Gridinsoft Logo

Contrastchecker.online Suspicious Website

July 30, 2026 at 9:38 AM
Suspicious Website
Checked by Website Reputation Checker
Table of Contents
Danger Zone
Risky Territory
Caution Advised
Trusted but Verify
Safe & Secure

Contrastchecker โ†’ Safety Check

First checked July 30, 2026 at 9:38 AM
Website content and technical signals analyzed
Method: automated checks.
Suspicious Website This site is classified as Suspicious Website based on multiple risk signals, including 4 blacklist detections, no established public user-review history, and heuristic security signals. These risks are driven by active warning signals despite the site's longer domain history.
Trust signal radar Normalized trust signals for contrastchecker.online Domain Maturity: 2744 days Domain Maturity Warning Cleanliness: 3 detections Warning Cleanliness Safety Level: 4 negative tags, 1 warning signal Safety Level Positive Signals: 1 positive signals Positive Signals Popularity: Estimated low traffic without Tranco or social profile data Popularity Trust Zone: .online Trust Zone Operational Signals: 0 detected services Operational Signals Location Credibility: Hosting country IS Location Credibility
Figure 1. Trust signal radar for contrastchecker.online. Larger shaded area indicates stronger trust signals.

How we scored contrastchecker.online

Tech signals:
Advertising Network, Web Application, Clipboard Support
Negative signals:
  • security-provider warnings
  • multiple malware or phishing blacklist detections (2)
  • a low third-party reputation score
  • heuristic signals associated with scam
  • automated caution checks
  • limited independent reputation data
Positive signals:
  • a long-term domain history (7.5 years)
  • an active SSL certificate (3 months)
Last checked July 30, 2026 at 9:38 AM by Gridinsoft Trust Model v2.5.1

What is Contrastchecker?

Our system marks Contrastchecker.online as suspicious. The decision is based on a cluster of weak trust signals, not one isolated event.

Examples we frequently observe in this group: ownership data that cannot be verified, support pages with no workable contacts, reused template content, and redirects/scripts that do not match the visible site purpose. Each item alone may be explainable. Together, they increase user risk.

Figure 2. Website screenshot for Contrastchecker.online. 2026-07-30 12:38:38

Recommended handling: treat this domain as untrusted. View pages only, avoid sign-in, avoid payments, and do not download files unless the source can be independently confirmed.

This domain was registered 7 years ago through the company NameCheap, Inc. and ownership information is not publicly available.

Is contrastchecker.online safe?

โ€” Unfortunately, not likely.

๐Ÿšจ Gridinsoft blocks this website because it was classified as suspicious website.

contrastchecker.online has a blacklist warning and a 13/100 trust score. Verify the site identity before use and avoid sending sensitive or payment data.

Why is contrastchecker.online marked "Suspicious Website"?

Gridinsoft evaluates contrastchecker.online, focusing on limited website popularity, suspicious content indicators (Heuristic - Scam, Heuristic Risk, Blacklisted), hosting technology and infrastructure, SSL certificate status, website reputation across multiple databases, customer reviews from various independent platforms. We weigh these indicators to calculate the trust score.

Note: Automated systems are not perfect โ€” while the evidence suggests risk, there is still a chance the site is legitimate. We recommend you check the website using detailed analysis or by contacting the company directly through verified channels.

Contrastchecker Digital Footprints

A structured view of the site's detected themes, page signals, and related online footprint elements.

Advertising Network
Bootstrap Framework

This site uses Bootstrap, a widely-adopted open-source framework for responsive web development. Bootstrap enables efficient creation of mobile-friendly interfaces through standardized components and styling.

Web Application

This site is configured as an installable web application (PWA-style behavior) with app-like interaction patterns.

Google Tag Manager

The contrastchecker.online website uses Google Tag Manager to add and update tracking tags on its website.

Clipboard Support
Heuristic - Scam
Heuristic Risk
Established Domain

This site has maintained active domain presence over time, indicating operational continuity.

Blacklisted

Gridinsoft Internet Security classified this site as unsafe. As a VirusTotal partner, our detections contribute to broader protection across tools and browsers.

Low Scamadviser Score

Independent security assessment from Scamadviser indicates contrastchecker.online has received a low trust rating, suggesting potential security risks or operational concerns requiring user caution.

Color Guide
  • Requires special attention Marks high-risk findings that should be reviewed first.
  • Exercise caution Highlights areas involving user data, payments, or permissions.
  • Positive indicators Shows trust signals that support the site's reliability.
  • Neutral General context that does not increase or reduce risk on its own.

Provider warnings: 4/29 Suspicious Website

This section shows what trusted security sources say about this site.

A warning appears when one or more sources report malware, phishing, abuse, or other safety concerns. Each row shows the source and its verdict.

If no source reports a warning, the site is shown as clear in this section.

Gridinsoft Threat List
Warned
CRDF
Malicious
Scamadviser
Warned
alphaMountain.ai
Suspicious
BitDefender
Clean
Kaspersky
Clean
ESET
Clean
Sophos
Clean
Google Safebrowsing
Clean
Fortinet
Clean
G-Data
Clean
Webroot
Clean
Dr.Web
Clean
Forcepoint ThreatSeeker
Clean
CyRadar
Clean
Lionic
Clean
Quick Heal
Clean
Phishing Database
Clean
Phishtank
Clean
OpenPhish
Clean
Netcraft
Clean
Sucuri SiteCheck
Clean
Criminal IP
Clean
URLhaus
Clean
Emsisoft
Clean
Spam404
Clean
Trustwave
Clean
VX Vault
Clean
Quttera
Clean

Contrastchecker.online blocked? Check the provider verdict report created on July 29, 2026

Domain Information

Created January 23, 2019 at 2:53 PM Updated: January 24, 2026 at 9:31 AM ยท Expires: January 23, 2027 at 11:59 PM
Domain Age 7.5 years
Registrant IS (Iceland)
Registrar NameCheap, Inc. IANA ID: 1068
Abuse Email [email protected]
Domain Status Ok DNSSEC: UNSIGNED
Top Level Domain .online Generic TLD

Technical Details

IP Address 104.21.33.23
Hosting Provider AS13335 Cloudflare, Inc. San Francisco, California, US
SSL Certificate WE1 TLSv1.3 ยท Valid for: 3 months ยท from July 26, 2026 at 11:22 PM ยท to October 25, 2026 at 1:21 AM
Name Servers art.ns.cloudflare.com
chelsea.ns.cloudflare.com

Content Analysis

Website title Color Contrast Accessibility Checker (WCAG)
Website description Instantly calculate contrast ratio of two input colors and check accessibility according to Web Content Accessibility Guidelines (WCAG).
Primary Language
Mentioned hosts (18)
ep2.adtrafficquality.google medium.muz.li www.w3.org argon2.online cdnjs.cloudflare.com bcrypt.online pagead2.googlesyndication.com www.facebook.com www.googletagmanager.com ep1.adtrafficquality.google sha512.online slugify.online blog.hubspot.com esse.tools region1.google-analytics.com and 3 more

Security Analysis

Detection Signatures These signatures are used to generate the security fingerprint below.
Bootstrap Framework Web Application Clipboard Support
Security Fingerprint Unique identifier based on site analysis

How to block Contrastchecker.online?

Our Anti-Malware can automatically block access to contrastchecker.online if it is flagged as malicious.

  1. Install and run the protection.
  2. The program will block flagged domains and remove related threats.

Exclusion

If you believe contrastchecker.online is safe, you can add it to the exclusion list:

  1. Open Gridinsoft Anti-Malware โ†’ Tools โ†’ Ignore List.
  2. Go to the Internet tab and add contrastchecker.online.

See detailed instructions for more options.

Are You the Owner?

If you own Contrastchecker.online and want to challenge the trust score, please submit a review request via portal.gridinsoft.com. There you can claim your profile and add verified company/contact details. If you cannot access the portal, email legal(at)gridinsoft.com with proof of legitimacy and contact details. We never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.

Leave a review

Share your real experience with contrastchecker.online. Is it a trustworthy site, or did you encounter any issues? The more detail you provide, the more helpful your review is for others!

Publication Tip

- Your feedback helps us improve our security scores.
- Detailed reviews describing your real-life experience have a much higher chance of being published.
- Your email remains confidential.

Gridinsoft Portal
Signed in via Gridinsoft Portal ยท View profile
Your score for contrastchecker.online

Similar website

Matched by website fingerprint
13
points /100
The score is based on a 1-100 scale, with 100 being the most reputable.
Check another website
Verify the security of domains and services based on 10M+ real websites.
Is This Your Website?
Think your website was scored unfairly? Request a reevaluation and our team will take another look.
Flag for Reevaluation
Have you had a personal experience with Contrastchecker.online?
Share your thoughts and rate it to help others make informed decisions!
Is This Your Website?
Think your website was scored unfairly? Request a reevaluation and our team will take another look.
Flag for Reevaluation
Have you had a personal experience with Contrastchecker.online?
Share your thoughts and rate it to help others make informed decisions!