androiddevcourse.com

HTTPS HTTP/2 HSTS Gzip Astro Crawled in 16,668ms · June 27, 2026 21:16 UTC

androiddevcourse.com Website Overview & Technology Report

🤖 AI Summary
We performed a comprehensive analysis of androiddevcourse.com on 2026-06-27. The website returned an HTTP 200 status code with a server response time of 9348ms. The page is served over HTTP/2 protocol with Gzip compression enabled, achieving approximately 60.0% size reduction. The total page weight is 9 KB. 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 20/100 (poor). The following security headers are properly configured: Strict-Transport-Security (HSTS). However, the site is missing Content-Security-Policy, X-Frame-Options, 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 2 technologies across 2 categories powering androiddevcourse.com. The detected stack includes Astro and Google Fonts. The site uses Astro as its primary framework. Based on our comprehensive analysis of domain age, SSL configuration, email authentication, security headers, and blacklist status, androiddevcourse.com receives an overall trust score of 60/100, classified as "Likely Safe".
60
/ 100
Trust Score
20
/ 100
Security Headers
HTTP Response
Status200 OK
Response Time9348ms
ProtocolHTTP/2
Page Size9 KB
CompressionGzip
Compression Savings~60.0%
CDNNo
ServerVercel
Total Requests28
3rd Party Domains2
RedirectNone
Detected Technologies (2)
🔧 Astro 🔤 Google Fonts
Security Headers
Content-Security-Policy
Not set
Strict-Transport-Security (HSTS)
Set ✓
X-Frame-Options
Not set
X-Content-Type-Options
Not set
Referrer-Policy
Not set
Permissions-Policy
Not set
SSL Certificate
IssuerLet's Encrypt
Issuer FullcountryName=US, organizationName=Let's Encrypt, commonName=R13
SubjectcommonName=androiddevcourse.com
Type
TLS VersionTLS 1.3
Cipher SuiteTLS_AES_128_GCM_SHA256
Algorithm
Issued
Expires— (? days)
SANs

androiddevcourse.com Trust Score & Safety Analysis

🤖 AI Summary
After conducting a thorough safety and legitimacy analysis, androiddevcourse.com receives a trust score of 60/100, 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, and DMARC email authentication with a quarantine policy. 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), 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 androiddevcourse.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.
60
/ 100
Likely Safe
Trust Signals
Valid HTTPS
HSTS enabled
DMARC configured (p=quarantine)
⚠️ DNSSEC not enabled
Robots.txt found
⚠️ Missing Content-Security-Policy
⚠️ Missing X-Frame-Options
⚠️ 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

androiddevcourse.com Technology Stack & Detected Technologies

🤖 AI Summary
Our technology detection engine scanned androiddevcourse.com 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. Framework: Astro — provides the application framework and routing for androiddevcourse.com. Fonts: Google Fonts — delivers web fonts for typography for androiddevcourse.com.
Framework
🔧 Astro(95%)
Fonts
🔤 Google Fonts(95%)

androiddevcourse.com Performance, Speed & Core Web Vitals

🤖 AI Summary
androiddevcourse.com delivers its homepage in 9348ms (server response time), which is considered slow by industry standards. The total page weight is 9 KB, and we detected 28 resource requests loading assets from 2 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 0 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. From an environmental perspective, each page view of androiddevcourse.com produces approximately 0.0g 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 9 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for androiddevcourse.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 view0.0g
RatingA
Page Weight & Optimization
HTML Size9 KB
CompressionGzip
Compression Savings~60.0%
CDNNo
Total Requests28
3rd Party Domains2
CSS Minified0/2
JS Minified0/0

androiddevcourse.com DNS Records, Email Authentication & Domain Registration

🤖 AI Summary
androiddevcourse.com resolves to the IPv4 address 216.198.79.1, 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 2 A record(s) configured. The domain name system is managed by 2 name servers: ns47.domaincontrol.com and ns48.domaincontrol.com. Having 2 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. SPF is not configured, meaning any server could potentially send emails pretending to be from this domain. This is a significant email security concern. 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 was not detected. Without DKIM, recipients cannot cryptographically verify that emails claiming to be from this domain are authentic. DNSSEC is not enabled for androiddevcourse.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 1 active subdomains for androiddevcourse.com: www.androiddevcourse.com. Active subdomains can reveal the organization's infrastructure, including development environments, API endpoints, and third-party service integrations.
DNS Records
A
216.198.79.1
64.29.17.1
NS
ns47.domaincontrol.com
ns48.domaincontrol.com
Email & Authentication
SPF
DMARC p=quarantine
DKIM
DNSSEC
MX Provider
Registrar
Organisation
Country
Contact
Registered
Expires
Domain Age
IPv6 SupportNo
Subdomains (1 found)
www.androiddevcourse.com

androiddevcourse.com Page Content, Images & Accessibility

🤖 AI Summary
The homepage of androiddevcourse.com contains 292 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 3 H2 headings, 0 H3 headings, 0 H4 headings. The page includes 1 image. All images have proper alt text attributes ✓, which is excellent for both accessibility (screen readers) and SEO (search engines can understand image content). The link structure consists of 19 internal links pointing to other pages on the same domain and 0 external links pointing to third-party websites. There are 0 external JavaScript files, 2 CSS stylesheets, and 0 iframes on the page. The site implements the following web standards and features: robots.txt (controls search engine crawling behavior) and Schema.org structured data (Organization and WebSite). Notable missing features: XML Sitemap. Adding these could improve search engine discoverability and rich result eligibility.
292
Words
1
Images
100%
Alt Text Score
9
Page Size (KB)
Content Structure
H1Mastering Android Architecture
H2 Tags3
H3 Tags0
H4 Tags0
H5 Tags0
H6 Tags0
Internal Links19
External Links0
Assets & Features
JavaScript Files0
JS Minified0/0
CSS Files2
CSS Minified0/2
Iframes0
Images1
Missing Alt0
SitemapNo
Robots.txtYes ✓
PWANo
AMPNo
RSS FeedNo
Schema.org Types
OrganizationWebSite

androiddevcourse.com SEO Analysis, Meta Tags & Open Graph

🤖 AI Summary
The title tag for androiddevcourse.com is well-optimized at 50 characters: "Android development tutorials | Android Dev Course". The length falls within the ideal range for Google search results, ensuring the full title is displayed without truncation. The meta description is 94 characters (well-optimized): "Practical Android development tutorials, Kotlin guidance, and legacy Android course resources.". 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://androiddevcourse.com/, preventing duplicate content issues, the page language is declared as en, 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 ("Android development tutorials..."), 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_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. The site implements Schema.org structured data with the following types: Organization 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
Android development tutorials | Android Dev Course
https://androiddevcourse.com
Practical Android development tutorials, Kotlin guidance, and legacy Android course resources.
Meta Tags
TitleAndroid development tutorials | Android Dev Course...
Title Length50 chars
Meta Desc Length94 chars
H1Mastering Android Architecture
Languageen
Canonicalhttps://androiddevcourse.com/
Meta Robotsindex,follow
Meta Keywordsnot set
Schema.org & Social
Schema TypesOrganization, WebSite
OG Typewebsite
OG ImageSet ✓
Twitter Cardsummary_large_image
FaviconSet ✓
Open Graph Preview
androiddevcourse.com
Android development tutorials
Practical Android development tutorials, Kotlin guidance, and legacy Android course resources.