a2.marugotoweb.jp

HTTPS HTTP/2 HSTS Gzip Crawled in 29,965ms · June 27, 2026 16:44 UTC

a2.marugotoweb.jp Website Overview & Technology Report

🤖 AI Summary
We performed a comprehensive analysis of a2.marugotoweb.jp on 2026-06-27. The website returned an HTTP 200 status code with a server response time of 11116ms. The page is served over HTTP/2 protocol with Gzip compression enabled, achieving approximately 60.0% size reduction. The total page weight is 10 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 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 2 technologies across 2 categories powering a2.marugotoweb.jp. The detected stack includes Google Tag Manager and jQuery 1.10.2.. Based on our comprehensive analysis of domain age, SSL configuration, email authentication, security headers, and blacklist status, a2.marugotoweb.jp receives an overall trust score of 67/100, classified as "Likely Safe".
67
/ 100
Trust Score
65
/ 100
Security Headers
HTTP Response
Status200 OK
Response Time11116ms
ProtocolHTTP/2
Page Size10 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Servernginx
Total Requests84
3rd Party Domains6
Redirect1 hop(s)
Detected Technologies (2)
🏷️ Google Tag Manager 📦 jQuery
Security Headers
Content-Security-Policy
Not set
Strict-Transport-Security (HSTS)
Set ✓
X-Frame-Options
Set ✓
X-Content-Type-Options
Set ✓
Referrer-Policy
Set ✓
Permissions-Policy
Not set
SSL Certificate
IssuerAmazon
Issuer FullcountryName=US, organizationName=Amazon, commonName=Amazon RSA 2048 M04
SubjectcommonName=a2.marugotoweb.jp
Type
TLS VersionTLS 1.3
Cipher SuiteTLS_AES_128_GCM_SHA256
Algorithm
Issued
Expires— (? days)
SANs

a2.marugotoweb.jp Trust Score & Safety Analysis

🤖 AI Summary
After conducting a thorough safety and legitimacy analysis, a2.marugotoweb.jp receives a trust score of 67/100, 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 and HSTS (HTTP Strict Transport Security) enforcement preventing protocol downgrade attacks. 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 a2.marugotoweb.jp 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.
67
/ 100
Likely Safe
Trust Signals
Valid HTTPS
HSTS enabled
⚠️ DNSSEC not enabled
⚠️ Missing Content-Security-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

a2.marugotoweb.jp Technology Stack & Detected Technologies

🤖 AI Summary
Our technology detection engine scanned a2.marugotoweb.jp 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. Tag Manager: Google Tag Manager — manages marketing and analytics tags without code changes for a2.marugotoweb.jp. JavaScript Library: jQuery (version 1.10.2.) — provides utility functions and DOM manipulation for a2.marugotoweb.jp. We also extracted the following tracking identifiers: Google Tag Manager container GTM-5695JTH. These IDs can be used to identify other websites operated by the same organization.
Tag Manager
🏷️ Google Tag Manager(95%)
JavaScript Library
📦 jQuery 1.10.2.(100%)
Tracking IDs
gtm_idGTM-5695JTH

a2.marugotoweb.jp Performance, Speed & Core Web Vitals

🤖 AI Summary
a2.marugotoweb.jp delivers its homepage in 11116ms (server response time), which is considered slow by industry standards. The total page weight is 10 KB, and we detected 84 resource requests loading assets from 6 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 5 out of 11 JavaScript files are minified. Minifying the remaining 8 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 a2.marugotoweb.jp 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 10 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for a2.marugotoweb.jp. 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 Size10 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Total Requests84
3rd Party Domains6
CSS Minified0/2
JS Minified5/11

a2.marugotoweb.jp DNS Records, Email Authentication & Domain Registration

🤖 AI Summary
a2.marugotoweb.jp resolves to the IPv4 address 18.165.140.41 and also supports IPv6 (2600:9000:25f7:2600:15:5f4b:fb80:93a1), demonstrating modern network infrastructure readiness. The domain has 4 A record(s) configured. The domain name system is managed by 4 name servers: ns-1331.awsdns-38.org, ns-1921.awsdns-48.co.uk, ns-626.awsdns-14.net, and ns-9.awsdns-01.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. 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 is not configured, leaving the domain vulnerable to email spoofing and phishing attacks that impersonate this domain. 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 a2.marugotoweb.jp. 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.
DNS Records
A
18.165.140.41
18.165.140.53
18.165.140.39
18.165.140.111
AAAA
2600:9000:25f7:2600:15:5f4b:fb80:93a1
NS
ns-1331.awsdns-38.org
ns-1921.awsdns-48.co.uk
ns-626.awsdns-14.net
ns-9.awsdns-01.com
Email & Authentication
SPF
DMARC p=—
DKIM
DNSSEC
MX Provider
Registrar
Organisation
Country
Contact
Registered
Expires
Domain Age
IPv6 SupportYes ✓

a2.marugotoweb.jp Page Content, Images & Accessibility

🤖 AI Summary
The homepage of a2.marugotoweb.jp contains 62 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 page includes 24 images. 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 38 internal links pointing to other pages on the same domain and 8 external links pointing to third-party websites. There are 11 external JavaScript files, 2 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. The website has social media presence across 1 platforms: Facebook (@share.php). An active social media presence is a positive trust indicator and helps build brand awareness and customer engagement.
62
Words
24
Images
100%
Alt Text Score
10
Page Size (KB)
Content Structure
H1
H2 Tags0
H3 Tags0
H4 Tags0
H5 Tags0
H6 Tags0
Internal Links38
External Links8
Assets & Features
JavaScript Files11
JS Minified5/11
CSS Files2
CSS Minified0/2
Iframes1
Images24
Missing Alt0
SitemapNo
Robots.txtNo
PWANo
AMPNo
RSS FeedNo
Social Media Presence
Facebook: @share.php

a2.marugotoweb.jp SEO Analysis, Meta Tags & Open Graph

🤖 AI Summary
The title tag for a2.marugotoweb.jp is well-optimized at 30 characters: "MARUGOTO Plus (Elementary1 A2)". The length falls within the ideal range for Google search results, ensuring the full title is displayed without truncation. The meta description is 330 characters (slightly long): "This is a site created by the Japan Foundation for learning about Japanese language and culture based on its "Marugoto: ...". 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. Open Graph meta tags are configured with 4/4 recommended fields: OG title ("MARUGOTO Plus (Elementary1A2) -Japanese Learning Site..."), 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.
Google SERP Preview
MARUGOTO Plus (Elementary1 A2)
https://a2.marugotoweb.jp
This is a site created by the Japan Foundation for learning about Japanese language and culture based on its "Marugoto: Japanese Language and Culture" textbook. Become the star of a drama and practice conversations, know about the lives of people in Japan and around the world. You can practice grammar, kanji, and vocabulary too!
Meta Tags
TitleMARUGOTO Plus (Elementary1 A2)...
Title Length30 chars
Meta Desc Length330 chars
H1
Languageen
Canonical
Meta Robotsnot set
Meta Keywordsnot set
Schema.org & Social
Schema Types
OG Typewebsite
OG ImageSet ✓
Twitter Card
FaviconNot set
Open Graph Preview
a2.marugotoweb.jp
MARUGOTO Plus (Elementary1A2) -Japanese Learning Site
This is a site created by the Japan Foundation for learning about Japanese language and culture based on its "Marugoto: Japanese Language and Culture" textbook.