Sqlzoo.net SQLZoo


Sqlzoo.net Overview

When it comes to learning SQL, sqlzoo.net is a valuable resource offering many interactive tutorials and exercises for both beginners and advanced SQL users. The website has a clean and simple design that allows users to easily navigate the site and immediately access the SQL queries they need to improve their skills.

The website's homepage is divided into sections that cater to different skill levels and areas of interest. For example, the “Simple SQL” section offers a step-by-step tutorial for beginners, while the “Test Data” section provides large datasets for users to practice their SQL queries. The website also has several sections that focus on specific SQL functions, such as “Aggregate Functions” and “String Functions.”

The website has an active community of users who contribute to its forums, providing valuable feedback and tips to help other users improve their skills. The forums provide a space for users to ask questions and receive support from other members of the community.

One notable feature of sqlzoo.net is its SSL certificate, issued by Let's Encrypt. This ensures that all data transmitted between the user's browser and the website is securely encrypted, protecting sensitive user information from prying eyes.

According to PageSpeed Insights, the website has a speed score of 71, which indicates that the site has a good loading speed. However, there may still be some opportunities to improve the site's performance, such as optimizing image file sizes and minimizing the number of HTTP requests.

Overall, sqlzoo.net is a family-friendly website that provides an excellent resource for anyone looking to improve their SQL skills. With its intuitive design, large dataset, interactive tutorials, and active community of users, sqlzoo.net is a valuable asset for anyone starting out or looking to improve their SQL skills.


Sqlzoo.net Rank Summary

Global Rank
84,174
Average Load Time
0.74sec
Links In Count
691
Website Value
$140,300

Sqlzoo.net Website Safety

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Overview
Last Updated: 05/20/2025
Overall result - sqlzoo.net 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.
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Last Updated: 03/23/2025
sqlzoo.net is safe.
Norton ConnectSafe evaluates sqlzoo.net for any unsafe and insecure content. The results are critical for families with young children.
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Last Updated: 10/24/2016
sqlzoo.net is safe.
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Google Safe Browsing
Last Updated: 01/09/2019
sqlzoo.net is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
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Last Updated: 02/23/2021
sqlzoo.net is safe.
McAfee assesses sqlzoo.net 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 sqlzoo.net for mature or inappropriate content, only security checks are evaluated.
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Web of Trust
Last Updated: 01/10/2019
sqlzoo.net child safety is very good.
The WOT calculates reputation of the sqlzoo.net. This reputation system receives ratings from users and information from third-party sources, assesses the sqlzoo.net for safety features and confirms, whether sqlzoo.net is suitable for children.

SSL Information
Domainsqlzoo.net
Issuer OrganizationLet's Encrypt
IssuerR10
AlgorithmRSA-SHA256
Valid form09/18/2024
Expiration12/17/2024
SignedCertificate is not self signed
Additional Domains napier.sqlzoo.net
sqlzoo.net

Sqlzoo.net Rank History

Sqlzoo.net Hosting Information

Server Location

ASN Information

ASN ID: 56478

ASN Title: Hyperoptic Ltd

Last Update: 04/13/2025

% 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 'AS56320 - AS58367'

as-block: AS56320 - AS58367
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: 2015-09-30T14:19:22Z
last-modified: 2015-09-30T14:19:22Z
source: RIPE

% Information related to 'AS56478'

% Abuse contact for 'AS56478' is 'abuse@hyperoptic.com'

aut-num: AS56478
as-name: BCUBE-AS
org: ORG-BL107-RIPE
import: from AS174 accept ANY
export: to AS174 announce AS56478
import: from AS6461 accept ANY
export: to AS6461 announce AS56478
admin-c: SA7920-RIPE
tech-c: SA7920-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-BCUBE
created: 2011-03-01T12:25:42Z
last-modified: 2018-09-04T10:59:22Z
source: RIPE # Filtered

organisation: ORG-BL107-RIPE
org-name: Hyperoptic Ltd
org-type: LIR
address: Hythe House
200 Shepherds Bush Road
address: W6 7NL
address: London
address: UNITED KINGDOM
phone: +44333 332 1111
fax-no: +448082802390
tech-c: SA7920-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: MNT-BCUBE
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-BCUBE
admin-c: SA7920-RIPE
abuse-c: SA31055-RIPE
created: 2010-11-15T13:07:00Z
last-modified: 2017-07-06T12:56:43Z
source: RIPE # Filtered

person: Bojan Loncar
address: Hyperoptic Ltd
address: Hythe House
address: 200 Shepherds Bush Road
address: London, W6 7NL
phone: +44 333 332 1100
nic-hdl: SA7920-RIPE
mnt-by: SA68532-MNT
created: 2011-06-13T09:58:23Z
last-modified: 2017-10-30T22:14:00Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.92.5 (HEREFORD)

Sqlzoo.net Domain Registration and Settings

WHOIS

Domain Name: SQLZOO.NET
Registry Domain ID: 87058414_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.123-reg.co.uk
Registrar URL: http://www.meshdigital.com
Updated Date: 2024-02-06T10:50:09Z
Creation Date: 2002-05-29T17:20:23Z
Registry Expiry Date: 2029-05-29T17:20:23Z
Registrar: 123-Reg Limited
Registrar IANA ID: 1515
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: ok https://icann.org/epp#ok
Name Server: NS59.DOMAINCONTROL.COM
Name Server: NS60.DOMAINCONTROL.COM
DNSSEC: signedDelegation
DNSSEC DS Data: 42603 13 2 B33CBBF452D65A5EC7FB5899A4135092BE8CF763AF42F47D28FAFEFAE6FD2FB9
DNSSEC DS Data: 46104 13 2 524B9414B8859B745C5F215F45F061DCE862668748614787DE8BE1C83B537A08
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-19T10:42:44Z


DNS Records
HostA RecordTTL
sqlzoo.net146.176.166.583600
HostMX RecordPriorityTTL
HostNS RecordTTL
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sqlzoo.netns1.dnsmadeeasy.com86400
HostTXT RecordTTL

ns0.dnsmadeeasy.com
TTL: 86400
Email address: dns.dnsmadeeasy.com
Serial: 2008010124
Refresh: 43200
Retry: 3600
Expire: 1209600
Minimum: 180

Sqlzoo.net HTML Check


Errors
Warnings

Sqlzoo.net Desktop Performance

Last tested: 12/08/2016

Speedometer image
Desktop Speed
86%

Desktop Resource Breakdown
Total Resources22
Number of Hosts4
Static Resources17
JavaScript Resources11
CSS Resources2

Sqlzoo.net Mobile Insights

Last tested: 12/08/2016

Speedometer image
Mobile Usability
98%
Speedometer image
Mobile Speed
71%

Mobile Resource Breakdown
Total Resources36
Number of Hosts6
Static Resources28
JavaScript Resources16
CSS Resources3

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