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dfl.viggo.dk

✓ HTTPS ✓ HTTP/2 ✓ Gzip 60.0% ⚡ 6560ms
dfl.viggo.dk Overview

Get a snapshot of dfl.viggo.dk's online performance, security posture, and technology profile.

dfl.viggo.dk Website Overview & Technology Report

57
Trust Score
Caution Advised
20
Security
Headers: 1/6
6560ms
Response
Slow
1
Technologies
Detected
🤖 AI Analysis

A glance at dfl.viggo.dk reveals a domain with a trust score of 57, a verdict of "Caution Advised", and a response time of 6560ms. This suggests that the domain may not be entirely trustworthy, and users may experience slow loading times. With a page size of 17KB, it's likely that the domain is optimized for speed. However, the presence of only one technology, Google Fonts, may be a concern.

Status Code200 OK
HTTP VersionHTTP/2
Servercloudflare
Page Size17 KB
Total Requests31
3rd Party Domains4
SSL CertificateGoogle Trust Services
TLS VersionTLS 1.3
IP Address104.26.8.162
dfl.viggo.dk Trust & Safety

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

dfl.viggo.dk Trust Score & Safety Analysis

57
Trust Score
20
Security
🤖 Trust Analysis

With a trust score of 57, dfl.viggo.dk falls short of our expectations. The verdict of "Caution Advised" is a clear indication that users should exercise caution when interacting with this domain. The SSL issuer, Google Trust Services, and TLS version, TLS 1.3, are positives, but the security score of 20 suggests that the domain may be vulnerable to attacks. The lack of SPF and DMARC records further raises concerns.

HTTPS + HSTS
+12
SSL Certificate
−10
Security Headers
−5

Security Headers

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

Blacklist Checks 8/8 Clean ✓

Google Safe Browsing
Phishtank
Urlhaus
Openphish
Dnsfilter
Spamhaus Dbl
Surbl
Virustotal

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dfl.viggo.dk Technology Stack 1 detected

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

dfl.viggo.dk Technology Stack & Detected Technologies

🤖 Stack Analysis

The technology landscape of dfl.viggo.dk is dominated by Google Fonts, which is used to enhance the domain's visual appeal. The use of a single technology is a departure from our typical findings, which often involve a diverse array of technologies. The lack of other technologies may indicate that the domain is focused on a specific niche or function. However, this limited technology profile may also limit the domain's potential for growth and development.

🔤 Fonts
dfl.viggo.dk Performance & Web Vitals

Response time, compression, CDN usage, Core Web Vitals, and environmental impact metrics for dfl.viggo.dk.

dfl.viggo.dk Performance & Web Vitals Report

🤖 Performance Analysis

dfl.viggo.dk delivers its homepage in 6560ms (server response time), which is considered slow by industry standards. The total page weight is 17 KB, and we detected 31 resource requests loading assets from 4 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: 1 out of 2 CSS files and 2 out of 3 JavaScript files are minified. Minifying the remaining 2 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 dfl.viggo.dk produces approximately 0.01g 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 17 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for dfl.viggo.dk. 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 Time6560ms Slow
Page Size17 KB
CompressionGzip 60.0% savings
CDNNot detected
Carbon / Page View0.01g · Rating A
dfl.viggo.dk DNS & Domain Info

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

dfl.viggo.dk DNS Records, Email Authentication & Domain Registration

🤖 DNS Analysis

The infrastructure supporting dfl.viggo.dk is surprisingly simple, with a single IP address (104.26.8.162) and no MX records. This suggests that the domain may be relying on a single server or a basic hosting solution. The absence of a registrar and SPF/DNSSEC records further underscores the domain's rudimentary infrastructure. While this may be sufficient for a small-scale operation, it may not be scalable or secure enough for a larger organization.

IP Address104.26.8.162
IPv62606:4700:20::ac43:4635
SPF✗ Not set
DMARC✗ Not set
DKIM✗ Not found
DNSSEC✗ Not enabled
IPv6✓ Supported
WHOIS Privacy🔒 Private

Subdomains 25 found

adminapiappappsblogcdncommunitydevdevelopersdocsftphelpmmailpartnersportalshopsmtpstagingstaticstatusstoresupportwebmailwww
dfl.viggo.dk Page Analysis

Content structure, media assets, cookie usage, payment methods, and social media presence for dfl.viggo.dk.

dfl.viggo.dk Page Content Analysis

🤖 Content Analysis

The homepage of dfl.viggo.dk contains 21 words of visible text content. This is a relatively short page — adding more descriptive content could improve search engine visibility. The page is structured with 0 H2 headings, 0 H3 headings, 0 H4 headings, 1 H5, and 1 H6 headings. The page includes 2 images. 2 images (100%) 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 0% of images have proper alt text — we recommend adding descriptive alt attributes to all images. The link structure consists of 3 internal links pointing to other pages on the same domain and 1 external link pointing to third-party websites. There are 3 external JavaScript files, 2 CSS stylesheets, and 0 iframes on the page. The site implements the following web standards and features: Progressive Web App (PWA) manifest (enabling app-like installation). Notable missing features: XML Sitemap, robots.txt, and Schema.org structured data. Adding these could improve search engine discoverability and rich result eligibility.

Word Count21 words
Images2 total · 2 missing alt
Internal Links3
External Links1
JS Files3
CSS Files2
dfl.viggo.dk SEO & Content Analysis

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

dfl.viggo.dk SEO Analysis, Meta Tags & Content

🤖 SEO Analysis

With only 21 words on the page and 2 images, dfl.viggo.dk's SEO capabilities are limited. The page's title, "ViGGO | Den frie L\u00e6rerskole", is clear and concise, but the overall SEO score is likely to be low. The domain's lack of focus on SEO is evident, and it may struggle to attract organic traffic. However, the presence of Google Fonts, which is optimized for search engines, may help the domain's visibility.

TitleViGGO | Den frie Lærerskole
H1
Word Count21 words
Images2 total · 2 missing alt
Internal Links3
External Links1
JS Files3
CSS Files2
Heading StructureH5:1 · H6:1
Redirect Chainhttps://dfl.viggo.dkhttps://dfl.viggo.dk/Basic/Account?returhttps://dfl.viggo.dk/Basic/Account/Login
X-Powered-ByASP.NET, ARR/3.0
MinificationJS: 2/3 minified · CSS: 1/2 minified
Sitemap✗ Not found
Robots.txt✗ Not found
CanonicalNot set
Languageda-DK
Open GraphNot set
Twitter CardNot set
PWA✓ Manifest found
RSS FeedNot detected
AMPNot detected
Carbon / Visit0.01g · Rating A

Google SERP Preview

ViGGO | Den frie Lærerskole
https://dfl.viggo.dk

META TAGS & SCHEMA.ORG

META TAGS

TitleViGGO | Den frie Lærerskole
Title Length27 chars Too short
Meta Desc Length0 chars Too short
H1
Languageda-DK
CanonicalNot set
Meta Robots

SCHEMA.ORG & SOCIAL

Schema Types
OG Type
OG ImageNot set
Twitter CardNot set
Favicon✓ Found

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