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Costco.com Website Review

November 15, 2026 at 3:29 AM
Checked by Website Reputation Checker
Table of Contents
Danger Zone
Risky Territory
Caution Advised
Trusted but Verify
Safe & Secure

Costco → Safety Check

First checked May 8, 2025 at 1:41 PM
Website content and technical signals analyzed
Method: automated checks.
Likely Safe Costco.com shows a low-risk profile as an online store. No major malware/phishing detections were found, and 29.7-year domain history, public traffic rank, and business infrastructure support this assessment. Review refund terms and payment protections before purchase.
Trust signal radar Normalized trust signals for costco.com Domain Maturity: 10834 days Domain Maturity Warning Cleanliness: 0 detections Warning Cleanliness Safety Level: 0 negative tags, 1 warning signal Safety Level Positive Signals: 6 positive signals Positive Signals Popularity: Tranco rank 1,008 Popularity Trust Zone: .com Trust Zone Operational Signals: 16 detected services Operational Signals Location Credibility: Hosting country US Location Credibility
Figure 1. Trust signal radar for costco.com. Larger shaded area indicates stronger trust signals.

How we scored costco.com

On-page mentions:
Sports, Shopping, Wholesale, Cash Back
Tech signals:
Review System, React Platform, Next.js Framework, Corporate Registration
Positive signals:
  • no major malware/phishing detections
  • a long-term domain history (29.7 years)
  • popular site
  • standard payment methods
  • an active SSL certificate (30 days)
  • strong independent trust
  • business infrastructure
  • verified business services
Context signals:
  • mixed review sentiment across available feedback
  • content related to online shopping and ecommerce; sports
Review sentiment:
Unfavorable
2.8 / 5 ★★★☆☆
Based on analysis of 4,648 reviews from SmartCustomer and other public sources.
Last checked November 15, 2026 at 3:29 AM by Gridinsoft Trust Model v2.6.2
Costco.com is an online retail website that offers a wide range of products including groceries, electronics, furniture, appliances, and more. It is the official website of Costco Wholesale, a membership-based warehouse club that operates in several countries. Customers can browse and purchase items online, and some products are available exclusively for Costco members. The website also provides information about membership benefits, promotions, and services offered by Costco.
This domain was registered March 17, 1997 at 5:00 AM through the company CSC Corporate Domains, Inc. and ownership information is not publicly available.

About costco.com

We reviewed costco.com and found strong legitimacy signals. Current checks point to an established low-risk profile, with a trust score of 95/100 supporting that assessment. Key signals include no major malware/phishing detections, a long-term domain history, and popular site. Public feedback across sources is mixed, but the broader legitimacy picture remains strong. Verify seller details, refund terms, and recent customer feedback before making purchases or payments through this site.

Figure 2. Screenshot of Costco.com, captured for security review. 2026-11-15 05:29:39

FAQ

Is costco.com safe?

Yes, costco.com appears to be low-risk based on current analysis. No major malware or phishing threats were detected, and a long-term domain history and popular site support this assessment.

Is costco.com legit or a scam?

Available data points to costco.com being a legitimate website rather than a fraudulent one. Independent trust signals support a credible online presence.

Why is costco.com considered safe?

Key factors include registrar information (CSC Corporate Domains, Inc.), hosting in US, presence in public traffic rankings, and content related to online shopping and ecommerce; sports. Major malware and phishing engines did not report active blacklist detections at the time of review. The trust score blends security detections, domain and infrastructure signals, on-page behavior patterns, and public review history when available. Taken together, these factors support a low-risk assessment for this website.

Is costco.com reliable for online purchases?

Current analysis suggests that costco.com is generally reliable for online purchases, with no significant security concerns identified. Buyers should still review return policies, delivery terms, and recent independent customer feedback before paying.

Costco Digital Footprints

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

Brands
Reliable Payment Method

Payment processing utilizes established and secure payment systems including major credit cards, PayPal, or other recognized financial service providers. These payment methods typically offer fraud protection and dispute resolution mechanisms to safeguard consumers.

Deals
Sports
Registration Form

Automated page analysis detected form or data-entry functionality on costco.com. Forms can involve user-submitted information, so verify ownership and privacy terms before entering data.

Shopping

costco.com shows e-commerce functionality, including product listings, cart flow, and checkout-related elements.

Wholesale
Cookie Consent

This site implements a cookie-consent interface for managing tracking and data-collection preferences.

Cash Back
Review System

This site integrates user-review or rating mechanisms; this improves transparency, but review authenticity may vary.

React Platform

The costco.com website is built using React, a popular JavaScript library for creating interactive user interfaces.

Webpack Module Bundler
Next.js Framework
Social Media Links

The presence of social media links on the website indicates that it references social media accounts. This signal alone does not confirm ownership or authenticity of those profiles.

Popular Site

This site shows elevated traffic signals relative to similar domains; this is generally positive but does not by itself prove legitimacy.

Established Domain

costco.com has maintained active domain presence over time, indicating operational continuity.

Corporate Registration

This domain is registered through a corporate-focused registrar, CSC Corporate Domains, Inc., commonly used by established organizations for managed domain protection and portfolio control.

Verified Business Services

This domain publishes TXT verification records for multiple third-party business platforms. This indicates that the domain has been connected to those services at the DNS level.

Business Infrastructure

The domain costco.com is configured for several service layers, such as email delivery, platform verification, or security tooling. This reflects a broader operational setup than a minimal single-purpose deployment.

High Trust Score
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.

Domain Information

Created March 17, 1997 at 5:00 AM Updated: November 12, 2026 at 2:04 PM · Expires: March 18, 2027 at 4:00 AM
Domain Age 29.7 years
Registrar CSC Corporate Domains, Inc. IANA ID: 299
Abuse Email [email protected]
Domain Status Client Transfer Prohibited · Server Delete Prohibited · Server Transfer Prohibited +1 more · DNSSEC: UNSIGNED
Top Level Domain .com Generic TLD

Technical Details

HTTP status 301
IP Address 151.101.131.52
Hosting Provider AS54113 Fastly, Inc. US
Network AS54113 - Fastly, Inc.
SSL Certificate Certainly Intermediate R1 TLSv1.3 · Valid for: 30 days · from November 1, 2026 at 7:02 PM · to December 1, 2026 at 7:02 PM
Name Servers a1-116.akam.net
a14-67.akam.net
a28-66.akam.net
a5-64.akam.net

Content from the analyzed website

Quoted for security analysis. These statements belong to the source website and are not endorsed by Gridinsoft.

Original page title Welcome to Costco Wholesale
Original description Shop Costco.com for electronics, computers, furniture, outdoor living, appliances, jewelry and more. Enjoy low warehouse prices on name-brands products delivered to your door
Primary Language
Mentioned hosts (40)
assets.adobedtm.com www.pinterest.com mobilecontent.costco.com www.costco.fr transcend-cdn.com costco.com customerservice.costco.com www.costcoconnection.com www.facebook.com media-cdn.costco.com www.costco.com www.costco.se adobedc.demdex.net d.us.criteo.com www.costco.co.jp and 25 more

Security Analysis

Detection Signatures These signatures are used to generate the security fingerprint below.
Brands Reliable Payment Method Deals Sports Registration Form Shopping Wholesale Cookie Consent Cash Back React Platform Webpack Module Bundler Next.js Framework Social Media Links
Verified Services This domain has been verified by the following legitimate services and organizations, confirming authentic ownership and proper email security configuration.
Adobe IDP Adobe Identity Management. Atlassian Software development tools (Jira, Confluence). Cisco Control Hub Cisco device management platform. DocuSign Electronic signature and agreement platform. Dtm Adobe Dynamic Tag Management (Adobe Launch). Dynatrace Application performance monitoring. Facebook Social media platform by Meta. Google Verification Domain ownership verified by Google. Have I Have I Been Pwned domain verification. Intersight Microsoft Microsoft corporate services verification. Microsoft 365 Microsoft cloud productivity suite (Office, email, etc.). OneTrust Privacy and security compliance platform. Onx Postman Postman API platform verification. VMware Cloud Cloud computing and virtualization.
Security Fingerprint Unique identifier based on site analysis

Are You the Owner?

If you own Costco.com 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.

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Your score for costco.com
95
points /100
The score is based on a 1-100 scale, with 100 being the most reputable.
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