Get a snapshot of shelter.org.uk's online performance, security posture, and technology profile.
shelter.org.uk Website Overview & Technology Report
We performed a comprehensive analysis of shelter.org.uk on 2026-06-29. The website returned an HTTP 200 status code with a server response time of 27025ms. The page is served over HTTP/2 protocol with Gzip compression enabled, achieving approximately 60.0% size reduction. The total page weight is 23 KB. The website uses a secure HTTPS connection with a valid SSL certificate issued by Let's Encrypt (DV type). The connection is encrypted using TLS 1.3 with the TLS_AES_128_GCM_SHA256 cipher suite and ECDSA-SHA384 signature algorithm. The certificate covers 2 domain(s) (Subject Alternative Names) and expires on 2026-09-21, which is 84 days from now. 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 6 technologies across 6 categories powering shelter.org.uk. The detected stack includes Gatsby, React, Webpack, Google Tag Manager, reCAPTCHA v3, and Netlify. The site uses Gatsby as its primary framework. The UI is built with React. Based on our comprehensive analysis of domain age, SSL configuration, email authentication, security headers, and blacklist status, shelter.org.uk receives an overall trust score of 82/100, classified as "Very Likely Safe".
Evaluate trustworthiness based on age, SSL, email authentication, security headers, and blacklist status across 8 threat databases.
shelter.org.uk Trust Score & Safety Analysis
After conducting a thorough safety and legitimacy analysis, shelter.org.uk 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 Let's Encrypt with 84 days until expiration, SPF (Sender Policy Framework) email authentication preventing email spoofing, and DMARC email authentication with a reject policy — the strongest available setting. 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 shelter.org.uk 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.
Security Headers
Blacklist Checks 8/8 Clean ✓
Rankings & Estimates
Discover every technology powering this website — from CMS and frameworks to analytics, payments, and marketing tools.
shelter.org.uk Technology Stack & Detected Technologies
Our technology detection engine scanned shelter.org.uk and identified 6 distinct technologies across 6 categories. This analysis is performed by examining HTTP response headers, HTML source code patterns, JavaScript library fingerprints, CSS framework signatures, and DNS records. Framework: Gatsby — provides the application framework and routing for shelter.org.uk. UI Library: React — handles the user interface rendering and component management for shelter.org.uk. Build Tool: Webpack — bundles and optimizes the JavaScript and CSS assets for shelter.org.uk. Tag Manager: Google Tag Manager — manages marketing and analytics tags without code changes for shelter.org.uk. Security: reCAPTCHA v3 — provides security features like bot detection and CAPTCHA for shelter.org.uk. Hosting: Netlify — provides the server infrastructure for shelter.org.uk. We also extracted the following tracking identifiers: Google Tag Manager container GTM-WWXFWS4. These IDs can be used to identify other websites operated by the same organization.
Tracking IDs Detected
Response time, compression, CDN usage, Core Web Vitals, and environmental impact metrics for shelter.org.uk.
shelter.org.uk Performance & Web Vitals Report
shelter.org.uk delivers its homepage in 27025ms (server response time), which is considered slow by industry standards. The total page weight is 23 KB, and we detected 19 resource requests loading assets from 5 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 0 out of 5 JavaScript files are minified. Minifying the remaining 5 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 shelter.org.uk 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 23 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for shelter.org.uk. 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.
Complete DNS record analysis including email authentication (SPF, DMARC, DKIM), registrar details, and subdomain discovery.
shelter.org.uk DNS Records, Email Authentication & Domain Registration
shelter.org.uk resolves to the IPv4 address 75.2.60.5, 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 4 name servers: dns1.easydns.com, dns2.easydns.net, dns3.easydns.org, and ns-1892.awsdns-44.co.uk. 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 shelter.org.uk is handled by pphosted.com with 2 MX records configured: mxa-00221901.gslb.pphosted.com and mxb-00221901.gslb.pphosted.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 shelter.org.uk. 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.
TXT Records / Service Verifications 20
Content structure, media assets, cookie usage, payment methods, and social media presence for shelter.org.uk.
shelter.org.uk Page Content Analysis
The homepage of shelter.org.uk contains 49 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 1 H2 headings, 1 H3 headings, 0 H4 headings. The page includes 1 image. 1 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 0 internal links pointing to other pages on the same domain and 4 external links pointing to third-party websites. There are 5 external JavaScript files, 0 CSS stylesheets, and 1 iframes on the page. Notable missing features: XML Sitemap, robots.txt, and Schema.org structured data. Adding these could improve search engine discoverability and rich result eligibility.
Evaluate on-page SEO factors including meta tags, Schema.org markup, content metrics, social presence, and environmental impact.
shelter.org.uk SEO Analysis, Meta Tags & Content
The title tag for shelter.org.uk is good at 64 characters: "Shelter - The housing and homelessness charity - Shelter England". The length is acceptable, though it may be slightly truncated in some search result displays.
The meta description is 176 characters (slightly long): "Shelter believes everyone should have a home. More than one million people a year come to us for advice and support via ...". 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.shelter.org.ukundefined, preventing duplicate content issues, the page language is declared as en, and a favicon is configured.
Open Graph meta tags are configured with 4/4 recommended fields: OG title ("Shelter - The housing and homelessness charity - Shelter Eng..."), OG description, OG image (social sharing thumbnail), OG type (article). These tags control how the page appears when shared on Facebook, LinkedIn, and other social media platforms that support the Open Graph protocol.