O2.sk O2 | Mobilné telefóny, internet a volacie programy

Férový operátor O2 Slovensko. Vyberte si z ponuky výhodných volaní, dátových balíčkov, mobilných telefónov a tabletov v O2 E-shope. Kontrola spotreby,...

O2.sk Overview

O2.sk ranking shows that the page is at position 59,171 over the world, while the bulk of its audience is from Slovakia, where it ranks 173.

O2.sk hosted on O2 Czech Republic, a.s servers in Czech Republic. To reduce page loading time for the majority of o2.sk users, we recommend migrating the server to Slovakia, as it will speed up o2.sk page load time for the majority of users. See the list of other webpages hosted on O2 Czech Republic, a.s servers.

In terms of rank-to-traffic ratio, o2.sk has 3,346 unique users per day, viewing 12,034 pages. The rank based value of o2.sk is 208,138 USD. Every user makes 3.85 pageviews on average.

O2.sk boasts a link base consisting of 566 referring domains and 675 external backlinks, as revealed by the data obtained from web network scanning.

O2.sk top-level domain belongs to .SK domain zone. Check other webpages in .SK zone.

According the last verification test in August 28, 2022, o2.sk has an expired SSL certificate issued by DigiCert Inc (expired on August 04, 2023). 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, Google Safe Search, Symantec and Web of Trust o2.sk is a fairly safe domain.

According the Mobile-Friendly test by Google o2.sk is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

O2.sk Rank Summary

Global Rank

59,171

Average Load Time

1.92sec

Links In Count

444

Website Value

$192,720

Audience Geography. Where are o2.sk visitors located?

Country	Visitors
Slovakia SK	86.2%
Austria AT	2.7%
Other	11.1%

Country	Pageviews
Slovakia SK	84.8%
Austria AT	4.1%
Other	11.1%

Country	Rank
Slovakia SK	173
Austria AT	7264

Where do visitors go on o2.sk?

Subdomain	Pageviews
o2.sk	81.81%
api.o2.sk	15.63%
other	2.56%

Subdomain	Pageviews per User
o2.sk	2.8
api.o2.sk	2

Subdomain	Reach
o2.sk	87.68%
api.o2.sk	26.79%

How popular is o2.sk?

Period	Global Rank	Global Rank Delta
past 3 months	59171	-24880
past month	54387	-3129
past week	47424	-17648
yesterday	339061	196470

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	59083	-25933	11	30%	3.6	3%
30	61598	10718	1	-18.74%	3	-32.13%
7	49189	-19407	14	40%	4	4%
1	424955	183009	8	-65.88%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	64314	-26857	98	30%
30	56676	-9588	11	20%
7	52332	-19447	12	30%
1	306012	191612	3	-65.88%

O2.sk Website Safety

Overview

Last Updated: 12/27/2024

Overall result - o2.sk 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: 03/21/2024

o2.sk is safe.

Norton ConnectSafe evaluates o2.sk for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 10/15/2016

o2.sk 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

o2.sk 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

o2.sk is safe.

McAfee assesses o2.sk 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 o2.sk for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

o2.sk child safety is very good.

The WOT calculates reputation of the o2.sk. This reputation system receives ratings from users and information from third-party sources, assesses the o2.sk for safety features and confirms, whether o2.sk is suitable for children.

SSL Information

SSL Checker Tool

Domain	www.o2.sk
Issuer Organization	DigiCert Inc
Issuer	Thawte EV RSA CA G2
Algorithm	RSA-SHA256
Valid form	08/04/2022
Expiration	08/04/2023
Signed	Certificate is not self signed
Additional Domains	www.o2.sk o2.sk

O2.sk Rank History

Alexa Rank shows how popular o2.sk is in comparison with other sites. The most popular site has Alexa Rank equals 1. If o2.sk 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 o2.sk and pageviews on o2.sk over the past 3 months.

O2.sk Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 5610

ASN Title: O2 Czech Republic, a.s.

Last Update: 12/06/2024

% 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 'AS5537 - AS5631'

as-block: AS5537 - AS5631
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: 2010-05-11T11:44:39Z
last-modified: 2014-02-24T13:15:16Z
source: RIPE

% Information related to 'AS5610'

% Abuse contact for 'AS5610' is 'abuse@o2.cz'

aut-num: AS5610
as-name: O2-CZECH-REPUBLIC
remarks: Za Brumlovkou 2
remarks: Prague 4
remarks: Czech Republic
remarks: ==================================================
remarks: in case of routing or peering problem
remarks: please contact router@o2.cz
remarks: Abuse contact abuse@o2.cz
remarks: ==================================================
remarks: ================== UP-STREAM PROVIDERS ==================
remarks: =
remarks: == UPSTREAM PROVIDER - Level 3 ==
import: from AS3356 action pref = 200; accept ANY AND NOT {0.0.0.0/0};
export: to AS3356 212.162.8.97 at 212.162.8.98 announce AS-CTIOL AND NOT {0.0.0.0/0};
remarks: =
remarks: == UPSTREAM PROVIDER - TeliaSonera ==
import: from AS1299 action pref = 200; accept ANY AND NOT {0.0.0.0/0};
export: to AS1299 announce AS-CTIOL AND {194.228.8.0/23} AND NOT {0.0.0.0/0};
remarks: =
remarks: ============ IPv6 UP-STREAM PROVIDERS ============
remarks: == UPSTREAM PROVIDER - Level 3 ==
remarks: =
mp-import: afi ipv6.unicast from AS3356 action pref = 200; accept ANY AND NOT {0.0.0.0/0};
mp-export: afi ipv6.unicast to AS3356 2001:1900:5:2:2::4afd at 2001:1900:5:2:2::4afe announce AS-CTIOL AND NOT {0.0.0.0/0};
remarks: =
remarks: == UPSTREAM PROVIDER - TeliaSonera ==
remarks: =
mp-import: afi ipv6.unicast from AS1299 action pref = 200; accept ANY AND NOT {0.0.0.0/0};
mp-export: afi ipv6.unicast to AS1299 2001:2000:3080:129::1 at 2001:2000:3080:129::2 announce AS-CTIOL AND NOT {0.0.0.0/0};
remarks: ========================= NIX PEERING ===================
import: from AS-TO2-NIX-PEER action pref = 100;accept PeerAS
export: to AS-TO2-NIX-PEER announce AS-CTIOL
remarks: =
remarks: ===================== IPv6 NIX PEERING ===============
mp-import: afi ipv6.unicast from AS-TO2-NIX-PEER action pref = 100;accept PeerAS
mp-export: afi ipv6.unicast to AS-TO2-NIX-PEER announce AS-CTIOL
remarks: =
remarks: ========================= NIX SECURE PEERING ===================
import: from AS112 action pref = 100;accept ANY
import: from AS2852 action pref = 100;accept ANY
import: from AS6881 action pref = 100;accept ANY
import: from AS25192 action pref = 100;accept ANY
import: from AS25234 action pref = 100;accept ANY
import: from AS29208 action pref = 100;accept ANY
import: from AS43037 action pref = 100;accept ANY
import: from AS47200 action pref = 100;accept ANY
remarks: =
export: to AS112 announce AS-O2CZSEC
export: to AS2852 announce AS-O2CZSEC
export: to AS6881 announce AS-O2CZSEC
export: to AS25192 announce AS-O2CZSEC
export: to AS25234 announce AS-O2CZSEC
export: to AS29208 announce AS-O2CZSEC
export: to AS43037 announce AS-O2CZSEC
export: to AS47200 announce AS-O2CZSEC
remarks: =
remarks: ===================== IPv6 NIX SECURE PEERING ===============
mp-import: afi ipv6.unicast from AS112 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS2852 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS6881 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS25192 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS25234 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS29208 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS43037 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS47200 action pref = 100;accept ANY
remarks: =
mp-export: afi ipv6.unicast to AS112 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS2852 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS6881 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS25192 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS25234 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS29208 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS43037 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS47200 announce AS-O2CZSEC
remarks: =
remarks: =
remarks: ============ IPv6 Peering ============
remarks: =
remarks: =
remarks: == Mafra ==
mp-import: afi ipv6.unicast from AS38952 accept AS38952
mp-export: afi ipv6.unicast to AS38952 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == GE Money Bank ==
mp-import: afi ipv6.unicast from AS25238 accept AS25238
mp-export: afi ipv6.unicast to AS25238 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == Internet Home (LOSAN) ==
mp-import: afi ipv6.unicast from AS41824 accept AS41824
mp-export: afi ipv6.unicast to AS41824 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == eHAMnet, s.r.o. ==
mp-import: afi ipv6.unicast from AS44712 accept AS44712
mp-export: afi ipv6.unicast to AS44712 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == Autocont ==
mp-import: afi ipv6.unicast from AS197376 accept AS197376
mp-export: afi ipv6.unicast to AS197376 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == CUZK ==
mp-import: afi ipv6.unicast from AS28892 accept AS28892
mp-export: afi ipv6.unicast to AS28892 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == DataSpring s.r.o. ==
mp-import: afi ipv6.unicast from AS201730 accept AS201730
mp-export: afi ipv6.unicast to AS201730 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == Prazska plynarenska ==
mp-import: afi ipv6.unicast from AS62102 accept AS62102
mp-export: afi ipv6.unicast to AS62102 announce {0.0.0.0/0};
remarks: =
remarks: == XLNET s.r.o. ==
mp-import: afi ipv6.unicast from AS57560 accept AS57560
mp-export: afi ipv6.unicast to AS57560 announce ANY
remarks: =
remarks: == Jan Ryznar ==
mp-import: afi ipv6.unicast from AS203645 accept AS203645
mp-export: afi ipv6.unicast to AS203645 announce ANY
remarks: =
remarks: == DHL ==
mp-import: afi ipv6.unicast from AS2571 accept AS2571
mp-export: afi ipv6.unicast to AS2571 announce ANY
remarks: =
remarks: == TS Bohemia ==
mp-import: afi ipv6.unicast from AS205724 accept AS205724
mp-export: afi ipv6.unicast to AS205724 announce ANY
remarks: =
remarks: =================== DIRECT PEERING PARTNERS =============
import: from AS24971 accept AS-MASTERCZ-CZNIX
export: to AS24971 announce AS-CTIOL
remarks: =
remarks: == CETIN ==
import: from AS28725 accept AS28725
export: to AS28725 announce ANY
remarks: =
import: from AS39392 accept AS-SUPERNETWORK
export: to AS39392 announce AS-CTIOL
remarks: =
remarks: ==== CZECH CUSTOMERS WITH INTERNATIONAL CONNECTIVITY ====
remarks: ========
remarks: IH-LOSAN
import: from AS41824 accept AS-LOSAN
export: to AS41824 announce ANY;
remarks: =
remarks: ==================== CZECH CUSTOMERS ====================
remarks: ========
remarks: Maurice Ward & Co., s.r.o.
import: from AS199059 accept AS199059
export: to AS199059 announce {0.0.0.0/0}
remarks: ========
remarks: ARIBA
import: from AS131306 accept AS131306
export: to AS131306 announce {0.0.0.0/0};
remarks: ========
remarks: G4S Cash Solutions (CZ), a.s.
import: from AS42969 accept AS42969
export: to AS42969 announce {0.0.0.0/0};
remarks: ========
remarks: SYCHROVNET
import: from AS47114 accept AS47114
export: to AS47114 announce {0.0.0.0/0};
import: from AS198813 accept AS198813
export: to AS198813 announce {0.0.0.0/0};
remarks: ========
remarks: Rudolf NET
import: from AS197393 accept AS197393
export: to AS197393 announce {0.0.0.0/0};
remarks: ========
remarks: GE Capital (Czech) Holding
import: from AS25238 accept AS25238
export: to AS25238 announce {0.0.0.0/0} and ANY;
remarks: ========
remarks: MUZO
import: from AS21241 accept AS21241
export: to AS21241 announce ANY;
remarks: ========
remarks: Seznam
import: from AS43037 accept AS43037
export: to AS43037 announce ANY;
remarks: ========
remarks: DHL
import: from AS2571 action pref = 800; accept AS2571
export: to AS2571 announce ANY;
remarks: ========
remarks: Mafra
import: from AS38952 action pref = 850; accept AS38952
export: to AS38952 announce ANY;
remarks: ========
remarks: VLP
import: from AS50695 action pref = 850; accept AS50695
export: to AS50695 announce ANY AND {0.0.0.0/0};
remarks: ========
remarks: Air Navigation Services of the Czech Republic
import: from AS15380 action pref = 830; accept AS15380
export: to AS15380 announce ANY;
remarks: ========
remarks: GROUP 4 Secure Solutions a.s
import: from AS25321 action pref = 830; accept AS25321
export: to AS25321 announce {0.0.0.0/0};
remarks: ========
remarks: GE Capital (Czech) Holdings
import: from AS25238 action pref = 80; accept AS25238
export: to AS25238 announce ANY;
remarks: ========
remarks: CZ.CTNET Autonomous Sytem
import: from AS20884 action pref = 80; accept AS-CTNET
export: to AS20884 announce ANY;
remarks: ========
remarks: Logica
import: from AS48405 action pref = 80; accept AS48405
export: to AS48405 announce ANY;
remarks: ========
remarks: LUKOIL
import: from AS13105 action pref = 80; accept AS13105
export: to AS13105 announce ANY;
remarks: ========
remarks: INTACTO GAMES a.s.
import: from AS51134 action pref = 80; accept AS51134
export: to AS51134 announce ANY AND {0.0.0.0/0};
remarks: ========
remarks: OMEGA tech s.r.o.
import: from AS196845 action pref = 80; accept AS196845
export: to AS196845 announce ANY;
remarks: ========
remarks: FDLNet
import: from AS198002 action pref = 850; accept AS198002
export: to AS198002 announce ANY;
remarks: ========
remarks: Autocont
import: from AS197376 action pref = 850; accept AS197376
export: to AS197376 announce ANY;
remarks: ========
remarks: BAJA Group s.r.o.
import: from AS57564 action pref = 850; accept AS57564
export: to AS57564 announce ANY;
remarks: ========
remarks: Cesky urad zememericky a katastralni
import: from AS28892 action pref = 850; accept AS28892
export: to AS28892 announce ANY;
remarks: ========
remarks: VITKOVICE IT SOLUTIONS a.s.
import: from AS56973 action pref = 850; accept AS56973
export: to AS56973 announce {0.0.0.0/0};
remarks: ========
remarks: Monet
import: from AS49580 action pref = 850; accept AS49580
export: to AS49580 announce ANY;
remarks: ========
remarks: Hela PC
import: from AS197879 action pref = 850; accept AS197879
export: to AS197879 announce ANY;
remarks: ========
remarks: Ceskomoravska rozvojova a zarucni banka
import: from AS56891 action pref = 850; accept AS56891
export: to AS56891 announce {0.0.0.0/0};
remarks: ========
remarks: ING Bank
import: from AS21205 action pref = 850; accept AS21205
export: to AS21205 announce ANY;
remarks: ========
remarks: INTERNETHOME (Mirovka.net)
import: from AS56442 action pref = 850; accept AS56442
export: to AS56442 announce {0.0.0.0/0};
remarks: ========
remarks: Martin Vicenik
import: from AS34955 action pref = 850; accept AS34955
export: to AS34955 announce ANY;
remarks: ========
remarks: ING POJISTOVNA
import: from AS197353 action pref = 850; accept AS197353
export: to AS197353 announce ANY;
remarks: ========
remarks: CCS Ceska spolecnost pro platebni karty s.r.o
import: from AS198103 action pref = 850; accept AS198103
export: to AS198103 announce ANY;
remarks: ========
remarks: SYCHROVNET
import: from AS47114 action pref = 850; accept AS47114
export: to AS47114 announce {0.0.0.0/0};
remarks: ========
remarks: ALTRON
import: from AS43866 action pref = 850; accept AS43866
export: to AS43866 announce ANY;
remarks: ========
remarks: AVX CZ
import: from AS50975 action pref = 850; accept AS50975
export: to AS50975 announce ANY;
remarks: ========
remarks: K2 connect solution s.r.o.
import: from AS197083 action pref = 850; accept AS197083
export: to AS197083 announce ANY;
remarks: ========
remarks: GOLDWARE CZ, s.r.o.
import: from AS198657 action pref = 850; accept AS198657
export: to AS198657 announce ANY;
remarks: ========
remarks: eHAMnet, s.r.o.
import: from AS44712 action pref = 850; accept AS44712
export: to AS44712 announce ANY;
remarks: ========
remarks: Internethome.
import: from AS51154 action pref = 850; accept AS-IHOLM AND AS57560
export: to AS51154 announce ANY
remarks: ========
remarks: DataSpring s.r.o.
import: from AS201730 action pref = 850; accept AS201730
export: to AS201730 announce ANY
remarks: ========
remarks: Prazska plynarenska
import: from AS62102 action pref = 850; accept AS62102
export: to AS62102 announce {0.0.0.0/0};
remarks: ========
remarks: XLNET s.r.o.
import: from AS57560 action pref = 850; accept AS57560
export: to AS57560 announce ANY
remarks: ========
remarks: ON-SEMICONDUCTOR-INC
import: from AS21942 action pref = 800; accept AS21942
export: to AS21942 announce ANY;
remarks: ========
remarks: Komercni banka, a. s.
import: from AS201163 action pref = 800; accept AS201163
export: to AS201163 announce ANY;
remarks: ========
remarks: FIO banka, a. s.
import: from AS62083 action pref = 800; accept AS62083
export: to AS62083 announce {0.0.0.0/0};
remarks: ========
remarks: AVG - Avast
import: from AS206334 action pref = 800; accept AS206334
export: to AS206334 announce ANY;
remarks: ========
remarks: SAP SE PRG
import: from AS203080 action pref = 800; accept AS203080
export: to AS203080 announce {0.0.0.0/0};
remarks: ========
remarks: TS Bohemia
import: from AS205724 action pref = 800; accept AS205724
export: to AS205724 announce ANY;
remarks: ========
remarks: ==================== END ====================
org: ORG-STaN1-RIPE
admin-c: CZO2-RIPE
tech-c: CZO2-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: AS5610-MTN
created: 2002-07-22T13:51:41Z
last-modified: 2018-07-02T13:17:19Z
source: RIPE

organisation: ORG-STaN1-RIPE
org-name: O2 Czech Republic, a.s.
org-type: LIR
address: Za Brumlovkou 266/2
address: 140 22
address: Praha 4 - Michle
address: CZECH REPUBLIC
phone: +420 2 71466184
fax-no: +420 2 71464414
admin-c: VAKO1-RIPE
admin-c: MV96-RIPE
admin-c: HVJI1-RIPE
tech-c: CZO2-RIPE
abuse-c: AR14410-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: AS5610-MTN
mnt-by: RIPE-NCC-HM-MNT
mnt-by: AS5610-MTN
created: 2004-04-17T11:04:17Z
last-modified: 2018-04-20T10:42:26Z
source: RIPE # Filtered

role: 5610-Tech-and-Admin
address: Za Brumlovkou 266/2
address: Praha 4 - Michle, PSC 140 22
nic-hdl: CZO2-RIPE
admin-c: VAKO1-RIPE
admin-c: MV96-RIPE
admin-c: HVJI1-RIPE
tech-c: VAKO1-RIPE
tech-c: HVJI1-RIPE
abuse-mailbox: abuse@o2.cz
org: ORG-STaN1-RIPE
mnt-by: AS5610-MTN
created: 2016-02-18T09:58:30Z
last-modified: 2018-04-20T10:44:21Z
source: RIPE # Filtered

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

O2.sk Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain: o2.sk
Registrant: IGN-272720
Admin Contact: IGN-272720
Tech Contact: REG-366491
Registrar: REG-366491
Created: 2004-09-10
Updated: 2022-08-09
Valid Until: 2023-09-10
Nameserver: dns.iol.cz
Nameserver: ns2.tel.cz
EPP Status: ok

Registrar: REG-366491
Name: Webglobe, s.r.o.
Organization: Webglobe, s.r.o.
Organization ID: 26159708
Phone: +420.603111111
Email: helpdesk@webglobe.cz
Street: Vinohradská 190
City: Praha 3
Postal Code: 13061
Country Code: CZ
Created: 2017-09-13
Updated: 2022-08-28

Contact: IGN-272720
Name: O2 Slovakia, s.r.o.
Organization: O2 Slovakia, s.r.o.
Organization ID: 47259116
Phone: +421.262020111
Email: erik.augustin@o2.sk
Street: Einsteinova 24
City: Bratislava
Postal Code: 851 01
Country Code: SK
Registrar: REG-366491
Created: 2022-06-30
Updated: 2022-07-13

DNS Records

DNS Lookup Tool

Host	A Record	TTL
o2.sk	160.218.168.20	10800

Host	MX Record	Priority	TTL
o2.sk	smtp-in.o2.cz	10	10800

Host	NS Record	TTL
o2.sk	ns2.tel.cz	10800
o2.sk	dns.iol.cz	10800

Host	TXT Record	TTL
o2.sk	google-site-verification=uDPbYv8Qx7SJC1-N954PRFTHz47q37Uzq8nuTtVK6F0	10800
o2.sk	cisco-ci-domain-verification=6605550f198478a5fd1a8331979d38ff406d61dce527c95d30911f3d6fdd1527	10800
o2.sk	MS=ms90703805	10800
o2.sk	v=spf1 include:out.o2.cz ip4:109.107.202.242 ip4:109.107.202.243 ip4:212.57.39.235 ip4:212.158.146.16/29 ip4:90.183.101.192/27 ip4:90.183.101.224/28 ip4:194.228.111.0/24 ip4:80.188.200.138/29 ip4:159.69.85.29 include:o2.secar.cz ?all	10800
o2.sk	google-site-verification=A3t9tJKlZd5S9lm6dooS_BcNxZOJPJihUzAxgGk41mI	10800
o2.sk	s78551d81x5ljj7ml83bsyd42nltkqv1	10800

dns.iol.cz
TTL: 10800
Email address: hostmaster.iol.cz
Serial: 2022081900
Refresh: 10800
Retry: 3600
Expire: 2592000
Minimum: 10800

O2.sk HTML Check

HTML Validation Tool

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Module scripts are not supported in most browsers yet.

The “type” attribute for the “style” element is not needed and should be omitted.

The “navigation” role is unnecessary for element “nav”.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

The first occurrence of ID “p_p_id_o4shopsmallshoppingcartportlet_WAR_shopportlet_” was here.

The first occurrence of ID “p_o4shopsmallshoppingcartportlet_WAR_shopportlet” was here.

The first occurrence of ID “portlet_o4shopsmallshoppingcartportlet_WAR_shopportlet” was here.

The first occurrence of ID “empty-cart” was here.

The first occurrence of ID “not-empty-cart” was here.

The first occurrence of ID “cart-count” was here.

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

Errors

A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.

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

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

Stray end tag “span”.

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

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

Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.

End tag “div” seen, but there were open elements.

Unclosed element “o2-picture”.

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

Duplicate ID “p_p_id_o4shopsmallshoppingcartportlet_WAR_shopportlet_”.

Duplicate ID “p_o4shopsmallshoppingcartportlet_WAR_shopportlet”.

Duplicate ID “portlet_o4shopsmallshoppingcartportlet_WAR_shopportlet”.

Duplicate ID “empty-cart”.

Duplicate ID “not-empty-cart”.

Duplicate ID “cart-count”.

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

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

CSS: “inset”: Property “inset” doesn't exist.

Stray end tag “h3”.

An element with the attribute “tabindex” must not appear as a descendant of the “a” element.

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

O2.sk Desktop Performance

Last tested: 12/14/2019

Desktop Speed

65%

Leverage browser caching

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

Optimize images

Avoid landing page redirects

Enable compression

Reduce server response time

Minify JavaScript

Minify HTML

Desktop Resource Breakdown

Total Resources	156
Number of Hosts	23
Static Resources	127
JavaScript Resources	62
CSS Resources	10

O2.sk Mobile Insights

Last tested: 05/22/2017

Mobile Usability

100%

Mobile Speed

44%

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

Leverage browser caching

Avoid landing page redirects

Prioritize visible content

Enable compression

Optimize images

Reduce server response time

Minify JavaScript

Mobile Resource Breakdown

Total Resources	136
Number of Hosts	36
Static Resources	82
JavaScript Resources	52
CSS Resources	6

O2.sk Common Typos

www.o2.com
www.o2.net
www.o2.org
www.o2.info
www.o2.biz
www.o2.us
www.o2.mobi
www.2.sk
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www.k2.sk
www.ok2.sk
www.ko2.sk
www.l2.sk
www.ol2.sk
www.lo2.sk
www.p2.sk
www.op2.sk
www.po2.sk
www.o.sk

O2.sk O2 | Mobilné telefóny, internet a volacie programy

Férový operátor O2 Slovensko. Vyberte si z ponuky výhodných volaní, dátových balíčkov, mobilných telefónov a tabletov v O2 E-shope. Kontrola spotreby,...

O2.sk Overview

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O2.sk Website Safety

O2.sk Rank History

O2.sk Hosting Information

O2.sk Domain Registration and Settings

O2.sk HTML Check

O2.sk Desktop Performance

O2.sk Mobile Insights

O2.sk Similar Audits

O2.sk Common Typos