scienceworld.cz ▷ Science World.cz | Novinky ze světa vědy a techniky: technologie, neživá příroda, člověk, biologie

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 2.86 sec.
Last Checked: 11/15/2024

Scienceworld.cz traffic volume is 401 unique daily visitors and their 482 pageviews. The web value rate of scienceworld.cz is 3,124 USD. Each visitor makes around 1.28 page views on average.

By Alexa's traffic estimates scienceworld.cz placed at 51,932 position over the world, while the largest amount of its visitors comes from Czech Republic, where it takes 20,945 place.

Perfect for scienceworld.cz that their data center (provided by company company ACTIVE 24) is located in Czech Republic, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by ACTIVE 24.

Scienceworld.cz registered under .CZ top-level domain. Check other websites in .CZ zone.

The last verification results, performed on (October 07, 2024) scienceworld.cz show that scienceworld.cz has a valid and up-to-date SSL certificate issued by Let's Encrypt expiring on December 30, 2024. Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust scienceworld.cz is pretty a safe domain.

Relying Google MobileFriendly test scienceworld.cz is well optimized for mobile and tablet devices.

Scienceworld.cz General Information

Global Rank

1,528,089

Average Load Time

1.10sec

Links In Count

226

Website Value

$2,920

Audience Geography. Where are scienceworld.cz visitors located?

Country	Visitors
Czech Republic CZ	63.6%
Slovakia SK	36.4%

Country	Pageviews
Czech Republic CZ	63.6%
Slovakia SK	36.4%

Country	Rank
Slovakia SK	18730
Czech Republic CZ	20945

Where do visitors go on scienceworld.cz?

Subdomain	Pageviews
scienceworld.cz	100%

Subdomain	Pageviews per User
scienceworld.cz	1

Subdomain	Reach
scienceworld.cz	100%

How popular is scienceworld.cz?

Period	Global Rank	Global Rank Delta
past 3 months	1528089	-1051114
past month	1278580	-252446
past week	1776028	857451

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	2149168	-1618796	1	100%	1.2	20%
30	1922999	-19205	1	2%	1	-31.51%
7	2358245	976103	1	-60.317%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1326747	-806995	26	90%
30	1032504	-395225	38	50%
7	1507539	748047	2	-60.317%

Scienceworld.cz Safety Information

Overview

Last Updated: 11/15/2024

Overall result - scienceworld.cz 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: 03/22/2024

scienceworld.cz is safe.

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

Google Safe Search

Last Updated: 06/25/2017

scienceworld.cz 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

scienceworld.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: 02/20/2021

scienceworld.cz is safe.

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

Web of Trust

Last Updated: 01/12/2019

scienceworld.cz child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	www.scienceworld.cz
Issuer Organization	Let's Encrypt
Issuer	E5
Algorithm	ecdsa-with-SHA384
Valid form	10/01/2024
Expiration	12/30/2024
Signed	Certificate is not self signed
Additional Domains	scienceworld.cz studentworld.cz www.scienceworld.cz www.studentworld.cz

Scienceworld.cz Server Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 25234
ASN Title: ACTIVE 24

Last Update: 07/30/2024

ASN Whois

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS25164 - AS25249'

as-block: AS25164 - AS25249
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2010-05-11T11:46:07Z
last-modified: 2014-02-24T13:15:17Z
source: RIPE

% Information related to 'AS25234'

% Abuse contact for 'AS25234' is 'abuse@active24.cz'

aut-num: AS25234
as-name: GLOBE-AS
descr: http://www.active24.cz/
descr: Czech Republic
org: ORG-GA5-RIPE
remarks: +---------------------------------------------------
remarks: | Upstream connectivity |
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remarks: *** Kaora ***
import: from AS42000 action pref=75; accept ANY
export: to AS42000 announce AS-ACTIVE24
mp-import: afi ipv6.unicast from AS42000 accept ANY
mp-export: afi ipv6.unicast to AS42000 announce AS-ACTIVE24
remarks: *** DialTelecom ***
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export: to AS29208 announce AS-ACTIVE24
mp-import: afi ipv6.unicast from AS29208 accept ANY
mp-export: afi ipv6.unicast to AS29208 announce AS-ACTIVE24
remarks: *** Casablanca ***
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mp-import: afi ipv6.unicast from AS15685 accept ANY
mp-export: afi ipv6.unicast to AS15685 announce AS-ACTIVE24
remarks: +---------------------------------------------------
remarks: | Transit customers |
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remarks: *** Loopia ***
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export: to AS39570 announce ANY
remarks: +---------------------------------------------------
remarks: | NIX peerings - IPv4 |
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export: to AS43614 announce AS-ACTIVE24
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remarks: ** pantel **
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export: to AS197284 announce AS-ACTIVE24
remarks: +---------------------------------------------------
remarks: | NIX peerings - IPv6 |
remarks: +---------------------------------------------------
remarks: ** CESNET **
mp-import: afi ipv6.unicast from AS2852 accept ANY
mp-export: afi ipv6.unicast to AS2852 announce AS-ACTIVE24
remarks: ** Skynet **
mp-import: afi ipv6.unicast from AS5407 accept ANY
mp-export: afi ipv6.unicast to AS5407 announce AS-ACTIVE24
remarks: ** Atrato IP Networks **
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mp-export: afi ipv6.unicast to AS5580 announce AS-ACTIVE24
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mp-import: afi ipv6.unicast from AS6830 accept ANY
mp-export: afi ipv6.unicast to AS6830 announce AS-ACTIVE24
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mp-export: afi ipv6.unicast to AS6939 announce AS-ACTIVE24
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remarks: ** master.cz **
mp-import: afi ipv6.unicast from AS24971 accept ANY
mp-export: afi ipv6.unicast to AS24971 announce AS-ACTIVE24
remarks: ** NIC.CZ **
mp-import: afi ipv6.unicast from AS25192 accept ANY
mp-export: afi ipv6.unicast to AS25192 announce AS-ACTIVE24
remarks: ** cdt.cz **
mp-import: afi ipv6.unicast from AS25512 accept ANY
mp-export: afi ipv6.unicast to AS25512 announce AS-ACTIVE24
remarks: ** ignum.cz **
mp-import: afi ipv6.unicast from AS29134 accept ANY
mp-export: afi ipv6.unicast to AS29134 announce AS-ACTIVE24
remarks: ** dialtelecom.cz **
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mp-export: afi ipv6.unicast to AS29208 announce AS-ACTIVE24
remarks: ** poda.cz **
mp-import: afi ipv6.unicast from AS30764 accept ANY
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remarks: ** maxprogres.cz **
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mp-export: afi ipv6.unicast to AS34315 announce AS-ACTIVE24
remarks: ** coolhousing.net **
mp-import: afi ipv6.unicast from AS35592 accept ANY
mp-export: afi ipv6.unicast to AS35592 announce AS-ACTIVE24
remarks: ** web4u **
mp-import: afi ipv6.unicast from AS39790 accept ANY
mp-export: afi ipv6.unicast to AS39790 announce AS-ACTIVE24
remarks: ** OVANET **
mp-import: afi ipv6.unicast from AS39817 accept ANY
mp-export: afi ipv6.unicast to AS39817 announce AS-ACTIVE24
remarks: ** i3b ascus **
mp-import: afi ipv6.unicast from AS39912 accept ANY
mp-export: afi ipv6.unicast to AS39912 announce AS-ACTIVE24
remarks: ** visual.cz **
mp-import: afi ipv6.unicast from AS41711 accept ANY
mp-export: afi ipv6.unicast to AS41711 announce AS-ACTIVE24
remarks: ** losan.cz **
mp-import: afi ipv6.unicast from AS41824 accept ANY
mp-export: afi ipv6.unicast to AS41824 announce AS-ACTIVE24
remarks: ** Kaora **
mp-import: afi ipv6.unicast from AS42000 accept ANY
mp-export: afi ipv6.unicast to AS42000 announce AS-ACTIVE24
remarks: ** Centrum Holdings **
mp-import: afi ipv6.unicast from AS43614 accept ANY
mp-export: afi ipv6.unicast to AS43614 announce AS-ACTIVE24
remarks: ** 4connect.cz **
mp-import: afi ipv6.unicast from AS51025 accept ANY
mp-export: afi ipv6.unicast to AS51025 announce AS-ACTIVE24
remarks: +---------------------------------------------------
remarks: | We filter the following bogus networks: |
remarks: | 10.0.0.0/8 |
remarks: | 127.0.0.0/8 |
remarks: | 172.16.0.0/12 |
remarks: | 192.168.0.0/16 |
remarks: | 224.0.0.0/3 |
remarks: | Operational issues 24x7: noc@active24.cz |
remarks: +---------------------------------------------------
admin-c: ATD8-RIPE
tech-c: ATD8-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-ACTIVE24-CZ
created: 2002-09-09T09:57:27Z
last-modified: 2017-11-15T09:19:55Z
source: RIPE

organisation: ORG-GA5-RIPE
org-name: ACTIVE 24
org-type: LIR
address: Sokolovska 394
address: 186 00
address: Prague 8
address: CZECH REPUBLIC
phone: +420 234 262 000
fax-no: +420 234 262 009
admin-c: ATD8-RIPE
abuse-c: ATD8-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: MNT-ACTIVE24-CZ
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-ACTIVE24-CZ
created: 2004-04-17T11:04:25Z
last-modified: 2017-10-30T14:52:15Z
source: RIPE # Filtered

role: ACTIVE 24 Technical Department
address: ACTIVE 24, s.r.o.
address: Sokolovska 394
address: 186 00 Praha 8
address: Czech Republic
phone: +420234262011
fax-no: +420234262009
org: ORG-GA5-RIPE
admin-c: TH5862-RIPE
tech-c: JD405-RIPE
tech-c: PS21041-RIPE
nic-hdl: ATD8-RIPE
abuse-mailbox: abuse@active24.cz
mnt-by: MNT-ACTIVE24-CZ
created: 2005-05-27T15:26:54Z
last-modified: 2017-08-30T08:43:10Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.91.2 (BLAARKOP)

Scienceworld.cz Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Your connection limit exceeded. Please slow down and try again later.

DNS Records

DNS Lookup Tool

Host	A Record	TTL
scienceworld.cz	31.15.13.31	3600

Host	MX Record	Priority	TTL
scienceworld.cz	mail.idg.cz	10	3600

Host	NS Record	TTL
scienceworld.cz	ns.monty.cz	3600
scienceworld.cz	ns3.monty.cz	3600
scienceworld.cz	ns2.monty.cz	3600

Host	TXT Record	TTL

ns.monty.cz
TTL: 3600
Email address: support.monty.cz
Serial: 2019072801
Refresh: 43200
Retry: 900
Expire: 2678400
Minimum: 3600

Scienceworld.cz HTML Validation

HTML Validation Tool

Errors

Obsolete doctype. Expected “<!DOCTYPE html>”.

Attribute “xmlns:fb” not allowed here.

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

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

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

Bad value “bookmark icon” for attribute “rel” on element “link”: The string “bookmark” is not a registered keyword.

Bad value “” for attribute “action” on element “form”: Must be non-empty.

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

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

Text not allowed in element “ul” in this context.

Attribute “x-webkit-speech” not allowed on element “input” at this point.

Duplicate attribute “width”.

Duplicate attribute “height”.

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

Bad value “infotab_1” for attribute “rel” on element “a”: The string “infotab_1” is not a registered keyword.

Bad value “infotab_2” for attribute “rel” on element “a”: The string “infotab_2” is not a registered keyword.

Bad value “infotab_3” for attribute “rel” on element “a”: The string “infotab_3” is not a registered keyword.

Bad value “infotab_4” for attribute “rel” on element “a”: The string “infotab_4” is not a registered keyword.

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

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

Bad element name “fb:like-box”: Code point “U+003A” is not allowed

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

Warnings

Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.

Element name “fb:like-box” cannot be represented as XML 1.0.

Scienceworld.cz Desktop Insights

Last tested: 12/30/2018

Desktop

Desktop Speed

79%

Avoid landing page redirects

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

Reduce server response time

Optimize images

Leverage browser caching

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	64
Number of Hosts	8
Static Resources	54
JavaScript Resources	27
CSS Resources	9

Scienceworld.cz Mobile Insights

Last tested: 12/30/2018

Mobile

Mobile Usability

97%

Size tap targets appropriately

Configure the viewport

Mobile Speed

72%

Avoid landing page redirects

Reduce server response time

Optimize images

Minify HTML

Mobile Resource Breakdown

Total Resources	16
Number of Hosts	2
Static Resources	13

Scienceworld.cz Typos

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