klart.se Website Overview & Technology Report
🤖 AI Summary
We performed a comprehensive analysis of klart.se on 2026-06-27. The website returned an HTTP 200 status code with a server response time of 39020ms. The page is served over HTTP/2 protocol with Gzip compression enabled, achieving approximately 60.0% size reduction. The total page weight is 874 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 35/100 (below average). The following security headers are properly configured: Strict-Transport-Security (HSTS) and Referrer-Policy. However, the site is missing Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, 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 klart.se. 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, klart.se receives an overall trust score of 72/100, classified as "Likely Safe".
HTTP Response
Status200 OK
Response Time39020ms
ProtocolHTTP/2
Page Size874 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Server—
Total Requests166
3rd Party Domains23
Redirect2 hop(s)
Detected Technologies (2)
📊 Google Analytics 4
🏷️ Google Tag Manager
Security Headers
✗
Content-Security-Policy
Not set
✓
Strict-Transport-Security (HSTS)
Set ✓
✗
X-Frame-Options
Not set
✗
X-Content-Type-Options
Not set
✗
Permissions-Policy
Not set
SSL Certificate
IssuerAmazon
Issuer FullcountryName=US, organizationName=Amazon, commonName=Amazon RSA 2048 M04
SubjectcommonName=klart.se
Type—
TLS VersionTLS 1.3
Cipher SuiteTLS_AES_128_GCM_SHA256
Algorithm—
Issued—
Expires— (? days)
SANs—
klart.se Trust Score & Safety Analysis
🤖 AI Summary
After conducting a thorough safety and legitimacy analysis, klart.se receives a trust score of 72/100, 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 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, no X-Frame-Options header, which could allow the site to be embedded in malicious iframes (clickjacking), 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 klart.se 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.
Trust Signals
✅ Valid HTTPS
✅ HSTS enabled
✅ SPF configured
✅ DMARC configured (p=reject)
✅ DKIM configured
⚠️ DNSSEC not enabled
⚠️ Missing Content-Security-Policy
⚠️ Missing X-Frame-Options
Blacklist Checks (8/8 clean)
✓
Google Safe Browsing
clean
✓
Phishtank
clean
✓
Urlhaus
clean
✓
Openphish
clean
✓
Dnsfilter
clean
✓
Spamhaus Dbl
clean
✓
Surbl
clean
✓
Virustotal
clean
klart.se Technology Stack & Detected Technologies
🤖 AI Summary
Our technology detection engine scanned klart.se 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 klart.se.
Tag Manager: Google Tag Manager — manages marketing and analytics tags without code changes for klart.se.
We also extracted the following tracking identifiers: Google Analytics 4 Measurement ID G-52TJK2V820 and Google Tag Manager container GTM-TSSHK7. 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
ga4_idG-52TJK2V820
gtm_idGTM-TSSHK7
klart.se Performance, Speed & Core Web Vitals
🤖 AI Summary
klart.se delivers its homepage in 39020ms (server response time), which is considered slow by industry standards. The total page weight is 874 KB, and we detected 166 resource requests loading assets from 23 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 0 CSS files and 1 out of 2 JavaScript files are minified. Minifying the remaining 1 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 klart.se produces approximately 0.43g of CO₂, earning a carbon rating of D. 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 874 KB is the primary factor in this calculation.
Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for klart.se. 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 view0.43g
RatingD
Page Weight & Optimization
HTML Size874 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Total Requests166
3rd Party Domains23
CSS Minified0/0
JS Minified1/2
klart.se DNS Records, Email Authentication & Domain Registration
🤖 AI Summary
klart.se resolves to the IPv4 address 108.156.22.122 and also supports IPv6 (2600:9000:2368:1800:1:445b:2c40:93a1), demonstrating modern network infrastructure readiness. The domain has 4 A record(s) configured.
The domain name system is managed by 4 name servers: ns-1081.awsdns-07.org, ns-1958.awsdns-52.co.uk, ns-224.awsdns-28.com, and ns-698.awsdns-23.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 klart.se is handled by Google Workspace with 5 MX records configured: aspmx.l.google.com, alt1.aspmx.l.google.com, and alt2.aspmx.l.google.com and 2 more. 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 (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 klart.se. 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 klart.se: api.klart.se and www.klart.se. Active subdomains can reveal the organization's infrastructure, including development environments, API endpoints, and third-party service integrations.
DNS Records
A
108.156.22.122
108.156.22.63
108.156.22.114
108.156.22.17
AAAA
2600:9000:2368:1800:1:445b:2c40:93a1
NS
ns-1081.awsdns-07.org
ns-1958.awsdns-52.co.uk
ns-224.awsdns-28.com
ns-698.awsdns-23.net
MX
aspmx.l.google.com
alt1.aspmx.l.google.com
alt2.aspmx.l.google.com
alt3.aspmx.l.google.com
alt4.aspmx.l.google.com
Email & Authentication
MX ProviderGoogle Workspace
Registrar—
Organisation—
Country—
Contact—
Registered—
Expires—
Domain Age—
IPv6 SupportYes ✓
Subdomains (2 found)
api.klart.se www.klart.se
klart.se Page Content, Images & Accessibility
🤖 AI Summary
The homepage of klart.se contains 277 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 2 H2 headings, 17 H3 headings, 6 H4 headings.
The page includes 19 images. 3 images (16%) 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 84% of images have proper alt text — we recommend adding descriptive alt attributes to all images.
The link structure consists of 59 internal links pointing to other pages on the same domain and 24 external links pointing to third-party websites. There are 2 external JavaScript files, 0 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.
We detected the following payment methods accepted on klart.se: Visa. 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 (@klart), Instagram (@klart.se), Linkedin (@klart-se), Tiktok (@klart.se), and Github (@necolas). An active social media presence is a positive trust indicator and helps build brand awareness and customer engagement.
Content Structure
H1—
H2 Tags2
H3 Tags17
H4 Tags6
H5 Tags0
H6 Tags0
Internal Links59
External Links24
Assets & Features
JavaScript Files2
JS Minified1/2
CSS Files0
CSS Minified0/0
Iframes0
Images19
Missing Alt3
SitemapNo
Robots.txtNo
PWAYes ✓
AMPNo
RSS FeedNo
Payment Methods Detected
Social Media Presence
Facebook: @klartInstagram: @klart.seLinkedin: @klart-seTiktok: @klart.seGithub: @necolas
klart.se SEO Analysis, Meta Tags & Open Graph
🤖 AI Summary
The title tag for klart.se is good at 24 characters: "Väder Sverige - Klart.se". The length is acceptable, though it may be slightly truncated in some search result displays.
The meta description is 107 characters (well-optimized): "Vädret i Sverige och världen. 14 dagars väderprognos, väderkartor, varningar, pollenprognoser och skidväder". 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.klart.se/, preventing duplicate content issues, the page language is declared as se, and a favicon is configured.
Open Graph meta tags are configured with 3/4 recommended fields: OG title ("Väder Sverige-Klart.se..."), OG description, OG image (social sharing thumbnail), 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_large_image is configured, which controls how links appear when shared on Twitter/X. The "summary_large_image" type displays a large image preview, which typically generates higher engagement rates than the basic card type.
Google SERP Preview
Väder Sverige - Klart.se
https://klart.se
Vädret i Sverige och världen. 14 dagars väderprognos, väderkartor, varningar, pollenprognoser och skidväder
Meta Tags
TitleVäder Sverige - Klart.se...
Title Length24 chars
Meta Desc Length107 chars
H1—
Languagese
Canonicalhttps://www.klart.se/
Meta Robotsnot set
Meta Keywordsnot set
Schema.org & Social
Schema Types—
OG Type—
OG ImageSet ✓
Twitter Cardsummary_large_image
FaviconSet ✓
Open Graph Preview
klart.se
Väder Sverige-Klart.se
Vädret i Sverige och världen. 14 dagars väderprognos, väderkartor, varningar, pollenprognoser och skidväder
klart.se Related Domains & Cross-References
🤖 AI Summary
Related domain discovery works by finding other websites that share the same IP address, Google Tag Manager container ID, Google Analytics property, or advertising pixel IDs with klart.se. This data becomes available after batch-crawling the domain database — individual domain lookups cannot populate this section. We extracted the following tracking IDs that can be used for cross-referencing: ga4_id: G-52TJK2V820, gtm_id: GTM-TSSHK7.
Tracking IDs for Cross-Referencing
ga4_idG-52TJK2V820
gtm_idGTM-TSSHK7
Related Domains
Related domain data requires database (populated after batch crawl)