Grandoptical.cz ranking shows that the page is at position 699,913 over the world.
Grandoptical.cz hosting company servers are placed in the Poland, but, unfortunately, it’s not possible to identify the countries where the bulk of grandoptical.cz users come from and, therefore, we couldn’t define if the distance can influence the webpage load time. See the list of other webpages hosted on RACKFOREST-AS, HU servers.
In terms of rank-to-traffic ratio, grandoptical.cz has 250 unique users per day, viewing 997 pages. The rank based value of grandoptical.cz is 9,461 USD. Every user makes 4.32 pageviews on average.
Grandoptical.cz boasts a link base consisting of 245 referring domains and 318 external backlinks, as revealed by the data obtained from web network scanning.
Grandoptical.cz top-level domain belongs to .CZ domain zone. Check other webpages in .CZ zone.
According the last verification test in August 21, 2024, grandoptical.cz has an expired SSL certificate issued by ZeroSSL (expired on September 28, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by ZeroSSL.
Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust grandoptical.cz is a fairly safe domain.
According the Mobile-Friendly test by Google grandoptical.cz is nice optimized for mobile devices and tablets.





| Domain | production.www.grandoptical.cz.gv0.proweb.hu |
| Issuer Organization | ZeroSSL |
| Issuer | ZeroSSL RSA Domain Secure Site CA |
| Algorithm | RSA-SHA384 |
| Valid form | 06/30/2024 |
| Expiration | 09/28/2024 |
| Signed | Certificate is not self signed |
| Additional Domains |
production.www.grandoptical.cz.gv0.proweb.hu grandoptical.cz www.grandoptical.cz |
Alexa Rank shows how popular grandoptical.cz is in comparison with other sites. The most popular site has Alexa Rank equals 1. If grandoptical.cz 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 grandoptical.cz and pageviews on grandoptical.cz over the past 3 months.
ASN ID: 62214
ASN Title: RACKFOREST-AS, HULast Update: 09/02/2025
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
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No match found for a 62214.
#
# 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
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
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% (c) 2006-2021 CZ.NIC, z.s.p.o.
%
% Intended use of supplied data and information
%
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
%
% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
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%
% Whoisd Server Version: 3.12.2
% Timestamp: Sun Jun 05 10:07:17 2022
domain: grandoptical.cz
registrant: FOTEX-CESKA-REPUBLIKA
admin-c: PRGBEST-TECH
nsset: AMAZON-GRANDOPTICAL
registrar: REG-ACTIVE24
registered: 01.03.2001 17:43:00
changed: 05.05.2021 09:28:32
expire: 01.03.2023
contact: FOTEX-CESKA-REPUBLIKA
org: GrandVision CZ s.r.o.
name: Luboš Brabenec
address: Lomnického 1742/2a
address: Praha 4
address: 140 00
address: Hl. m. Praha
address: CZ
registrar: REG-INTERNET-CZ
created: 30.01.2014 11:02:46
changed: 12.11.2019 14:33:03
contact: PRGBEST-TECH
name: Radek Saturka
address: Vítkova 32
address: Praha 8
address: 18600
address: CZ
registrar: REG-INTERNET-CZ
created: 04.09.2002 19:36:00
changed: 15.05.2018 21:32:00
nsset: AMAZON-GRANDOPTICAL
nserver: ns-1083.awsdns-07.org
nserver: ns-980.awsdns-58.net
nserver: ns-26.awsdns-03.com
nserver: ns-2044.awsdns-63.co.uk
tech-c: A24CONTACT-18143
registrar: REG-ACTIVE24
created: 05.05.2021 08:41:29
contact: A24CONTACT-18143
org: PragueBest s.r.o.
name: PragueBest s.r.o.
address: Vítkova 32
address: Praha 8
address: 18600
address: CZ
registrar: REG-ACTIVE24
created: 09.02.2009 21:05:15
changed: 15.05.2018 21:32:00
| Host | A Record | TTL |
|---|---|---|
| grandoptical.cz | 79.139.63.129 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| grandoptical.cz | grandoptical-cz.mail.protection.outlook.com | 10 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| grandoptical.cz | ns-1083.awsdns-07.org | 172800 |
| grandoptical.cz | ns-2044.awsdns-63.co.uk | 172800 |
| grandoptical.cz | ns-26.awsdns-03.com | 172800 |
| grandoptical.cz | ns-980.awsdns-58.net | 172800 |
| Host | TXT Record | TTL |
|---|---|---|
| grandoptical.cz | MS=ms28101942 | 3600 |
| grandoptical.cz | v=spf1 ip4:206.122.102.13 ip4:206.164.32.184 ip4:206.164.32.185 ip4:213.16.65.229 ip4:89.185.230.128/25 include:amazonses.com include:proweb.hu | 3600 |
ns-1083.awsdns-07.org
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400
Last tested: 03/14/2016

| Total Resources | 64 |
| Number of Hosts | 19 |
| Static Resources | 41 |
| JavaScript Resources | 12 |
| CSS Resources | 2 |
Last tested: 11/25/2019


| Total Resources | 61 |
| Number of Hosts | 13 |
| Static Resources | 43 |
| JavaScript Resources | 14 |
| CSS Resources | 1 |