Free Practice Quizzes: SEO, Web Development, SQL, Networking and Security
Short multiple-choice quizzes to check what you know. Your answers are scored in your browser with an explanation for every question, and nothing is saved or sent anywhere.
SEO
Web development
Quiz · 12 questions
HTML and CSS Quiz: 12 Questions
Check your HTML and CSS basics: semantic elements, alt text, labels, specificity, box model, flexbox, grid, units and positioning.
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Quiz · 12 questions
JavaScript Quiz: 12 Core Questions
Test your JavaScript fundamentals: scope, equality, truthy values, array methods, closures, promises, events and this.
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Quiz · 12 questions
PHP Quiz: 12 Questions on PHP 8
Check your PHP: match, nullsafe and named arguments, types, arrays, sessions, PDO, password hashing and output escaping.
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Quiz · 12 questions
SQL Quiz: 12 MySQL Questions
Test your SQL: queries, joins, GROUP BY and HAVING, NULL, indexes, keys, normalisation, transactions and injection.
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Networking and security
Quiz · 12 questions
Networking Quiz: 12 CCNA-Style Questions
Test your networking basics: OSI layers, TCP and UDP, private IP ranges, subnetting, DNS, DHCP, ARP, ports and IPv6.
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Quiz · 12 questions
Cybersecurity Quiz: 12 Basics Questions
Test your security basics: CIA triad, phishing, MFA, hashing, encryption, web attacks, firewalls, backups and patching.
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