Costerdiamonds.com Royal Coster Diamonds - 175 years of diamond craftsmanship

The worlds oldest and most trusted diamond factory. We have the largest diamond stock of Europe and our craftsmen and women can create any piece you d...

Costerdiamonds.com Overview

Costerdiamonds.com ranking shows that the page is at position 1,288,032 over the world.

In terms of rank-to-traffic ratio, costerdiamonds.com has 281 unique users per day, viewing 568 pages. The rank based value of costerdiamonds.com is 6,314 USD. Every user makes 2.14 pageviews on average.

Costerdiamonds.com boasts a link base consisting of 236 referring domains and 267 external backlinks, as revealed by the data obtained from web network scanning.

Costerdiamonds.com top-level domain belongs to .COM domain zone. Check other webpages in .COM zone.

According the last verification test in July 22, 2024, costerdiamonds.com has an expired SSL certificate issued by Google Trust Services (expired on September 11, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Google Trust Services.

Based on data from Google Safe Browsing, Google Safe Search and Symantec costerdiamonds.com is a fairly safe domain.

According the Mobile-Friendly test by Google costerdiamonds.com is nice optimized for mobile devices and tablets.

Costerdiamonds.com Rank Summary

Global Rank

1,288,032

Average Load Time

5.60sec

Links In Count

Website Value

$5,846

Audience Geography. Where are costerdiamonds.com visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on costerdiamonds.com?

Subdomain	Pageviews
costerdiamonds.com	100%

Subdomain	Pageviews per User
costerdiamonds.com	3

Subdomain	Reach
costerdiamonds.com	100%

How popular is costerdiamonds.com?

Period	Global Rank	Global Rank Delta
past 3 months	1288032	1956
past month	2200166	839216
past week	4891269	2176416

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	1642856	85832	1	-4.785%	2	-11.6%
30	1993677	235310	1	-15.08%	3	100%
7	5116391	3187520	0	-91.503%	1	-75.787%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1199024	-36480	3	7%
30	2384252	1132975	1	-57.937%
7	4724059	1137506	3	-64.865%

Costerdiamonds.com Website Safety

Overview

Last Updated: 11/06/2024

Overall result - costerdiamonds.com is safe.

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: 03/23/2024

costerdiamonds.com is safe.

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

Google Safe Search

Last Updated: 10/02/2017

costerdiamonds.com is safe.

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

costerdiamonds.com 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: 02/27/2021

costerdiamonds.com is safe.

McAfee assesses costerdiamonds.com 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 costerdiamonds.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 11/06/2024

costerdiamonds.com child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	costerdiamonds.com
Issuer Organization	Google Trust Services
Issuer	WE1
Algorithm	ecdsa-with-SHA256
Valid form	06/13/2024
Expiration	09/11/2024
Signed	Certificate is not self signed
Additional Domains	costerdiamonds.com *.costerdiamonds.com

Costerdiamonds.com Rank History

Alexa Rank shows how popular costerdiamonds.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If costerdiamonds.com 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 costerdiamonds.com and pageviews on costerdiamonds.com over the past 3 months.

Costerdiamonds.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Last Update: 02/22/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Costerdiamonds.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: COSTERDIAMONDS.COM
Registry Domain ID: 211986_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.cronon.net
Registrar URL: http://www.cronon.net
Updated Date: 2021-05-23T20:01:27Z
Creation Date: 1997-04-14T04:00:00Z
Registry Expiry Date: 2023-04-15T04:00:00Z
Registrar: Cronon AG
Registrar IANA ID: 141
Registrar Abuse Contact Email: abuse-domains@cronon.net
Registrar Abuse Contact Phone: +4930398020
Domain Status: ok https://icann.org/epp#ok
Name Server: CHASE.NS.CLOUDFLARE.COM
Name Server: SHARON.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-01-22T07:05:56Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Costerdiamonds.com HTML Check

HTML Validation Tool

Errors

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.

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

CSS: “italics”: Parse Error.

Attribute “webkit-playsinline” not allowed on element “video” at this point.

Duplicate ID “video”.

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

Element “p” not allowed as child of element “h5” in this context. (Suppressing further errors from this subtree.)

Bad value “nope” for attribute “autocomplete” on element “input”: The string “nope” is not a valid autofill field name.

Bad value “mailto:support@costerdiamonds.com?subject=I am interested in'The Classic with a Twist' (#1231505)” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

End tag “br”.

Duplicate ID “product-gmt-details”.

Bad value “mailto:support@costerdiamonds.com?subject=I am interested in'Twisted Pave Solitaire Diamond Ring' (#1262041)” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “mailto:support@costerdiamonds.com?subject=I am interested in'The Minimalist Diamond Ring' (#1283026)” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “mailto:support@costerdiamonds.com?subject=I am interested in'Leverback Hoop Diamond Earrings with Pave' (#1730180)” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “mailto:support@costerdiamonds.com?subject=I am interested in'Loose Open Braided Diamond Bracelet' (#3020039)” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

Bad value “mailto:support@costerdiamonds.com?subject=I am interested in'Sunshine Diamond Pendant with Double Halo' (#2020083)” for attribute “href” on element “a”: Illegal character in query: space is not allowed.

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

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

Stray start tag “script”.

The value of the “for” attribute of the “label” element must be the ID of a non-hidden form control.

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

The first occurrence of ID “video” was here.

Empty heading.

The first occurrence of ID “product-gmt-details” was here.

The “type” attribute is unnecessary for JavaScript resources.

Costerdiamonds.com Desktop Performance

Last tested: 10/24/2015

Desktop Speed

30%

Enable compression

Reduce server response time

Minify JavaScript

Leverage browser caching

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

Minify CSS

Optimize images

Prioritize visible content

Minify HTML

Desktop Resource Breakdown

Total Resources	126
Number of Hosts	18
Static Resources	45
JavaScript Resources	49
CSS Resources	32

Costerdiamonds.com Mobile Insights

Last tested: 08/19/2019

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

62%

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

Leverage browser caching

Optimize images

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	124
Number of Hosts	31
Static Resources	38
JavaScript Resources	66
CSS Resources	6

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Costerdiamonds.com Royal Coster Diamonds - 175 years of diamond craftsmanship

The worlds oldest and most trusted diamond factory. We have the largest diamond stock of Europe and our craftsmen and women can create any piece you d...

Costerdiamonds.com Overview

Costerdiamonds.com Rank Summary

Costerdiamonds.com Website Safety

Costerdiamonds.com Rank History

Costerdiamonds.com Hosting Information

Costerdiamonds.com Domain Registration and Settings

Costerdiamonds.com HTML Check

Costerdiamonds.com Desktop Performance

Costerdiamonds.com Mobile Insights

Costerdiamonds.com Similar Audits

Costerdiamonds.com Common Typos