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centum.no

HTTPS HTTP/2 HSTS Gzip Crawled in 18,434ms · June 27, 2026 14:36 UTC

centum.no Website Overview & Technology Report

🤖 AI Summary
We performed a comprehensive analysis of centum.no on 2026-06-27. The website returned an HTTP 200 status code with a server response time of 6840ms. The page is served over HTTP/2 protocol with Gzip compression enabled, achieving approximately 60.0% size reduction. The total page weight is 108 KB, and the site is served behind a CDN (Content Delivery Network). 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 2 technologies across 2 categories powering centum.no. The detected stack includes Vite and Google Tag Manager. Based on our comprehensive analysis of domain age, SSL configuration, email authentication, security headers, and blacklist status, centum.no 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 Time6840ms
ProtocolHTTP/2
Page Size108 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Server
Total Requests87
3rd Party Domains7
Redirect1 hop(s)
Detected Technologies (2)
🔨 Vite 🏷️ Google Tag Manager
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
IssuerAmazon
Issuer FullcountryName=US, organizationName=Amazon, commonName=Amazon RSA 2048 M04
SubjectcommonName=centum.no
Type
TLS VersionTLS 1.3
Cipher SuiteTLS_AES_128_GCM_SHA256
Algorithm
Issued
Expires— (? days)
SANs

centum.no Trust Score & Safety Analysis

🤖 AI Summary
After conducting a thorough safety and legitimacy analysis, centum.no 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 centum.no 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

centum.no Technology Stack & Detected Technologies

🤖 AI Summary
Our technology detection engine scanned centum.no and identified 2 distinct technologies across 2 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 centum.no. Tag Manager: Google Tag Manager — manages marketing and analytics tags without code changes for centum.no. We also extracted the following tracking identifiers: Google Tag Manager container GTM-TB742WD. These IDs can be used to identify other websites operated by the same organization.
Build Tool
🔨 Vite(95%)
Tag Manager
🏷️ Google Tag Manager(95%)
Tracking IDs
gtm_idGTM-TB742WD

centum.no Performance, Speed & Core Web Vitals

🤖 AI Summary
centum.no delivers its homepage in 6840ms (server response time), which is considered slow by industry standards. The total page weight is 108 KB, and we detected 87 resource requests loading assets from 7 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 18 CSS files and 0 out of 1 JavaScript files are minified. Minifying the remaining 19 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. The site is served through a Content Delivery Network (CDN), which caches static assets at edge servers around the world. This means visitors from different geographic regions receive content from the nearest edge server, significantly reducing latency. CDN usage is particularly important for websites with a global audience, as it can reduce page load times by 40-60% for distant visitors. From an environmental perspective, each page view of centum.no produces approximately 0.05g 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 108 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for centum.no. 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 view0.05g
RatingA
Page Weight & Optimization
HTML Size108 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Total Requests87
3rd Party Domains7
CSS Minified0/18
JS Minified0/1

centum.no DNS Records, Email Authentication & Domain Registration

🤖 AI Summary
centum.no resolves to the IPv4 address 13.33.235.49, 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 4 A record(s) configured. The domain name system is managed by 4 name servers: ns-1354.awsdns-41.org, ns-1641.awsdns-13.co.uk, ns-189.awsdns-23.com, and ns-685.awsdns-21.net. Having 4 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 centum.no is handled by Microsoft 365 with 1 MX records configured: centum-no.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 centum.no. 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 centum.no: staging.centum.no and www.centum.no. Active subdomains can reveal the organization's infrastructure, including development environments, API endpoints, and third-party service integrations.
DNS Records
A
13.33.235.49
13.33.235.2
13.33.235.83
13.33.235.12
NS
ns-1354.awsdns-41.org
ns-1641.awsdns-13.co.uk
ns-189.awsdns-23.com
ns-685.awsdns-21.net
MX
centum-no.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)
staging.centum.no www.centum.no

centum.no Page Content, Images & Accessibility

🤖 AI Summary
The homepage of centum.no contains 618 words of visible text content. This is a moderate amount of content. The page is structured with 3 H2 headings, 1 H3 headings, 0 H4 headings. The page includes 11 images. 3 images (27%) 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 73% of images have proper alt text — we recommend adding descriptive alt attributes to all images. The link structure consists of 24 internal links pointing to other pages on the same domain and 4 external links pointing to third-party websites. There are 1 external JavaScript files, 18 CSS stylesheets, and 1 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 (Answer, FAQPage, Question, WebPage, and WebSite).
618
Words
11
Images
73%
Alt Text Score
108
Page Size (KB)
Content Structure
H1Beregn din månedskostnad
H2 Tags3
H3 Tags1
H4 Tags0
H5 Tags0
H6 Tags0
Internal Links24
External Links4
Assets & Features
JavaScript Files1
JS Minified0/1
CSS Files18
CSS Minified0/18
Iframes1
Images11
Missing Alt3
SitemapYes ✓
Robots.txtYes ✓
PWANo
AMPNo
RSS FeedNo
Schema.org Types
AnswerFAQPageQuestionWebPageWebSite

centum.no SEO Analysis, Meta Tags & Open Graph

🤖 AI Summary
The title tag for centum.no is good at 64 characters: "Sammenlign lån og finn det billigste lånet på centum.no | Centum". The length is acceptable, though it may be slightly truncated in some search result displays. The meta description is 159 characters (acceptable): "Sammenlign lån på Centum.no for å finne det billigste lånet på nett! Vi hjelper deg med å finne de beste alternativene p...". 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.centum.no/, preventing duplicate content issues, the page language is declared as nb, the meta robots directive is set to index, follow, and a favicon is configured. Open Graph meta tags are configured with 3/4 recommended fields: OG title ("Sammenlign lån og finn det billigste lånet på centum.no | Ce..."), OG description, 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. The site implements Schema.org structured data with the following types: Answer, FAQPage, Question, WebPage, 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
Sammenlign lån og finn det billigste lånet på centum.no | Centum
https://centum.no
Sammenlign lån på Centum.no for å finne det billigste lånet på nett! Vi hjelper deg med å finne de beste alternativene på lån for nettopp dine behov og penger.
Meta Tags
TitleSammenlign lån og finn det billigste lånet på centum.no | Ce...
Title Length64 chars
Meta Desc Length159 chars
H1Beregn din månedskostnad
Languagenb
Canonicalhttps://www.centum.no/
Meta Robotsindex, follow
Meta Keywordsnot set
Schema.org & Social
Schema TypesAnswer, FAQPage, Question, WebPage, WebSite
OG Typewebsite
OG ImageNot set
Twitter Card
FaviconSet ✓