🌐

seabourn.com

NL · Online since 29+ years
✓ HTTPS ✓ HTTP/2 Akamai ✓ Gzip 60.0% ⚡ 13392ms
seabourn.com Overview

Get a snapshot of seabourn.com's online performance, security posture, and technology profile.

seabourn.com Website Overview & Technology Report

82
Trust Score
Very Likely Safe
100
Security
Headers: 6/6
13392ms
Response
Slow
5
Technologies
Detected
🤖 AI Analysis

We performed a comprehensive analysis of seabourn.com on 2026-07-02. The website returned an HTTP 200 status code with a server response time of 13392ms. The page is served over HTTP/2 protocol with Gzip compression enabled, achieving approximately 60.0% size reduction. The total page weight is 267 KB. The website uses a secure HTTPS connection with a valid SSL certificate issued by DigiCert Inc (OV type). The connection is encrypted using TLS 1.3 with the TLS_AES_256_GCM_SHA384 cipher suite and sha256WithRSAEncryption signature algorithm. The certificate covers 2 domain(s) (Subject Alternative Names) and expires on 2026-12-16, which is 167 days from now. The security headers analysis reveals a score of 100/100 (excellent). The following security headers are properly configured: Content-Security-Policy, Strict-Transport-Security (HSTS), X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy. All recommended security headers are in place, providing comprehensive protection against common web attacks. Our technology detection scan identified 5 technologies across 5 categories powering seabourn.com. The detected stack includes React, Vite, Akamai, Adobe Fonts, and jQuery. The UI is built with React. Based on our comprehensive analysis of domain age, SSL configuration, email authentication, security headers, and blacklist status, seabourn.com receives an overall trust score of 82/100, classified as "Very Likely Safe".

Status Code200 OK
HTTP VersionHTTP/2
ServerApache
Page Size267 KB
Total Requests317
3rd Party Domains14
SSL CertificateDigiCert Inc (OV) · 167 days left
TLS VersionTLS 1.3
IP Address23.218.65.4
seabourn.com Trust & Safety

Evaluate trustworthiness based on age, SSL, email authentication, security headers, and blacklist status across 8 threat databases.

seabourn.com Trust Score & Safety Analysis

82
Trust Score
100
Security
🤖 Trust Analysis

After conducting a thorough safety and legitimacy analysis, seabourn.com receives a trust score of 82/100, which places it in the "Very 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, a valid SSL certificate issued by DigiCert Inc with 167 days until expiration, SPF (Sender Policy Framework) email authentication preventing email spoofing, DMARC email authentication with a reject policy — the strongest available setting, and a well-established domain registered for over 29.1 years, indicating long-term commitment and legitimacy. Areas of concern include: 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 seabourn.com 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. The domain is registered through MarkMonitor Inc. based in NL, with a registration date of 1997-05-22 and expiration date of 2026-12-07.

HTTPS + HSTS
+12
Domain Age (29 yrs)
+10
SPF + DMARC
+6
SSL Certificate
+7
Security Headers
+10

Security Headers

Content-Security-Policy✓ Set
HSTS✓ Set
X-Frame-Options✓ Set
X-Content-Type-Options✓ Set
Referrer-Policy✓ Set
Permissions-Policy✓ Set

Blacklist Checks 8/8 Clean ✓

Google Safe Browsing
Phishtank
Urlhaus
Openphish
Dnsfilter
Spamhaus Dbl
Surbl
Virustotal

Rankings & Estimates

Tranco Rank#57,475 worldwide

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seabourn.com Technology Stack 5 detected

Discover every technology powering this website — from CMS and frameworks to analytics, payments, and marketing tools.

seabourn.com Technology Stack & Detected Technologies

🤖 Stack Analysis

Our technology detection engine scanned seabourn.com and identified 5 distinct technologies across 5 categories. This analysis is performed by examining HTTP response headers, HTML source code patterns, JavaScript library fingerprints, CSS framework signatures, and DNS records. UI Library: React — handles the user interface rendering and component management for seabourn.com. Build Tool: Vite — bundles and optimizes the JavaScript and CSS assets for seabourn.com. CDN: Akamai — accelerates content delivery by caching assets at edge locations worldwide for seabourn.com. Fonts: Adobe Fonts — delivers web fonts for typography for seabourn.com. JavaScript Library: jQuery — provides utility functions and DOM manipulation for seabourn.com.

⚛️ UI Library
🔨 Build Tool
☁️ CDN
🔤 Fonts
📦 JavaScript Library
seabourn.com Performance & Web Vitals

Response time, compression, CDN usage, Core Web Vitals, and environmental impact metrics for seabourn.com.

seabourn.com Performance & Web Vitals Report

🤖 Performance Analysis

seabourn.com delivers its homepage in 13392ms (server response time), which is considered slow by industry standards. The total page weight is 267 KB, and we detected 317 resource requests loading assets from 14 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: 5 out of 5 CSS files and 10 out of 16 JavaScript files are minified. Minifying the remaining 6 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 seabourn.com produces approximately 0.13g of CO₂, earning a carbon rating of A. This places the website among the cleanest on the web, demonstrating efficient use of server resources and optimized content delivery. For reference, the average web page produces about 0.5g of CO₂ per page view. The page weight of 267 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for seabourn.com. 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.

Response Time13392ms Slow
Page Size267 KB
CompressionGzip 60.0% savings
CDNAkamai ✓ Active
Carbon / Page View0.13g · Rating A
seabourn.com DNS & Domain Info

Complete DNS record analysis including email authentication (SPF, DMARC, DKIM), registrar details, and subdomain discovery.

seabourn.com DNS Records, Email Authentication & Domain Registration

🤖 DNS Analysis

seabourn.com resolves to the IPv4 address 23.218.65.4, 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 8 name servers: eur2.akam.net, eur6.akam.net, ns1-185.akam.net, ns1-195.akam.net, usc4.akam.net, use2.akam.net, use9.akam.net, and usw1.akam.net. Having 8 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 seabourn.com is handled by Microsoft 365 with 1 MX records configured: carnival-com.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 reject policy — the strongest setting, instructing receiving servers to reject unauthorized emails entirely. DKIM was not detected. Without DKIM, recipients cannot cryptographically verify that emails claiming to be from this domain are authentic. DNSSEC is not enabled for seabourn.com. 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. The domain is registered through MarkMonitor Inc. (NL). It was first registered on 1997-05-22 and is set to expire on 2026-12-07, making it 29.1 years old. Our subdomain enumeration scan discovered 3 active subdomains for seabourn.com: blog.seabourn.com, mail.seabourn.com, and www.seabourn.com. Active subdomains can reveal the organization's infrastructure, including development environments, API endpoints, and third-party service integrations.

IP Address23.218.65.4
ASNAS16625 · Akamai Technologies, Inc.
LocationHaarlem, NL
Nameserverseur2.akam.net
MX ProviderMicrosoft 365 (carnival-com.mail.protection.outlook.com)
RegistrarMarkMonitor Inc.
Registered1997-05-22 (29 yrs)
Expires2026-12-07
CountryNL
SPF✓ Configured
DMARC✓ reject
DMARC Recordv=DMARC1; p=reject; rua=mailto:carnivaldmarc@hollandamerica.com, mailto:dmarc_agg@dmarc.everest.email; ruf=mailto:dmarc_
DKIM✗ Not found
DNSSEC✗ Not enabled
IPv6Not detected
WHOIS Privacy🔒 Private

Subdomains 3 found

blogmailwww

TXT Records / Service Verifications 21

Atlassian ✓ Google ✓ Facebook ✓ Apple ✓ Openai ✓ Onetrust ✓ +15 more
seabourn.com Page Analysis

Content structure, media assets, cookie usage, payment methods, and social media presence for seabourn.com.

seabourn.com Page Content Analysis

🤖 Content Analysis

The homepage of seabourn.com contains 1,144 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 13 H2 headings, 16 H3 headings, 0 H4 headings, 2 H5, and 0 H6 headings. The page includes 63 images. 30 images (48%) are missing alt text attributes, which is a significant concern for both accessibility and SEO. Screen readers rely on alt text to describe images to visually impaired users, and search engines use alt text to understand image content. Only 52% of images have proper alt text — we recommend adding descriptive alt attributes to all images. The link structure consists of 192 internal links pointing to other pages on the same domain and 17 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 16 external JavaScript files, 5 CSS stylesheets, and 0 iframes on the page. The site implements the following web standards and features: robots.txt (controls search engine crawling behavior) and Schema.org structured data (ContactPoint, LocalBusiness, Organization, PostalAddress, TravelAgency, and WebSite). Notable missing features: XML Sitemap. Adding these could improve search engine discoverability and rich result eligibility. We detected the following payment methods accepted on seabourn.com: Discover. 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 5 platforms: Facebook (@Seabourn), Twitter (@SeabournCruise), Instagram (@seabourncruise), Linkedin (@seabourn-cruise-line), and Pinterest (@seabourncruise). An active social media presence is a positive trust indicator and helps build brand awareness and customer engagement.

Word Count1,144 words
Images63 total · 30 missing alt · 52% alt coverage
Internal Links192
External Links17
JS Files16
CSS Files5
Cookies1 detected (languageCode=en_EU)

Payment Methods

💳 Discover

Social Media Presence 5 platforms

📘 Facebook 𝕏 Twitter 📸 Instagram 💼 Linkedin 📌 Pinterest
seabourn.com SEO & Content Analysis

Evaluate on-page SEO factors including meta tags, Schema.org markup, content metrics, social presence, and environmental impact.

seabourn.com SEO Analysis, Meta Tags & Content

🤖 SEO Analysis

The title tag for seabourn.com is well-optimized at 57 characters: "Best Ultra-Luxury Cruise Lines - All Inclusive | Seabourn". The length falls within the ideal range for Google search results, ensuring the full title is displayed without truncation. The meta description is 158 characters (acceptable): "Seabourn welcomes you to sail the ocean in ultra-luxury, on our fleet of private, yacht-like ships, with our elite Exped...". 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.seabourn.com/en/eu, preventing duplicate content issues, the page language is declared as en, the meta robots directive is set to max-image-preview:large, index,follow, and a favicon is configured. No Open Graph tags are configured. When someone shares a link to seabourn.com on social media, the platform will have to guess the title, description, and image — often producing unattractive or inaccurate previews. Adding OG tags is essential for social media marketing. 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: ContactPoint, LocalBusiness, Organization, PostalAddress, TravelAgency, 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.

TitleBest Ultra-Luxury Cruise Lines - All Inclusive | Seabourn
H1FOLLOW US
Word Count1,144 words
Images63 total · 30 missing alt
Internal Links192
External Links17
JS Files16
CSS Files5
Heading StructureH2:13 · H3:16 · H5:2
Cookies1 detected (languageCode=en_EU)
Meta Robotsmax-image-preview:large, index,follow
Redirect Chainhttps://seabourn.comhttps://seabourn.com/en/euhttps://www.seabourn.com/en/eu
MinificationJS: 10/16 minified · CSS: 5/5 minified
Sitemap✗ Not found
Robots.txt✓ Found
Canonical✓ Set
Languageen
Schema.orgContactPoint, LocalBusiness, Organization, PostalAddress, TravelAgency, WebSite
Open GraphNot set
Twitter Card✓ Summary
PWANot detected
RSS FeedNot detected
AMPNot detected
Carbon / Visit0.13g · Rating A

Google SERP Preview

Best Ultra-Luxury Cruise Lines - All Inclusive | Seabourn
https://seabourn.com
Seabourn welcomes you to sail the ocean in ultra-luxury, on our fleet of private, yacht-like ships, with our elite Expedition Team, and award-winning service.

META TAGS & SCHEMA.ORG

META TAGS

TitleBest Ultra-Luxury Cruise Lines - All Inclusive | Seabourn
Title Length57 chars Good
Meta Desc Length158 chars Good
H1FOLLOW US
Languageen
Canonical✓ Set
Meta Robotsmax-image-preview:large, index,follow

SCHEMA.ORG & SOCIAL

Schema TypesContactPoint, LocalBusiness, Organization, PostalAddress, TravelAgency, WebSite
OG Type
OG ImageNot set
Twitter Card✓ Summary
Favicon✓ Found

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