Costco.com.tw Costco Taiwan 好市多線上購物 | Costco 好市多線上購物

好市多線上購物為Costco好市多服務各地會員所成立的網路購物平台，無論是大型傢俱、生活家電、珠寶鑽石、休閒零嘴、冷凍食品、居家用品、飲料茶水、休閒票卷，多種獨特限量海外進口商品皆在好市多線上購物。好市多線上購物提供不只是好市多賣場的衍生服務，更多的是網路獨家精選商品以及優惠活動，輕鬆擁有生活上的美...

Costco.com.tw Overview

Costco.com.tw ranking shows that the page is at position 15,659 over the world, while the bulk of its audience is from Taiwan, where it ranks 269.

Costco.com.tw hosted on GOOGLE-PRIVATE-CLOUD - Google LLC, US servers in United States. To reduce page loading time for the majority of costco.com.tw users, we recommend migrating the server to Taiwan, as it will speed up costco.com.tw page load time for the majority of users. See the list of other webpages hosted on GOOGLE-PRIVATE-CLOUD - Google LLC, US servers.

In terms of rank-to-traffic ratio, costco.com.tw has 9,932 unique users per day, viewing 45,189 pages. The rank based value of costco.com.tw is 794,707 USD. Every user makes 4.92 pageviews on average.

Costco.com.tw boasts a link base consisting of 670 referring domains and 845 external backlinks, as revealed by the data obtained from web network scanning.

Costco.com.tw top-level domain belongs to .TW domain zone. Check other webpages in .TW zone.

According the last verification test in October 13, 2024, costco.com.tw has a valid and up-to-date SSL certificate issued by DigiCert Inc , certificate expiration date: August 08, 2025. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by DigiCert Inc.

Based on data from Google Safe Browsing, Symantec and Web of Trust costco.com.tw is a fairly safe domain.

According the Mobile-Friendly test by Google costco.com.tw is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Costco.com.tw Rank Summary

Global Rank

15,659

Average Load Time

1.26sec

Links In Count

106

Website Value

$735,840

Audience Geography. Where are costco.com.tw visitors located?

Country	Visitors
Taiwan TW	96%
United States US	0.9%
Other	3.1%

Country	Pageviews
Taiwan TW	98.3%
United States US	0.4%
Other	1.3%

Country	Rank
Taiwan TW	269
United States US	215575

Where do visitors go on costco.com.tw?

Subdomain	Pageviews
costco.com.tw	99.21%
warehouses.costco.com.tw	0.78%
other	0.01%

Subdomain	Pageviews per User
costco.com.tw	4.69
warehouses.costco.com.tw	1.6

Subdomain	Reach
costco.com.tw	99.11%
warehouses.costco.com.tw	2.31%

How popular is costco.com.tw?

Period	Global Rank	Global Rank Delta
past 3 months	15659	-98
past month	15565	-776
past week	13889	-1872
yesterday	11305	-4820

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	13159	0	562	-0.887%	4.55	0.2%
30	12758	-1020	585	10%	4.69	3%
7	11475	-1970	661	18%	4.7	4%
1	11605	-1341	68	10%	3.6	-28.71%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	18106	-13	455	-1.2%
30	18180	-661	462	7%
7	16183	-1900	53	10%
1	12336	-6962	69	50%

Costco.com.tw Website Safety

Overview

Last Updated: 12/28/2024

Unknown status.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 03/21/2024

costco.com.tw is safe.

Norton ConnectSafe evaluates costco.com.tw for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 12/28/2024

Unknown status.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

costco.com.tw is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 02/22/2021

costco.com.tw is safe.

McAfee assesses costco.com.tw for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze costco.com.tw for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

costco.com.tw child safety is very good.

The WOT calculates reputation of the costco.com.tw. This reputation system receives ratings from users and information from third-party sources, assesses the costco.com.tw for safety features and confirms, whether costco.com.tw is suitable for children.

SSL Information

SSL Checker Tool

Domain	www.costco.com.tw
Issuer Organization	DigiCert Inc
Issuer	DigiCert Global G2 TLS RSA SHA256 2020 CA1
Algorithm	RSA-SHA256
Valid form	08/09/2024
Expiration	08/08/2025
Signed	Certificate is not self signed
Additional Domains	www.costco.com.tw costco.com.tw image-store.costco.com.tw origin.costco.com.tw content.costco.com.tw

Costco.com.tw Rank History

Alexa Rank shows how popular costco.com.tw is in comparison with other sites. The most popular site has Alexa Rank equals 1. If costco.com.tw has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to costco.com.tw and pageviews on costco.com.tw over the past 3 months.

Costco.com.tw Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 396982

ASN Title: GOOGLE-PRIVATE-CLOUD - Google LLC, US

Last Update: 07/20/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

ASNumber: 396982
ASName: GOOGLE-PRIVATE-CLOUD
ASHandle: AS396982
RegDate: 2018-08-15
Updated: 2018-08-15
Comment: *** This ASN is used for Google Private Cloud ***
Comment:
Comment: Direct all copyright and legal complaints to
Comment: https://support.google.com/legal/go/report
Comment:
Comment: Direct all spam and abuse complaints to
Comment: https://support.google.com/code/go/gce_abuse_report
Comment:
Comment: For fastest response, use the relevant forms above.
Comment:
Comment: Complaints can also be sent to the GC Abuse desk
Comment: (google-cloud-compliance@google.com)
Comment: but may have longer turnaround times.
Comment:
Comment: Complaints sent to any other POC will be ignored.
Ref: https://rdap.arin.net/registry/autnum/396982

OrgName: Google LLC
OrgId: GOOGL-2
Address: 1600 Amphitheatre Parkway
City: Mountain View
StateProv: CA
PostalCode: 94043
Country: US
RegDate: 2006-09-29
Updated: 2017-12-21
Comment: *** The IP addresses under this Org-ID are in use by Google Cloud customers ***
Comment:
Comment: Direct all copyright and legal complaints to
Comment: https://support.google.com/legal/go/report
Comment:
Comment: Direct all spam and abuse complaints to
Comment: https://support.google.com/code/go/gce_abuse_report
Comment:
Comment: For fastest response, use the relevant forms above.
Comment:
Comment: Complaints can also be sent to the GC Abuse desk
Comment: (google-cloud-compliance@google.com)
Comment: but may have longer turnaround times.
Comment:
Comment: Complaints sent to any other POC will be ignored.
Ref: https://rdap.arin.net/registry/entity/GOOGL-2

OrgTechHandle: ZG39-ARIN
OrgTechName: Google LLC
OrgTechPhone: +1-650-253-0000
OrgTechEmail: arin-contact@google.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZG39-ARIN

OrgAbuseHandle: GCABU-ARIN
OrgAbuseName: GC Abuse
OrgAbusePhone: +1-650-253-0000
OrgAbuseEmail: google-cloud-compliance@google.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/GCABU-ARIN

OrgNOCHandle: GCABU-ARIN
OrgNOCName: GC Abuse
OrgNOCPhone: +1-650-253-0000
OrgNOCEmail: google-cloud-compliance@google.com
OrgNOCRef: https://rdap.arin.net/registry/entity/GCABU-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

Costco.com.tw Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: costco.com.tw
Domain Status: clientTransferProhibited
Registrant:

Costco Wholesale Membership, Inc.
admincontact@costco.com
US
(Redacted for privacy)

Administrative Contact:
(Redacted for privacy)

Technical Contact:
(Redacted for privacy)

Record expires on 2025-04-08 00:00:00 (UTC+8)
Record created on 1999-02-22 15:02:01 (UTC+8)

Domain servers in listed order:
dns1.costco.com.tw 123.51.211.36
dns2.costco.com.tw 220.130.22.44
dns3.costco.com.tw 122.147.54.30

Registration Service Provider: CSC Corporate Domains, Inc.
Registration Service URL: http://www.csccorporatedomains.com

Provided by Registry Services, LLC. Registry Gateway Services

DNS Records

DNS Lookup Tool

Host	A Record	TTL
costco.com.tw	35.192.62.159	300

Host	MX Record	Priority	TTL
costco.com.tw	mx0a-001f9d01.pphosted.com	10	300
costco.com.tw	mx0b-001f9d01.pphosted.com	10	300

Host	NS Record	TTL
costco.com.tw	dns2.costco.com.tw	3600
costco.com.tw	dns3.costco.com.tw	3600
costco.com.tw	dns1.costco.com.tw	3600

Host	TXT Record	TTL
costco.com.tw	google-site-verification=rszD-_7iplQgfpqWWVnGvnofwJWcFTX1gJd_Ti7aLXQ	3600
costco.com.tw	v=spf1 include:spf-001f9d01.pphosted.com include:_spf.costco.com.tw include:_spf.google.com -all	3600
costco.com.tw	google-site-verification=YPeGbF58Cw8oKqHsBCtJFQbgxIHoerh9_1R0IFjq_Hs	3600

dns2.costco.com.tw
TTL: 3600
Email address: admin.costco.com.tw
Serial: 2011120948
Refresh: 3600
Retry: 600
Expire: 1209600
Minimum: 3600

Costco.com.tw HTML Check

HTML Validation Tool

Errors

Bad value “zh_TW” for attribute “lang” on element “html”: The language subtag “zh_tw” is not a valid language subtag.

Bad value “og:http://ogp.me/ns#” for attribute “prefix” on element “head”.

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

Element “meta” is missing one or more of the following attributes: “content”, “property”.

Bad value “link” for attribute “role” on element “li”.

An “img” element which has an “alt” attribute whose value is the empty string must not have a “role” attribute with any value other than “none” or “presentation”

Attribute “name” not allowed on element “div” at this point.

Attribute “value” not allowed on element “a” at this point.

Bad value “en_TW” for attribute “lang” on element “a”: The language subtag “en_tw” is not a valid language subtag.

Duplicate ID “lang_selector_LangCurrencyComponent”.

Duplicate ID “miniCartIcon”.

An element with “role=menuitem” must be contained in, or owned by, an element with “role=menubar” or “role=menu”.

The element “label” must not appear as a descendant of the “a” element.

Duplicate ID “js-site-search-input”.

Element “img” is missing required attribute “src”.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Element “p” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)

No “p” element in scope but a “p” end tag seen.

Stray end tag “div”.

Element “style” not allowed as child of element “p” in this context. (Suppressing further errors from this subtree.)

The element “footer” must not appear as a descendant of the “footer” element.

The “font” element is obsolete. Use CSS instead.

Bad value “$(” for attribute “onclick” on element “i”: syntax error

Attribute “href” not allowed on element “div” at this point.

Bad value “zh_TW” for attribute “lang” on element “a”: The language subtag “zh_tw” is not a valid language subtag.

End tag “li” implied, but there were open elements.

Unclosed element “a”.

Start tag “a” seen but an element of the same type was already open.

No “a” element in scope but a “a” end tag seen.

The “for” attribute of the “label” element must refer to a non-hidden form control.

The “aria-labelledby” attribute must point to an element in the same document.

The “aria-controls” attribute must point to an element in the same document.

Warnings

The first occurrence of ID “lang_selector_LangCurrencyComponent” was here.

The “textbox” role is unnecessary for an “input” element that has no “list” attribute and whose type is “text”.

The “button” role is unnecessary for element “button”.

The first occurrence of ID “miniCartIcon” was here.

The first occurrence of ID “js-site-search-input” was here.

Costco.com.tw Desktop Performance

Last tested: 05/28/2018

Desktop Speed

26%

Optimize images

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Prioritize visible content

Minify JavaScript

Minify CSS

Reduce server response time

Desktop Resource Breakdown

Total Resources	99
Number of Hosts	10
Static Resources	88
JavaScript Resources	19
CSS Resources	8

Costco.com.tw Mobile Insights

Last tested: 05/28/2018

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

30%

Optimize images

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Prioritize visible content

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	93
Number of Hosts	11
Static Resources	76
JavaScript Resources	19
CSS Resources	8

Costco.com.tw Common Typos

www.costco.com
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Costco.com.tw Costco Taiwan 好市多線上購物 | Costco 好市多線上購物

Costco.com.tw Overview

Costco.com.tw Rank Summary

Costco.com.tw Website Safety

Costco.com.tw Rank History

Costco.com.tw Hosting Information

Costco.com.tw Domain Registration and Settings

Costco.com.tw HTML Check

Costco.com.tw Desktop Performance

Costco.com.tw Mobile Insights

Costco.com.tw Similar Audits

Costco.com.tw Common Typos