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w3schools.com

Category: Advice

Scanned: May 26, 2026, 11:08 PM UTC · First seen: May 26, 2026 · Threat Engines: 0 / 91 · Times Scanned: 1
89 / 100 Trust Score Based on scan findings at the time of analysis
No Threats Found
0 - High Risk50 - Moderate100 - No Threats
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Screenshot of w3schools.com Captured May 26, 2026
https://w3schools.com
Screenshot of w3schools.com
26 years
Very Popular - #1,664 Tranco rank (>10M monthly visitors)
Not listed (91 checked)
✓ Valid (TLS)
AWS Global Accelerator (GLOBAL)
Montreal, Canada
Unknown
Unknown
13.248.240.135
Domain & WHOIS Information
Registrar Amazon Registrar, Inc.
Registered March 21, 2000
Expires March 21, 2027
Name Servers ns-1409.awsdns-48.org
DNSSEC Unsigned
Hosting AWS Global Accelerator (GLOBAL)
Reputation & Threat Check 91 security engines checked
File Scan Summary Powered by Quttera Engine
22 files scanned
No threats
4
Low Risk
0
Medium Risk
0
High Risk
18
No threats Low Risk Medium Risk High Risk
www.w3schools.com/default.asp 518.8 KB Flagged: high risk
www.w3schools.com/# 518.8 KB Flagged: high risk
www.w3schools.com%3A443/# 518.8 KB Flagged: high risk
www.w3schools.com/colors/colors_picker.asp 493.3 KB Flagged: high risk
www.w3schools.com/colors/colors_names.asp 590.3 KB Flagged: high risk
www.w3schools.com/colors/default.asp 463.3 KB Flagged: high risk
www.w3schools.com/videos/index.php 476.2 KB Flagged: high risk
www.w3schools.com/about/about_copyright.asp 469.4 KB Flagged: high risk
www.w3schools.com/about/default.asp 460.9 KB Flagged: high risk
www.w3schools.com/about/about_privacy.asp 480.7 KB Flagged: high risk
Show 8 more...
www.w3schools.com%3A443.http-redirect 90 B No threats
www.googletagmanager.com/ns.html?id=GTM-KTCFC3S 266 B No threats
www.w3schools.com/favicon.ico 14.7 KB No threats
www.google.com/recaptcha/api.js?render=explicit 978 B No threats
Quttera flagged high risk files - is this your website?
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External Links & Domains
1345
External Links
1 Flagged
0
Iframes
Clean
49
Referenced Domains
1 Flagged
2
Flagged Resources
Detected
optout.aboutads.infoFlagged: Generic Suspicious Object
http://optout.aboutads.info/Flagged: Generic Suspicious Object
http://optout.aboutads.info/Flagged: Generic Suspicious Object
http://w3schools.com/about/about_copyright.aspNot flagged
http://w3schools.com/about/about_privacy.aspNot flagged
http://w3schools.com/about/default.aspNot flagged
http://w3schools.com/about_cookies.aspNot flagged
http://w3schools.com/about_copyright.aspNot flagged
http://w3schools.com/about_privacy.aspNot flagged
http://w3schools.com/academy/index.phpNot flagged
http://w3schools.com/ado_add.aspNot flagged
http://w3schools.com/ado_connect.aspNot flagged
http://w3schools.com/ado_datatypes.aspNot flagged
http://w3schools.com/ado_delete.aspNot flagged
http://w3schools.com/ado_display.aspNot flagged
http://w3schools.com/ado_intro.aspNot flagged
http://w3schools.com/ado_query.aspNot flagged
Show 485 more...
Showing first 500 of 1345 entries.
optout.aboutads.infoFlagged: Generic Suspicious Object
93d08a94.sibforms.comNot flagged
ajax.googleapis.comNot flagged
api.qrserver.comNot flagged
aws.amazon.comNot flagged
campus.w3schools.comNot flagged
cdn.jsdelivr.netNot flagged
cdn.snigelweb.comNot flagged
cdnjs.cloudflare.comNot flagged
cloud.google.comNot flagged
corporate.sparteo.comNot flagged
developer.apple.comNot flagged
developer.chrome.comNot flagged
developers.google.comNot flagged
discord.comNot flagged
Show 34 more...
w3schools.com Overview

Description of w3schools.com

w3schools.com appears to be a long-established educational website focused on web development and programming tutorials. The homepage branding, page title, and visible navigation indicate that it offers learning materials for HTML, CSS, JavaScript, SQL, Python, PHP, Java, React, Django, and related technologies, along with references, exercises, certificates, and coding practice tools.

Based on the domain name, metadata, and classification data, the site is widely associated with education, reference content, and information technology. Its very high traffic ranking and long registration history suggest it is a well-known online learning resource rather than a newly created or single-purpose site.

The site appears to be operated as a commercial educational platform that combines free tutorials with paid offerings such as courses, certifications, academy content, and user accounts. The screenshot shows a polished, content-rich interface consistent with a mainstream programming tutorial portal.

Safety Assessment for w3schools.com

The strongest reputation signals in this scan are favorable. The domain was not flagged by any of 91 security engines, and the checked blacklist and threat-database sources were clean at the time of this scan. The domain is also more than 26 years old, has a strong traffic presence, and the visible content matches a legitimate educational website rather than a phishing page, fake storefront, or malware-delivery landing page.

One malware scan did report multiple pages and one external link with a generic suspicious label. However, the reported threat name is a broad heuristic pattern rather than a specific malware family, and it is not corroborated by the broader engine consensus or blacklist results. In context, this may indicate a false positive or a low-confidence detection related to advertising or tracking-related page elements rather than confirmed malicious activity.

Based on available data, no significant threats were detected at the time of this scan. The isolated heuristic finding may warrant routine caution, but the overall evidence currently appears consistent with a legitimate, established educational website.

Technical Description

The domain uses a valid SSL/TLS certificate issued through Amazon infrastructure, with certificate validity extending to 2027-02-28. Hosting appears to be behind AWS Global Accelerator, with the resolved server IP located in Montreal, Canada. The nameserver set also points to Amazon DNS infrastructure, which is consistent with a professionally hosted large-scale web service.

DNSSEC appears to be unsigned, which is not uncommon but means DNS responses do not benefit from DNSSEC validation. No major infrastructure-level security issues are evident from the provided data, and the main technical concern in this scan is limited to the single low-confidence heuristic flag on an external referenced domain.

HTTP Redirect Chain
301 https://w3schools.com/
200 https://www.w3schools.com/
Website Insights
#1,664
Tranco Rank
Very Popular
Visitors >10M/mo
Category: Advice
Rank History (30 days)
Apr 20 May 25
3 cookies detected
Essential1
Analytics2
Advertising0
Social0
3 1st party cookies
0 3rd party (trackers)
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This report was generated automatically and is provided for informational purposes only. Results are based on a point-in-time scan and may contain false positives or incomplete data. This does not constitute a security audit or certification. No vendor in the market can guarantee a 100% detection rate. If you believe this report is inaccurate, please submit a dispute.

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