The website does not have a valid SSL certificate. Visitors may see security warnings in their browser, and data transmitted to and from this website is not encrypted. The security headers analysis reveals a score of 65/100 (moderate). The following security headers are properly configured: Strict-Transport-Security (HSTS), X-Frame-Options, X-Content-Type-Options, and Referrer-Policy. However, the site is missing Content-Security-Policy and Permissions-Policy, which could expose the site and its users to cross-site scripting (XSS), clickjacking, and other web-based attacks. Our technology detection scan identified 3 technologies across 3 categories powering 12seemeilen.de. The detected stack includes Vite, Google Tag Manager, and reCAPTCHA v3. Based on our comprehensive analysis of domain age, SSL configuration, email authentication, security headers, and blacklist status, 12seemeilen.de receives an overall trust score of 75/100, classified as "Likely Safe".
75
/ 100
Trust Score
65
/ 100
Security Headers
HTTP Response
Status200 OK
Response Time27511ms
ProtocolHTTP/2
Page Size2276 KB
CompressionGzip
Compression Savings~60.0%
CDNNo
Servernginx
Total Requests1293
3rd Party Domains10
Redirect1 hop(s)
Detected Technologies (3)
🔨 Vite 🏷️ Google Tag Manager 🔒 reCAPTCHA v3
Security Headers
Content-Security-Policy
Not set
Strict-Transport-Security (HSTS)
Set ✓
X-Frame-Options
Set ✓
X-Content-Type-Options
Set ✓
Referrer-Policy
Set ✓
Permissions-Policy
Not set
SSL Certificate
IssuerLet's Encrypt
Issuer FullcountryName=US, organizationName=Let's Encrypt, commonName=R12
SubjectcommonName=12sm.de
Type
TLS VersionTLS 1.3
Cipher SuiteTLS_AES_256_GCM_SHA384
Algorithm
Issued
Expires— (? days)
SANs

12seemeilen.de Trust Score & Safety Analysis

🤖 AI Summary
After conducting a thorough safety and legitimacy analysis, 12seemeilen.de receives a trust score of 75/100, which places it in the "Likely Safe" category. This score is calculated by evaluating multiple factors including SSL certificate validity, domain registration history, email authentication protocols, security header configuration, and blacklist status across major threat intelligence databases. The analysis identified several positive trust signals: a valid HTTPS connection protecting data in transit, HSTS (HTTP Strict Transport Security) enforcement preventing protocol downgrade attacks, SPF (Sender Policy Framework) email authentication preventing email spoofing, DMARC email authentication with a quarantine policy, and DKIM (DomainKeys Identified Mail) providing cryptographic email verification. Areas of concern include: the absence of a Content-Security-Policy header, which leaves the site more vulnerable to cross-site scripting (XSS) attacks, the domain's WHOIS information is hidden behind a privacy service, making it harder to verify the owner's identity, and DNSSEC is not enabled, leaving DNS queries vulnerable to spoofing attacks. While these issues don't necessarily indicate malicious intent, they represent areas where the website's security posture could be improved. We checked 12seemeilen.de against 8 major blacklist databases including Google Safe Browsing, Phishtank, Urlhaus, Openphish, Dnsfilter, Spamhaus Dbl, Surbl, and Virustotal. The domain passed all 8 checks with a clean status, meaning it has not been flagged for phishing, malware distribution, spam, or other malicious activities by any of the tested threat intelligence providers.
75
/ 100
Likely Safe
Trust Signals
Valid HTTPS
HSTS enabled
SPF configured
DMARC configured (p=quarantine)
DKIM configured
⚠️ DNSSEC not enabled
Sitemap.xml found
Robots.txt found
⚠️ Missing Content-Security-Policy
Blacklist Checks (8/8 clean)
Google Safe Browsing clean
Phishtank clean
Urlhaus clean
Openphish clean
Dnsfilter clean
Spamhaus Dbl clean
Surbl clean
Virustotal clean

12seemeilen.de Technology Stack & Detected Technologies

🤖 AI Summary
Our technology detection engine scanned 12seemeilen.de and identified 3 distinct technologies across 3 categories. This analysis is performed by examining HTTP response headers, HTML source code patterns, JavaScript library fingerprints, CSS framework signatures, and DNS records. Build Tool: Vite — bundles and optimizes the JavaScript and CSS assets for 12seemeilen.de. Tag Manager: Google Tag Manager — manages marketing and analytics tags without code changes for 12seemeilen.de. Security: reCAPTCHA v3 — provides security features like bot detection and CAPTCHA for 12seemeilen.de. We also extracted the following tracking identifiers: Google Tag Manager container GTM-PDPMTLH2. These IDs can be used to identify other websites operated by the same organization.
Build Tool
🔨 Vite(95%)
Tag Manager
🏷️ Google Tag Manager(95%)
Security
🔒 reCAPTCHA v3(95%)
Tracking IDs
gtm_idGTM-PDPMTLH2

12seemeilen.de Performance, Speed & Core Web Vitals

🤖 AI Summary
12seemeilen.de delivers its homepage in 27511ms (server response time), which is considered slow by industry standards. The total page weight is 2276 KB, and we detected 1293 resource requests loading assets from 10 third-party domains. A high number of third-party domains can significantly impact page load time due to additional DNS lookups and TLS handshakes required for each domain. The website uses Gzip compression for text-based assets, achieving an estimated 60.0% reduction in transfer size. This reduces bandwidth usage and improves page load times, especially for visitors on slower connections. Asset minification status: 0 out of 1 CSS files and 0 out of 14 JavaScript files are minified. Minifying the remaining 15 unminified file(s) could further reduce page weight by 10-30% for those assets. Minification is a best practice that reduces download sizes without affecting functionality. From an environmental perspective, each page view of 12seemeilen.de produces approximately 1.11g of CO₂, earning a carbon rating of F. The website's carbon footprint could be reduced by optimizing images, enabling compression, reducing third-party scripts, and leveraging caching. For reference, the average web page produces about 0.5g of CO₂ per page view. The page weight of 2276 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for 12seemeilen.de. This typically means the site doesn't have enough real-world Chrome user traffic to generate statistically significant field data, or the domain is not included in the CrUX dataset. Core Web Vitals (LCP, INP, CLS) are important Google ranking factors that measure real user experience.
Core Web Vitals data not available
Requires CrUX API key configuration
Carbon Footprint
CO₂ per page view1.11g
RatingF
Page Weight & Optimization
HTML Size2276 KB
CompressionGzip
Compression Savings~60.0%
CDNNo
Total Requests1293
3rd Party Domains10
CSS Minified0/1
JS Minified0/14

12seemeilen.de DNS Records, Email Authentication & Domain Registration

🤖 AI Summary
12seemeilen.de resolves to the IPv4 address 162.55.15.59, but does not support IPv6. IPv6 adoption is increasingly important as IPv4 address space becomes exhausted, and some ISPs and regions are transitioning to IPv6-only connectivity. The domain has 1 A record(s) configured. The domain name system is managed by 3 name servers: ns.inwx.de, ns2.inwx.de, and ns3.inwx.de. Having 3 name servers provides good redundancy — if one fails, the others can continue serving DNS queries. The choice of name servers often indicates the DNS hosting provider or CDN service being used. Email for 12seemeilen.de is handled by Microsoft 365 with 1 MX records configured: 12miglianautiche-it.mail.protection.outlook.com. Multiple MX records provide failover redundancy — if the primary mail server is unavailable, email will be routed to the next available server. SPF (Sender Policy Framework) is configured, which specifies which mail servers are authorized to send email on behalf of this domain. This helps prevent email spoofing and improves email deliverability. DMARC (Domain-based Message Authentication, Reporting and Conformance) is configured with a quarantine policy — a moderate setting, directing unauthorized emails to spam/junk folders. DKIM (DomainKeys Identified Mail) is configured, adding a cryptographic signature to outgoing emails that receiving servers can verify to confirm the email hasn't been tampered with in transit. DNSSEC is not enabled for 12seemeilen.de. While not critical for most websites, DNSSEC adds an important security layer by ensuring DNS responses haven't been tampered with during transit. Enabling DNSSEC is recommended for domains handling sensitive data or financial transactions. Our subdomain enumeration scan discovered 2 active subdomains for 12seemeilen.de: mail.12seemeilen.de and www.12seemeilen.de. Active subdomains can reveal the organization's infrastructure, including development environments, API endpoints, and third-party service integrations.
DNS Records
A
162.55.15.59
NS
ns.inwx.de
ns2.inwx.de
ns3.inwx.de
MX
12miglianautiche-it.mail.protection.outlook.com
Email & Authentication
SPF
DMARC p=quarantine
DKIM
DNSSEC
MX ProviderMicrosoft 365
Registrar
Organisation
Country
Contact
Registered
Expires
Domain Age
IPv6 SupportNo
Subdomains (2 found)
mail.12seemeilen.de www.12seemeilen.de

12seemeilen.de Page Content, Images & Accessibility

🤖 AI Summary
The homepage of 12seemeilen.de contains 4,946 words of visible text content. This is a substantial amount of content that provides good opportunities for search engine indexing. The page is structured with 15 H2 headings, 14 H3 headings, 0 H4 headings, 1 H5, and 0 H6 headings. The page includes 81 images. All images have proper alt text attributes ✓, which is excellent for both accessibility (screen readers) and SEO (search engines can understand image content). The link structure consists of 951 internal links pointing to other pages on the same domain and 11 external links pointing to third-party websites. The high number of internal links suggests a well-interconnected site structure, which helps search engines discover and crawl all pages efficiently. There are 14 external JavaScript files, 1 CSS stylesheets, and 0 iframes on the page. The site implements the following web standards and features: XML Sitemap (helps search engines discover all pages), robots.txt (controls search engine crawling behavior), and Schema.org structured data (EntryPoint, SearchAction, and WebSite). We detected the following payment methods accepted on 12seemeilen.de: American Express, Discover, Google Pay, and Klarna. Offering multiple payment options including credit cards and digital wallets improves customer trust and can increase conversion rates. The website has social media presence across 3 platforms: Facebook (@12seemeilen), Twitter (@12seemeilen), and Instagram (@12seemeilen). An active social media presence is a positive trust indicator and helps build brand awareness and customer engagement.
4,946
Words
81
Images
100%
Alt Text Score
2276
Page Size (KB)
Content Structure
H1
H2 Tags15
H3 Tags14
H4 Tags0
H5 Tags1
H6 Tags0
Internal Links951
External Links11
Assets & Features
JavaScript Files14
JS Minified0/14
CSS Files1
CSS Minified0/1
Iframes0
Images81
Missing Alt0
SitemapYes ✓
Robots.txtYes ✓
PWANo
AMPNo
RSS FeedNo
Schema.org Types
EntryPointSearchActionWebSite
Payment Methods Detected
💳 American Express💳 Discover💳 Google Pay💳 Klarna
Social Media Presence
Facebook: @12seemeilenTwitter: @12seemeilenInstagram: @12seemeilen

12seemeilen.de SEO Analysis, Meta Tags & Open Graph

🤖 AI Summary
The title tag for 12seemeilen.de is well-optimized at 60 characters: "Bootszubehör und Segelbekleidung online kaufen ➨ 12seemeilen". The length falls within the ideal range for Google search results, ensuring the full title is displayed without truncation. The meta description is 188 characters (slightly long): "Du sucht neue Segelbekleidung für deinen nächsten Törn? Oder neue Deckbeschläge für dein Boot? Dann komm in den Online-S...". Google typically displays up to 155-160 characters of the meta description in search results. A compelling meta description with a clear call-to-action can significantly improve click-through rates from search results. The canonical url is correctly set to https://www.12seemeilen.de/, preventing duplicate content issues, the page language is declared as de-de, the meta robots directive is set to index,follow, and a favicon is configured. Open Graph meta tags are configured with 4/4 recommended fields: OG title ("Bootszubehör und Segelbekleidung online kaufen ➨ 12seemeilen..."), OG description, OG image (social sharing thumbnail), OG type (website). These tags control how the page appears when shared on Facebook, LinkedIn, and other social media platforms that support the Open Graph protocol. A Twitter Card of type summary is configured, which controls how links appear when shared on Twitter/X. The "summary" type displays a large image preview, which typically generates higher engagement rates than the basic card type. The site implements Schema.org structured data with the following types: EntryPoint, SearchAction, and WebSite. Structured data helps search engines understand the page content and can enable rich results (featured snippets, knowledge panels, star ratings) in Google search results, which can significantly increase click-through rates.
Google SERP Preview
Bootszubehör und Segelbekleidung online kaufen ➨ 12seemeilen
https://12seemeilen.de
Du sucht neue Segelbekleidung für deinen nächsten Törn? Oder neue Deckbeschläge für dein Boot? Dann komm in den Online-Shop von 12seemeilen.de und profitiere von unseren niedrigen Preisen.
Meta Tags
TitleBootszubehör und Segelbekleidung online kaufen ➨ 12seemeilen...
Title Length60 chars
Meta Desc Length188 chars
H1
Languagede-DE
Canonicalhttps://www.12seemeilen.de/
Meta Robotsindex,follow
Meta Keywordsnot set
Schema.org & Social
Schema TypesEntryPoint, SearchAction, WebSite
OG Typewebsite
OG ImageSet ✓
Twitter Cardsummary
FaviconSet ✓
Open Graph Preview
12seemeilen.de
Bootszubehör und Segelbekleidung online kaufen ➨ 12seemeilen
Du sucht neue Segelbekleidung für deinen nächsten Törn? Oder neue Deckbeschläge für dein Boot? Dann komm in den Online-Shop von 12seemeilen.de und profitiere vo