GWO - Gdańskie Wydawnictwo Oświatowe

Oferta wydawnicza GWO: podręczniki szkolne, multimedia, e-booki, zeszyty ćwiczeń, zbiory zadań, książki pomocnicze, poradniki dla nauczyciela, pomo...

Online Status

Server IP address resolved: Yes
Http response code: 200
Response time: 1.87 sec.
Last Checked: 02/06/2023

Over the time has been ranked as high as 11,604 in the world, while most of its traffic comes from Poland, where it reached as high as 448 position. receives about 3,683 unique visitors and 20,735 pageviews per day. The estimated value of is 359,160 USD. Each unique visitor makes about 5.63 pageviews on average. is registered under .PL top-level domain. Check other websites in .PL zone.

At the time of the last check (November 22, 2019) has an expired wildcard SSL certificate issued by DigiCert Inc (expired on July 16, 2021). Check other websites using SSL certificates issued by DigiCert Inc.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust is quite a safe domain.

Mobile-Friendly test indicates that is well optimized for mobile and tablet devices, however website page loading time could be improved.

Global Rank
Average Load Time
Links In Count
Website Value

Last Updated: 04/02/2023
Overall result - "" 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: 03/20/2023 is safe.

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

Google Safe Search
Last Updated: 10/20/2016 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
Malware not found at "".
"" is not a phishing page.
"" does not install unwanted software.
"" does not contain harmfull applications.
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: 02/23/2021 is safe.

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

Web of Trust
Last Updated: 01/10/2019 child safety isvery good.

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

SSL Information
Domain *
Issuer OrganizationDigiCert Inc
Issuer RapidSSL RSA CA 2018
Algorithm RSA-SHA256
Valid form 06/17/2019
Expiration 07/16/2021
SignedCertificate is not self signed
Additional Domains *
Server Location
ASN Information

Last Update: 01/13/2023

% This is the RIPE Database query service.
% The objects are in RPSL format.
% The RIPE Database is subject to Terms and Conditions.
% See

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

% Information related to 'AS12557 - AS13223'

as-block: AS12557 - AS13223
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
created: 2010-05-11T11:45:03Z
last-modified: 2014-02-24T13:15:16Z
source: RIPE

% Information related to 'AS12831'

% Abuse contact for 'AS12831' is ''

aut-num: AS12831
as-name: TASK-AS
remarks: Gdansk University of Technology
remarks: Academic Computer Center TASK
remarks: ul. Narutowicza 11/12
remarks: 80-233 Gdansk
remarks: Poland
import: from AS5550 accept ANY
import: from AS13293 accept ANY
import: from AS35628 accept ANY
import: from AS196844 accept ANY
import: from AS12827 accept AS12827
import: from AS31683 accept AS31683
export: to AS5550 announce ANY
export: to AS13293 announce
export: to AS35628 announce
export: to AS196844 announce ANY
export: to AS12827 announce ANY
export: to AS31683 announce ANY
admin-c: SP547-RIPE
tech-c: DK3003-RIPE
status: ASSIGNED
created: 1970-01-01T00:00:00Z
last-modified: 2017-11-15T09:13:38Z
source: RIPE # Filtered

organisation: ORG-TUoG1-RIPE
org-name: Technical University of Gdansk, Academic Computer Center TASK
org-type: LIR
address: ul.Narutowicza 11/12
address: 80-233
address: Gdansk
address: POLAND
phone: +48583471077
fax-no: +48583471006
admin-c: DK3003-RIPE
admin-c: SP547-RIPE
mnt-ref: AS5550-MNT
mnt-ref: TASK-GDA-PL-MNT
mnt-ref: RIPE-NCC-HM-MNT
abuse-c: TASK2-RIPE
created: 2004-04-17T11:48:10Z
last-modified: 2016-09-12T08:06:49Z
source: RIPE # Filtered

person: Dariusz Klimowicz
address: Academic Computer Center TASK
address: Gdansk University of Technology
address: ul. Narutowicza 11/12
address: 80-233 Gdansk
address: Poland
phone: +48 58 3472321
fax-no: +48 58 3471006
nic-hdl: DK3003-RIPE
created: 1970-01-01T00:00:00Z
last-modified: 2013-12-17T08:58:16Z
source: RIPE # Filtered

person: Slawomir Polomski
address: Academic Computer Center TASK
address: Gdansk University of Technology
address: ul. Narutowicza 11/12
address: 80-233 Gdansk
address: Poland
phone: +48 58 3471852
fax-no: +48 58 3471006
nic-hdl: SP547-RIPE
created: 1970-01-01T00:00:00Z
last-modified: 2013-12-17T08:59:42Z
source: RIPE # Filtered

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


request limit exceeded

DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL
gwo.plv=spf1 a mx ip4: ip4: ip4: ip4: ip4:
TTL: 86400
Email address:
Serial: 1566463391
Refresh: 14400
Retry: 7200
Expire: 2419200
Minimum: 3600


Last tested: 05/09/2017

Desktop Speed
Desktop Resource Breakdown
Total Resources58
Number of Hosts10
Static Resources45
JavaScript Resources15
CSS Resources7

Last tested: 04/19/2017

Mobile Usability
Mobile Speed
Mobile Resource Breakdown
Total Resources60
Number of Hosts10
Static Resources47
JavaScript Resources15
CSS Resources7