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casema.nl

HTTPS HTTP/2 HSTS Gzip Crawled in 17,413ms · June 27, 2026 14:00 UTC

casema.nl Website Overview & Technology Report

🤖 AI Summary
We performed a comprehensive analysis of casema.nl on 2026-06-27. The website returned an HTTP 200 status code with a server response time of 9400ms. The page is served over HTTP/2 protocol with Gzip compression enabled, achieving approximately 60.0% size reduction. The total page weight is 331 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 85/100 (good). The following security headers are properly configured: Content-Security-Policy, Strict-Transport-Security (HSTS), X-Frame-Options, X-Content-Type-Options, and Permissions-Policy. However, the site is missing Referrer-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 casema.nl. The detected stack includes Google Analytics 4 and Google Tag Manager. Based on our comprehensive analysis of domain age, SSL configuration, email authentication, security headers, and blacklist status, casema.nl receives an overall trust score of 77/100, classified as "Likely Safe".
77
/ 100
Trust Score
85
/ 100
Security Headers
HTTP Response
Status200 OK
Response Time9400ms
ProtocolHTTP/2
Page Size331 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Server
Total Requests326
3rd Party Domains19
Redirect1 hop(s)
Detected Technologies (2)
📊 Google Analytics 4 🏷️ Google Tag Manager
Security Headers
Content-Security-Policy
Set ✓
Strict-Transport-Security (HSTS)
Set ✓
X-Frame-Options
Set ✓
X-Content-Type-Options
Set ✓
Referrer-Policy
Not set
Permissions-Policy
Set ✓
SSL Certificate
Issuer
Issuer Full
Subject
Type
TLS Version
Cipher Suite
Algorithm
Issued
Expires— (? days)
SANs

casema.nl Trust Score & Safety Analysis

🤖 AI Summary
After conducting a thorough safety and legitimacy analysis, casema.nl receives a trust score of 77/100, 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 reject policy — the strongest available setting, and DNSSEC providing authenticated DNS responses. Areas of concern include: missing Referrer-Policy, potentially leaking URL information to third parties and the domain's WHOIS information is hidden behind a privacy service, making it harder to verify the owner's identity. While these issues don't necessarily indicate malicious intent, they represent areas where the website's security posture could be improved. We checked casema.nl 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.
77
/ 100
Likely Safe
Trust Signals
Valid HTTPS
HSTS enabled
SPF configured
DMARC configured (p=reject)
DNSSEC enabled
⚠️ Missing Referrer-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

casema.nl Technology Stack & Detected Technologies

🤖 AI Summary
Our technology detection engine scanned casema.nl 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. Analytics: Google Analytics 4 — tracks visitor behavior and provides traffic insights for casema.nl. Tag Manager: Google Tag Manager — manages marketing and analytics tags without code changes for casema.nl. We also extracted the following tracking identifiers: Google Tag Manager container GTM-TNQMGBN. These IDs can be used to identify other websites operated by the same organization.
Analytics
📊 Google Analytics 4(95%)
Tag Manager
🏷️ Google Tag Manager(95%)
Tracking IDs
gtm_idGTM-TNQMGBN

casema.nl Performance, Speed & Core Web Vitals

🤖 AI Summary
casema.nl delivers its homepage in 9400ms (server response time), which is considered slow by industry standards. The total page weight is 331 KB, and we detected 326 resource requests loading assets from 19 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 2 CSS files and 0 out of 8 JavaScript files are minified. Minifying the remaining 10 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 casema.nl produces approximately 0.16g of CO₂, earning a carbon rating of B. 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 331 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for casema.nl. 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 view0.16g
RatingB
Page Weight & Optimization
HTML Size331 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Total Requests326
3rd Party Domains19
CSS Minified0/2
JS Minified0/8

casema.nl DNS Records, Email Authentication & Domain Registration

🤖 AI Summary
casema.nl resolves to the IPv4 address 213.46.237.24, 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: ns1.upc.biz, ns2.upc.biz, and ns3.upc.biz. 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 casema.nl is handled by ziggo.nl with 2 MX records configured: mxin5.ziggo.nl and mxin10.ziggo.nl. 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 enabled for casema.nl, providing an additional layer of security by cryptographically signing DNS records. This prevents DNS cache poisoning and man-in-the-middle attacks that could redirect visitors to malicious websites. Our subdomain enumeration scan discovered 2 active subdomains for casema.nl: portal.casema.nl and www.casema.nl. Active subdomains can reveal the organization's infrastructure, including development environments, API endpoints, and third-party service integrations.
DNS Records
A
213.46.237.24
NS
ns1.upc.biz
ns2.upc.biz
ns3.upc.biz
MX
mxin5.ziggo.nl
mxin10.ziggo.nl
Email & Authentication
SPF
DMARC p=reject
DKIM
DNSSEC
MX Providerziggo.nl
Registrar
Organisation
Country
Contact
Registered
Expires
Domain Age
IPv6 SupportNo
Subdomains (2 found)
portal.casema.nl www.casema.nl

casema.nl Page Content, Images & Accessibility

🤖 AI Summary
The homepage of casema.nl contains 676 words of visible text content. This is a moderate amount of content. The page is structured with 16 H2 headings, 6 H3 headings, 3 H4 headings. The page includes 21 images. 17 images (81%) 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 19% of images have proper alt text — we recommend adding descriptive alt attributes to all images. The link structure consists of 201 internal links pointing to other pages on the same domain and 60 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 8 external JavaScript files, 2 CSS stylesheets, and 0 iframes on the page. The site implements the following web standards and features: Schema.org structured data (Country, Organization, PostalAddress, and WebSite). Notable missing features: XML Sitemap and robots.txt. Adding these could improve search engine discoverability and rich result eligibility. We detected the following payment methods accepted on casema.nl: 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 4 platforms: Facebook (@Ziggo), Instagram (@ziggo), Linkedin (@ziggo-nl), and Tiktok (@ziggo). An active social media presence is a positive trust indicator and helps build brand awareness and customer engagement.
676
Words
21
Images
19%
Alt Text Score
331
Page Size (KB)
Content Structure
H1Je hebt nog:
H2 Tags16
H3 Tags6
H4 Tags3
H5 Tags0
H6 Tags0
Internal Links201
External Links60
Assets & Features
JavaScript Files8
JS Minified0/8
CSS Files2
CSS Minified0/2
Iframes0
Images21
Missing Alt17
SitemapNo
Robots.txtNo
PWANo
AMPNo
RSS FeedNo
Schema.org Types
CountryOrganizationPostalAddressWebSite
Payment Methods Detected
💳 Discover
Social Media Presence
Facebook: @ZiggoInstagram: @ziggoLinkedin: @ziggo-nlTiktok: @ziggo

casema.nl SEO Analysis, Meta Tags & Open Graph

🤖 AI Summary
The title tag for casema.nl is well-optimized at 42 characters: "Ziggo | Internet • TV & Streaming • Bellen". The length falls within the ideal range for Google search results, ensuring the full title is displayed without truncation. The meta description is 142 characters (well-optimized): "Welkom bij Ziggo ✓ Stabiel, snel en veilig internet ✓ Wifi Garantie ✓ Ziggo GO ✓ Ziggo Sport ➔ Kies je voordeel en stel...". 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.ziggo.nl/, preventing duplicate content issues, the page language is declared as nl, 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 (" Ziggo | Internet • TV & Streaming • Bellen..."), 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: Country, Organization, PostalAddress, 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
Ziggo | Internet • TV & Streaming • Bellen
https://casema.nl
Welkom bij Ziggo ✓ Stabiel, snel en veilig internet ✓ Wifi Garantie ✓ Ziggo GO ✓ Ziggo Sport ➔ Kies je voordeel en stel zelf je pakket samen.
Meta Tags
TitleZiggo | Internet • TV & Streaming • Bellen...
Title Length42 chars
Meta Desc Length142 chars
H1Je hebt nog:
Languagenl
Canonicalhttps://www.ziggo.nl/
Meta Robotsindex, follow
Meta Keywordsnot set
Schema.org & Social
Schema TypesCountry, Organization, PostalAddress, WebSite
OG Typewebsite
OG ImageSet ✓
Twitter Cardsummary
FaviconSet ✓
Open Graph Preview
casema.nl
Ziggo | Internet • TV & Streaming • Bellen
Welkom bij Ziggo ✓ Stabiel, snel en veilig internet ✓ Wifi Garantie ✓ Ziggo GO ✓ Ziggo Sport ➔ Kies je voordeel en stel zelf je pakket samen.