chelseafc.com

HTTPS HTTP/2 HSTS Gzip Crawled in 17,178ms · June 27, 2026 15:05 UTC

chelseafc.com Website Overview & Technology Report

🤖 AI Summary
We performed a comprehensive analysis of chelseafc.com on 2026-06-27. The website returned an HTTP 200 status code with a server response time of 4868ms. The page is served over HTTP/2 protocol with Gzip compression enabled, achieving approximately 60.0% size reduction. The total page weight is 483 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 X-Frame-Options. However, the site is missing Content-Security-Policy, X-Content-Type-Options, Referrer-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 4 technologies across 3 categories powering chelseafc.com. The detected stack includes React, Google Tag Manager, Meta Pixel, and LinkedIn Insight Tag. The UI is built with React. Based on our comprehensive analysis of domain age, SSL configuration, email authentication, security headers, and blacklist status, chelseafc.com receives an overall trust score of 70/100, classified as "Likely Safe".
70
/ 100
Trust Score
35
/ 100
Security Headers
HTTP Response
Status200 OK
Response Time4868ms
ProtocolHTTP/2
Page Size483 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
ServerKestrel
Total Requests27
3rd Party Domains9
Redirect3 hop(s)
Detected Technologies (4)
⚛️ React 🏷️ Google Tag Manager 📢 Meta Pixel 📢 LinkedIn Insight Tag
Security Headers
Content-Security-Policy
Not set
Strict-Transport-Security (HSTS)
Set ✓
X-Frame-Options
Set ✓
X-Content-Type-Options
Not set
Referrer-Policy
Not set
Permissions-Policy
Not set
SSL Certificate
IssuerDigiCert Inc
Issuer FullcountryName=US, organizationName=DigiCert Inc, organizationalUnitName=www.digicert.com, commonName=GeoTrust TLS RSA CA G1
SubjectcommonName=chelseafc.com
Type
TLS VersionTLS 1.3
Cipher SuiteTLS_AES_256_GCM_SHA384
Algorithm
Issued
Expires— (? days)
SANs

chelseafc.com Trust Score & Safety Analysis

🤖 AI Summary
After conducting a thorough safety and legitimacy analysis, chelseafc.com receives a trust score of 70/100, 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, missing Referrer-Policy, potentially leaking URL information to third parties, 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 chelseafc.com 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.
70
/ 100
Likely Safe
Trust Signals
Valid HTTPS
HSTS enabled
SPF configured
DMARC configured (p=quarantine)
DKIM configured
⚠️ DNSSEC not enabled
Robots.txt found
⚠️ Missing Content-Security-Policy
⚠️ 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

chelseafc.com Technology Stack & Detected Technologies

🤖 AI Summary
Our technology detection engine scanned chelseafc.com and identified 4 distinct technologies across 3 categories. This analysis is performed by examining HTTP response headers, HTML source code patterns, JavaScript library fingerprints, CSS framework signatures, and DNS records. UI Library: React — handles the user interface rendering and component management for chelseafc.com. Tag Manager: Google Tag Manager — manages marketing and analytics tags without code changes for chelseafc.com. Advertising: Meta Pixel and LinkedIn Insight Tag — handles advertising pixel tracking and conversion measurement for chelseafc.com. We also extracted the following tracking identifiers: Google Tag Manager container GTM-MZGZKB4. These IDs can be used to identify other websites operated by the same organization.
UI Library
⚛️ React(95%)
Tag Manager
🏷️ Google Tag Manager(95%)
Advertising
📢 Meta Pixel(95%)📢 LinkedIn Insight Tag(95%)
Tracking IDs
gtm_idGTM-MZGZKB4

chelseafc.com Performance, Speed & Core Web Vitals

🤖 AI Summary
chelseafc.com delivers its homepage in 4868ms (server response time), which is considered slow by industry standards. The total page weight is 483 KB, and we detected 27 resource requests loading assets from 9 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 1 CSS files and 0 out of 5 JavaScript files are minified. Minifying the remaining 6 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 chelseafc.com produces approximately 0.24g 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 483 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for chelseafc.com. 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 view0.24g
RatingB
Page Weight & Optimization
HTML Size483 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Total Requests27
3rd Party Domains9
CSS Minified0/1
JS Minified0/5

chelseafc.com DNS Records, Email Authentication & Domain Registration

🤖 AI Summary
chelseafc.com resolves to the IPv4 address 20.105.224.46, 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: ns-1020.awsdns-63.net, ns-1208.awsdns-23.org, ns-1547.awsdns-01.co.uk, and ns-414.awsdns-51.com. 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 chelseafc.com is handled by Microsoft 365 with 1 MX records configured: chelseafc-com.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 chelseafc.com. 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 7 active subdomains for chelseafc.com: app.chelseafc.com, docs.chelseafc.com, m.chelseafc.com, mail.chelseafc.com, store.chelseafc.com, webmail.chelseafc.com, and www.chelseafc.com. Active subdomains can reveal the organization's infrastructure, including development environments, API endpoints, and third-party service integrations.
DNS Records
A
20.105.224.46
NS
ns-1020.awsdns-63.net
ns-1208.awsdns-23.org
ns-1547.awsdns-01.co.uk
ns-414.awsdns-51.com
MX
chelseafc-com.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 (7 found)
app.chelseafc.com docs.chelseafc.com m.chelseafc.com mail.chelseafc.com store.chelseafc.com webmail.chelseafc.com www.chelseafc.com

chelseafc.com Page Content, Images & Accessibility

🤖 AI Summary
The homepage of chelseafc.com contains 8 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. The link structure consists of 0 internal links pointing to other pages on the same domain and 0 external links pointing to third-party websites. There are 5 external JavaScript files, 1 CSS stylesheets, and 1 iframes on the page. The site implements the following web standards and features: robots.txt (controls search engine crawling behavior) and Progressive Web App (PWA) manifest (enabling app-like installation). Notable missing features: XML Sitemap and Schema.org structured data. Adding these could improve search engine discoverability and rich result eligibility. We detected the following payment methods accepted on chelseafc.com: 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 (@ChelseaFC), Twitter (@chelseafc","type":"twitter"},{"name":"tiktok","url":"https:), Instagram (@chelseafc), and Tiktok (@chelseafc","type":"tiktok"}]}},"links":[{"id":"d0301e2b-433b-44ef-9bc8-6f2adfb044f5","title":"About). An active social media presence is a positive trust indicator and helps build brand awareness and customer engagement.
8
Words
0
Images
100%
Alt Text Score
483
Page Size (KB)
Content Structure
H1
H2 Tags0
H3 Tags0
H4 Tags0
H5 Tags0
H6 Tags0
Internal Links0
External Links0
Assets & Features
JavaScript Files5
JS Minified0/5
CSS Files1
CSS Minified0/1
Iframes1
Images0
Missing Alt0
SitemapNo
Robots.txtYes ✓
PWAYes ✓
AMPNo
RSS FeedNo
Payment Methods Detected
💳 Discover
Social Media Presence
Facebook: @ChelseaFCTwitter: @chelseafc","type":"twitter"},{"name":"tiktok","url":"https:Instagram: @chelseafcTiktok: @chelseafc","type":"tiktok"}]}},"links":[{"id":"d0301e2b-433b-44ef-9bc8-6f2adfb044f5","title":"About

chelseafc.com SEO Analysis, Meta Tags & Open Graph

🤖 AI Summary
The title tag for chelseafc.com is well-optimized at 48 characters: "Homepage | Official Site | Chelsea Football Club". The length falls within the ideal range for Google search results, ensuring the full title is displayed without truncation. The meta description is 247 characters (slightly long): "Welcome to the official Chelsea FC website. All the latest news, videos and ticket information as well as player profile...". 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 page language is declared as en and a favicon is configured. Open Graph meta tags are configured with 3/4 recommended fields: OG title ("Homepage..."), 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_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
Homepage | Official Site | Chelsea Football Club
https://chelseafc.com
Welcome to the official Chelsea FC website. All the latest news, videos and ticket information as well as player profiles and information about Stamford Bridge, the home of the Blues. Browse the online shop for Chelsea FC products and merchandise.
Meta Tags
TitleHomepage | Official Site | Chelsea Football Club...
Title Length48 chars
Meta Desc Length247 chars
H1
Languageen
Canonical
Meta Robotsnot set
Meta Keywordsnot set
Schema.org & Social
Schema Types
OG Typewebsite
OG ImageSet ✓
Twitter Cardsummary_large_image
FaviconSet ✓
Open Graph Preview
chelseafc.com
Homepage