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powerschool.isf.edu.hk

HTTPS HTTP/2 HSTS Gzip Crawled in 23,620ms · June 28, 2026 02:25 UTC

powerschool.isf.edu.hk Website Overview & Technology Report

🤖 AI Summary
We performed a comprehensive analysis of powerschool.isf.edu.hk on 2026-06-28. The website returned an HTTP 200 status code with a server response time of 5217ms. The page is served over HTTP/2 protocol with Gzip compression enabled, achieving approximately 60.0% size reduction. The total page weight is 13 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 70/100 (good). The following security headers are properly configured: Content-Security-Policy, Strict-Transport-Security (HSTS), X-Frame-Options, and X-Content-Type-Options. However, the site is missing 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 1 technologies across 1 categories powering powerschool.isf.edu.hk. The detected stack includes jQuery 3.6.1. Based on our comprehensive analysis of domain age, SSL configuration, email authentication, security headers, and blacklist status, powerschool.isf.edu.hk receives an overall trust score of 67/100, classified as "Likely Safe".
67
/ 100
Trust Score
70
/ 100
Security Headers
HTTP Response
Status200 OK
Response Time5217ms
ProtocolHTTP/2
Page Size13 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Servercloudflare
Total Requests21
3rd Party Domains1
Redirect1 hop(s)
Detected Technologies (1)
📦 jQuery
Security Headers
Content-Security-Policy
Set ✓
Strict-Transport-Security (HSTS)
Set ✓
X-Frame-Options
Set ✓
X-Content-Type-Options
Set ✓
Referrer-Policy
Not set
Permissions-Policy
Not set
SSL Certificate
IssuerGoogle Trust Services
Issuer FullcountryName=US, organizationName=Google Trust Services, commonName=WE1
SubjectcommonName=isf.edu.hk
Type
TLS VersionTLS 1.3
Cipher SuiteTLS_AES_256_GCM_SHA384
Algorithm
Issued
Expires— (? days)
SANs

powerschool.isf.edu.hk Trust Score & Safety Analysis

🤖 AI Summary
After conducting a thorough safety and legitimacy analysis, powerschool.isf.edu.hk 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: 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 powerschool.isf.edu.hk 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 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

powerschool.isf.edu.hk Technology Stack & Detected Technologies

🤖 AI Summary
Our technology detection engine scanned powerschool.isf.edu.hk and identified 1 distinct technologies across 1 categories. This analysis is performed by examining HTTP response headers, HTML source code patterns, JavaScript library fingerprints, CSS framework signatures, and DNS records. JavaScript Library: jQuery (version 3.6.1) — provides utility functions and DOM manipulation for powerschool.isf.edu.hk.
JavaScript Library
📦 jQuery 3.6.1(100%)

powerschool.isf.edu.hk Performance, Speed & Core Web Vitals

🤖 AI Summary
powerschool.isf.edu.hk delivers its homepage in 5217ms (server response time), which is considered slow by industry standards. The total page weight is 13 KB, and we detected 21 resource requests loading assets from 1 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 3 CSS files and 2 out of 4 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. 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 powerschool.isf.edu.hk 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 13 KB is the primary factor in this calculation. Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for powerschool.isf.edu.hk. 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 view0.01g
RatingA
Page Weight & Optimization
HTML Size13 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Total Requests21
3rd Party Domains1
CSS Minified0/3
JS Minified2/4

powerschool.isf.edu.hk DNS Records, Email Authentication & Domain Registration

🤖 AI Summary
powerschool.isf.edu.hk resolves to the IPv4 address 104.20.28.160 and also supports IPv6 (2606:4700:10::ac42:a4a3), demonstrating modern network infrastructure readiness. The domain has 2 A record(s) configured. 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 powerschool.isf.edu.hk. 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
104.20.28.160
172.66.164.163
AAAA
2606:4700:10::ac42:a4a3
Email & Authentication
SPF
DMARC p=—
DKIM
DNSSEC
MX Provider
Registrar
Organisation
Country
Contact
Registered
Expires
Domain Age
IPv6 SupportYes ✓

powerschool.isf.edu.hk Page Content, Images & Accessibility

🤖 AI Summary
The homepage of powerschool.isf.edu.hk contains 367 words of visible text content. This is a moderate amount of content. The page is structured with 2 H2 headings, 0 H3 headings, 0 H4 headings. The link structure consists of 3 internal links pointing to other pages on the same domain and 2 external links pointing to third-party websites. There are 4 external JavaScript files, 3 CSS stylesheets, and 0 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.
367
Words
0
Images
100%
Alt Text Score
13
Page Size (KB)
Content Structure
H1Student and Parent Sign In
H2 Tags2
H3 Tags0
H4 Tags0
H5 Tags0
H6 Tags0
Internal Links3
External Links2
Assets & Features
JavaScript Files4
JS Minified2/4
CSS Files3
CSS Minified0/3
Iframes0
Images0
Missing Alt0
SitemapNo
Robots.txtNo
PWANo
AMPNo
RSS FeedNo

powerschool.isf.edu.hk SEO Analysis, Meta Tags & Open Graph

🤖 AI Summary
The title tag for powerschool.isf.edu.hk is good at 26 characters: "Student and Parent Sign In". The length is acceptable, though it may be slightly truncated in some search result displays. No meta description is configured for powerschool.isf.edu.hk. This is a critical SEO oversight — without a meta description, Google will auto-generate a snippet from page content, which may not accurately represent the page or entice users to click. Adding a unique, compelling meta description of 120-155 characters is strongly recommended. The page language is declared as en, the meta robots directive is set to noindex, and a favicon is configured. No Open Graph tags are configured. When someone shares a link to powerschool.isf.edu.hk on social media, the platform will have to guess the title, description, and image — often producing unattractive or inaccurate previews. Adding OG tags is essential for social media marketing.
Google SERP Preview
Student and Parent Sign In
https://powerschool.isf.edu.hk
Meta Tags
TitleStudent and Parent Sign In...
Title Length26 chars
Meta Desc Length0 chars
H1Student and Parent Sign In
Languageen
Canonical
Meta Robotsnoindex
Meta Keywordsnot set
Schema.org & Social
Schema Types
OG Type
OG ImageNot set
Twitter Card
FaviconSet ✓

powerschool.isf.edu.hk Data Breaches, History, Green Hosting & Mobile Apps

🤖 AI Summary
This section shows additional intelligence about powerschool.isf.edu.hk including data breach history (via HaveIBeenPwned), web archive history (Wayback Machine), green/eco-friendly hosting status, and mobile app presence in the iOS App Store.
No Data Breaches Found
This domain has not appeared in any known data breaches.