Opop.cz OPOP výrobce kotlů na tuhá paliva

Česká společnost OPOP je výrobce, inovátor a dodavatel kotlů na tuhá paliva do celého světa už od roku 1959.

Opop.cz Overview

Opop.cz belongs to DIGITALOCEAN-ASN - DigitalOcean, LLC, US. Check the list of other websites hosted by DIGITALOCEAN-ASN - DigitalOcean, LLC, US.

In terms of rank-to-traffic ratio, opop.cz has 1,500 unique users per day, viewing 3,030 pages. The rank based value of opop.cz is 2,333 USD. Every user makes 2.16 pageviews on average.

Opop.cz boasts a link base consisting of 265 referring domains and 330 external backlinks, as revealed by the data obtained from web network scanning.

Opop.cz top-level domain belongs to .CZ domain zone. Check other webpages in .CZ zone.

According the last verification test in October 06, 2024, opop.cz has an expired SSL certificate issued by Let's Encrypt (expired on December 23, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing and Symantec opop.cz is a fairly safe domain.

Based on Mobile-Friendly test by Google opop.cz is poorly optimized for mobile phones and tablets. Remember that optimizing your website design for mobile devices ensures that all of your web pages perform well on all devices, page loading speed can also be accelerated.

Opop.cz Website Safety

Overview

Last Updated: 10/26/2025

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: 03/02/2025

opop.cz is safe.

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

Google Safe Search

Last Updated: 10/26/2025

Not yet checked.

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: 01/10/2019

opop.cz 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: 03/23/2021

opop.cz is safe.

McAfee assesses opop.cz 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 opop.cz for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 10/26/2025

opop.cz child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	opop.cz
Issuer Organization	Let's Encrypt
Issuer	R10
Algorithm	RSA-SHA256
Valid form	09/24/2024
Expiration	12/23/2024
Signed	Certificate is not self signed
Additional Domains	opop.cz www.opop.cz

Opop.cz Rank History

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

Opop.cz Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 14061

ASN Title: DIGITALOCEAN-ASN - DigitalOcean, LLC, US

Last Update: 09/25/2025

#
# 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: 14061
ASName: DIGITALOCEAN-ASN
ASHandle: AS14061
RegDate: 2012-09-25
Updated: 2012-09-25
Ref: https://rdap.arin.net/registry/autnum/14061

OrgName: DigitalOcean, LLC
OrgId: DO-13
Address: 101 Ave of the Americas
Address: 10th Floor
City: New York
StateProv: NY
PostalCode: 10013
Country: US
RegDate: 2012-05-14
Updated: 2018-07-17
Comment: http://www.digitalocean.com
Comment: Simple Cloud Hosting
Ref: https://rdap.arin.net/registry/entity/DO-13

OrgAbuseHandle: ABUSE5232-ARIN
OrgAbuseName: Abuse, DigitalOcean
OrgAbusePhone: +1-347-875-6044
OrgAbuseEmail: abuse@digitalocean.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5232-ARIN

OrgNOCHandle: NOC32014-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-347-875-6044
OrgNOCEmail: noc@digitalocean.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC32014-ARIN

OrgTechHandle: NOC32014-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-347-875-6044
OrgTechEmail: noc@digitalocean.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC32014-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.
#

Opop.cz Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

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DNS Records

DNS Lookup Tool

Host	A Record	TTL

Host	MX Record	Priority	TTL

Host	NS Record	TTL

Host	TXT Record	TTL

Opop.cz HTML Check

HTML Validation Tool

Errors

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Bad value “Pragma” for attribute “http-equiv” on element “meta”.

Bad value “Expires” for attribute “http-equiv” on element “meta”.

Bad value “screen, projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.

Element “input” is missing required attribute “alt”.

Duplicate ID “a-menu0”.

Bad value “../files/files/Plakát Projekt 043_1.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “../files/files/Logo OPZ barevn+ę.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “../files/files/logo eu_1.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “align” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

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

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

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

End tag for “body” seen, but there were unclosed elements.

Unclosed element “div”.

Warnings

The first occurrence of ID “a-menu0” was here.

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

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