Terms and conditions of use

1. Introduction

1.1 These terms and conditions shall govern your use of our website.

1.2 By using our website, you accept these terms and conditions in full; accordingly, if you disagree with these terms and conditions or any part of these terms and conditions, you must not use our website.

1.3 If you register with our website, use our in-browser test runner, submit any material to our website or use any of our website services, we will ask you to expressly agree to these terms and conditions.

1.4 You must be at least 18 years of age to use our website; by using our website or agreeing to these terms and conditions, you warrant and represent to us that you are at least 18 years of age.

2. Copyright notice

2.2 Subject to the express provisions of these terms and conditions:

(a) we, together with our licensors, own and control all the copyright and other intellectual property rights in our website and the material on our website; and

(b) all the copyright and other intellectual property rights in our website and the material on our website are reserved.

2.3 Service Tiers

We offer both free and paid subscription tiers:

(a) Users who are not logged in are able to access some free lessons and/or content

(b) Free accounts (while logged in) provide access to some free lessons and other content, which require a free, logged-in account.

(d) We reserve the right to modify the features available to free and paid accounts

(e) Some advanced lessons and technologies cannot be practically demonstrated through our in-browser test runner due to technical limitations (such as server-side components, build processes, or deployment scenarios). For such content, we provide alternative educational formats including code examples, explanations, external resources, or guidance for local development environments.

3. Permission to use website

3.1 You may:

(a) view pages from our website in a web browser;

(b) download pages from our website for caching in a web browser;

(d) execute test code using our in-browser test runner for educational purposes only

(e) access educational content in various formats as provided, including lessons that may require external tools or local development environments when browser simulation is not technically feasible.

subject to the other provisions of these terms and conditions, and providing that you will have no right to access or use materials that are only available under a subscription unless you have purchased a relevant subscription and that subscription is current.

3.2 Except as expressly permitted by Section 3.1 or the other provisions of these terms and conditions, you must not download any material from our website or save any such material to your computer.

3.3 You may only use our website for your own personal purposes; you must not use our website for any other purposes.

3.4 Except as expressly permitted by these terms and conditions, you must not edit or otherwise modify any material on our website.

3.5 Unless you own or control the relevant rights in the material, you must not:

(a) republish material from our website (including republication on another website);

(b) sell, rent or sub-licence material from our website;

(d) exploit material from our website for a commercial purpose; or

(e) redistribute material from our website.

3.6 Notwithstanding Section 3.5, you may redistribute our newsletter in electronic form to any person.

3.7 We reserve the right to suspend or restrict access to our website, to areas of our website and/or to functionality upon our website. We may, for example, suspend access to the website during server maintenance or when we update the website. You must not circumvent or bypass, or attempt to circumvent or bypass, any access restriction measures on the website.

4. Misuse of website

4.1 You must not:

(a) use our website in any way or take any action that causes, or may cause, damage to the website or impairment of the performance, availability, accessibility, integrity or security of the website;

(b) use our website in any way that is unlawful, illegal, fraudulent or harmful, or in connection with any unlawful, illegal, fraudulent or harmful purpose or activity;

(d) probe, scan or test the vulnerability of our website without our permission;

(e) circumvent any authentication or security systems or processes on or relating to our website;

(f) use our website to copy, store, host, transmit, send, use, publish or distribute any material which consists of (or is linked to) any spyware, computer virus, Trojan horse, worm, keystroke logger, rootkit or other malicious computer software;

(g) impose an unreasonably large load on our website resources (including bandwidth, storage capacity and processing capacity);

(h) conduct any systematic or automated data collection activities (including without limitation scraping, data mining, data extraction and data harvesting) on or in relation to our website without our express written consent;

(i) access or otherwise interact with our website using any robot, spider or other automated means, except for the purpose of search engine indexing;

(j) use our website except by means of our public interfaces;

(k) violate the directives set out in the robots.txt file for our website;

(l) use data collected from our website for any direct marketing activity (including without limitation email marketing, SMS marketing, telemarketing and direct mailing); or

(m) do anything that interferes with the normal use of our website.

4.2 You must not use data collected from our website to contact individuals, companies or other persons or entities.

4.3 When using our test runner, you must not:

(a) execute code designed to consume excessive computational resources or cause denial of service;

(b) attempt to access system resources, files, or network connections beyond the sandboxed environment;

(c) execute code containing infinite loops, recursive functions without proper termination, or other resource-intensive operations;

(d) run code that attempts to extract, reverse-engineer, or interfere with our test runner infrastructure;

(e) execute malicious code including but not limited to code designed to compromise security, extract data, or harm our systems;

(f) use the test runner to mine cryptocurrency or perform computationally intensive tasks unrelated to learning;

(g) attempt to bypass sandbox restrictions or security measures in the test runner environment.

4.4 We reserve the right to:

(a) terminate or timeout any test execution that exceeds reasonable resource limits;

(b) log and monitor code execution for security and performance purposes;

(d) modify sandbox restrictions and execution limits without prior notice.

4.5 You must ensure that all the information you supply to us through our website, or in relation to our website, is true, accurate, current, complete and non-misleading.

5. Use on behalf of organisation

5.1 If you use our website or expressly agree to these terms and conditions in the course of a business or other organisational project, then by so doing you bind both:

(a) yourself; and

(b) the person, company or other legal entity that operates that business or organisational project,

to these terms and conditions, and in these circumstances references to "you" in these terms and conditions are to both the individual user and the relevant person, company or legal entity;

6. Registration and accounts

6.1 You may register for an account with our website by completing and submitting the sign up form.

6.2 You must not allow any other person to use your account to access the website.

6.3 You must notify us in writing immediately if you become aware of any unauthorised use of your account.

6.4 You must not use any other person's account to access the website.

7. User login details

7.1 If you register for an account with our website, you will either provide an email address and password, or login via a third party service (such as Google or GitHub).

7.2 You must keep your password confidential.

7.3 You must notify us in writing immediately if you become aware of any disclosure of your password.

7.4 You are responsible for any activity on our website arising out of any failure to keep your password confidential, and may be held liable for any losses arising out of such a failure.

8. Cancellation and suspension of account

8.1 We may:

(a) edit your account details;

(b) temporarily suspend your account; and/or

at any time in our sole discretion, providing that if we cancel any services you have paid for and you have not breached these terms and conditions, you will be entitled to a refund of any amounts paid to us in respect of those services that were to be provided by us to you after the date of such cancellation; we will give you reasonable written notice of any cancellation under this Section 8.1.

8.2 You may cancel your account on our website using your account control panel on the website. You will not be entitled to any refund if you cancel your account in accordance with this Section 8.2.

9. Subscriptions

9.1 To become a subscriber to a training course on our website, you must pay the applicable subscription fees after you have registered for an account with our website. We will send you an acknowledgement of your order. Our membership and payments is handled by polar.sh.

9.2 For so long as your account and subscription remain active in accordance with these terms and conditions and subject to the other provisions of these terms and conditions, you will have access to the course materials and website features specified on our website in relation to the training course for which you have subscribed.

9.3 We may from time to time vary the benefits associated with a subscription (such as adding new lessons, updating existing lesson content, removing outdated lessons, modifying articles and educational materials, or changing content delivery methods to better serve educational objectives on the site) by giving you written notice of the variation, providing that, if in our reasonable opinion such a variation results in a substantial loss of value or functionality, you shall have the right to cancel your subscription, and we will refund to you any amounts paid to us in respect of any period of subscription after the date of such cancellation.

9.4 At the end of any period of subscription for which you have paid, and subject to the other provisions of these terms and conditions, your subscription will be automatically renewed and you must pay to us the applicable subscription fees, unless you cancel the subscription using the cancellation facility on our website before the date of renewal.

9.5 Free accounts may access limited content as specified on our website. Conversion from free to paid subscription may occur at any time and will be governed by these terms.

10. Fees

10.1 The fees in respect of our website services will be as set out on the website from time to time.

10.2 All amounts stated in these terms and conditions or on our website are stated exclusive of VAT. The final price (including any relevant VAT or other tax) will be shown before you complete the payment. This is handled by our payment processor polar.sh.

10.3 You must pay to us the fees in respect of our website services in advance, in cleared funds, in accordance with any instructions on our website.

10.4 We may vary fees from time to time by posting new fees on our website, but this will not affect fees for services that have been previously paid.

10.5 If you dispute any payment made to us, you must contact us immediately and provide full details of your claim.

10.6 If you make an unjustified credit card, debit card or other charge-back then you will be liable to pay us, within 7 days following the date of our written request:

(a) an amount equal to the amount of the charge-back;

(b) all third party expenses incurred by us in relation to the charge-back (including charges made by our or your bank or payment processor or card issuer);

(d) all our reasonable costs, losses and expenses incurred in recovering the amounts referred to in this Section 10.6 (including without limitation legal fees and debt collection fees),

and for the avoidance of doubt, if you fail to recognise or fail to remember the source of an entry on your card statement or other financial statement, and make a charge-back as a result, this will constitute an unjustified charge-back for the purposes of this Section 10.6.

10.7 If you owe us any amount under or relating to these terms and conditions, we may suspend or withdraw the provision of services to you.

11. Distance contracts: cancellation right

11.1 This Section 11 applies if and only if you offer to contract with us, or contract with us, as a consumer - that is, as an individual acting wholly or mainly outside your trade, business, craft or profession.

11.2 You may withdraw an offer to enter into a contract with us through our website, or cancel a contract entered into with us through our website, at any time within the period:

(a) beginning upon the submission of your offer; and

(b) ending at the end of 14 days after the day on which the contract is entered into,

subject to Section 11.3. You do not have to give any reason for your withdrawal or cancellation.

11.3 You agree that we may begin the provision of services before the expiry of the period referred to in Section 11.2, and you acknowledge that, if we do begin the provision of services before the end of that period, then:

(a) if the services are fully performed, you will lose the right to cancel referred to in Section 11.2;

(b) if the services are partially performed at the time of cancellation, you must pay to us an amount proportional to the services supplied or we may deduct such amount from any refund due to you in accordance with this Section 11.

11.4 In order to withdraw an offer to contract or cancel a contract on the basis described in this Section 11, you must inform us of your decision to withdraw or cancel (as the case may be). You may inform us by means of any clear statement setting out the decision. In the case of cancellation, you may inform us using the cancellation form that we will make available to you. To meet the cancellation deadline, it is sufficient for you to send your communication concerning the exercise of the right to cancel before the cancellation period has expired.

11.5 If you withdraw an offer to contract, or cancel a contract, on the basis described in this Section 11, you will receive a full refund of any amount you paid to us in respect of the offer or contract, except as specified in this Section 11.

11.6 We will refund money using the same method used to make the payment, unless you have expressly agreed otherwise. In any case, you will not incur any fees as a result of the refund.

11.7 We will process the refund due to you as a result of a cancellation on the basis described in this Section 11 without undue delay and, in any case, within the period of 14 days after the day on which we are informed of the cancellation.

12. Our rights to use your content

12.1 In these terms and conditions, "your content" means all works and materials (including without limitation text, code, comments, feedback, and files) that you submit, upload, or otherwise provide to our website through user inputs, forms, interactive features, including our in browser test runner.

12.2 You grant a licence to us to reproduce, store and publish your content on and in relation to this website and any successor website.

12.3 You grant to us the right to sub-licence the rights licenced under Section 12.2.

12.4 You grant to us the right to bring an action for infringement of the rights licenced under Section 12.2.

12.5 You hereby waive all your moral rights in your content to the maximum extent permitted by applicable law; and you warrant and represent that all other moral rights in your content have been waived to the maximum extent permitted by applicable law.

12.6 Without prejudice to our other rights under these terms and conditions, if you breach any provision of these terms and conditions in any way, or if we reasonably suspect that you have breached these terms and conditions in any way, we may delete, unpublish or edit any or all of your content.

12.7 Code submitted to our test runner remains your intellectual property, but you grant us a limited licence to execute, analyse, and store such code for the purpose of providing our educational services.

12.8 We may retain usage data and performance metrics from test runner sessions for service improvement purposes.

13. Rules about your content

13.1 You warrant and represent that your content will comply with these terms and conditions.

13.2 Your content must not be illegal or unlawful, must not infringe any person's legal rights, and must not be capable of giving rise to legal action against any person (in each case in any jurisdiction and under any applicable law).

13.3 Your content, and the use of your content by us in accordance with these terms and conditions, must not:

(a) be libellous or maliciously false;

(b) be obscene or indecent;

(c) infringe any copyright, moral right, database right, trade mark right, design right, right in passing off or other intellectual property right;

(d) infringe any right of confidence, right of privacy or right under data protection legislation;

(e) constitute negligent advice or contain any negligent statement;

(f) constitute an incitement to commit a crime, instructions for the commission of a crime or the promotion of criminal activity;

(g) be in contempt of any court or in breach of any court order;

(h) be in breach of racial or religious hatred or discrimination legislation;

(i) be in breach of any contractual obligation owed to any person;

(j) depict violence

(k) be pornographic, lewd, suggestive or sexually explicit;

(l) be untrue, false, inaccurate or misleading;

(m) consist of or contain any instructions, advice or other information which may be acted upon and could, if acted upon, cause illness, injury or death, or any other loss or damage;

(n) constitute spam;

(o) be offensive, deceptive, fraudulent, threatening, abusive, harassing, anti-social, menacing, hateful, discriminatory or inflammatory; or

(p) cause annoyance, inconvenience or needless anxiety to any person.

14. Report abuse

14.1 If you learn of any unlawful material or activity on our website, or any material or activity that breaches these terms and conditions, please let us know.

14.2 You can let us know about any such material or activity by visiting our contact page

15. Limited warranties

15.1 We do not warrant or represent:

(a) the completeness or accuracy of the information published on our website, and you acknowledge that all educational content, articles, and resources are provided for general educational purposes only and do not constitute professional, legal, financial, or technical advice for any specific situation;

(b) that the material on the website is up to date;

(d) that the website or any service on the website will remain available.

15.2 We reserve the right to discontinue or alter any or all of our website services, and to stop publishing our website, at any time in our sole discretion without notice or explanation; and save to the extent expressly provided otherwise in these terms and conditions, you will not be entitled to any compensation or other payment upon the discontinuance or alteration of any website services, or if we stop publishing the website.

15.3 To the maximum extent permitted by applicable law and subject to Section 16.1, we exclude all representations and warranties relating to the subject matter of these terms and conditions, our website and the use of our website.

15.4 Our test runner is provided for educational purposes only. We do not warrant that:

(a) the test runner will perfectly replicate production testing environments - it is a simulation to aid teaching the lesson and should not be relied upon as the exact same as real test runners;

(b) code that passes in our test runner will work identically in other environments;

(d) test results will be permanently stored or accessible.

(e) all educational content can be delivered through the in-browser test runner - some advanced topics require alternative delivery methods due to technical constraints.

15.5 Free services are provided "as is" with no warranty of continued availability. We reserve the right to discontinue or limit free services at any time.

15.6 Educational content is delivered in the most appropriate format for each topic. While we strive to provide hands-on browser-based experiences where possible, some advanced concepts require alternative educational approaches including external resources, local development setup instructions, or theoretical explanations when practical demonstration is not technically feasible within a browser environment.

16. Limitations and exclusions of liability

16.1 Nothing in these terms and conditions will:

(a) limit or exclude any liability for death or personal injury resulting from negligence;

(b) limit or exclude any liability for fraud or fraudulent misrepresentation;

(d) exclude any liabilities that may not be excluded under applicable law,

and, if you are a consumer, your statutory rights will not be excluded or limited by these terms and conditions, except to the extent permitted by law.

16.2 The limitations and exclusions of liability set out in this Section 16 and elsewhere in these terms and conditions:

(a) are subject to Section 16.1; and

(b) govern all liabilities arising under these terms and conditions or relating to the subject matter of these terms and conditions, including liabilities arising in contract, in tort (including negligence) and for breach of statutory duty, except to the extent expressly provided otherwise in these terms and conditions.

16.3 To the extent that our website and the information and services on our website are provided free of charge, we will not be liable for any loss or damage of any nature.

16.4 We will not be liable to you in respect of any losses arising out of any event or events beyond our reasonable control.

16.5 We will not be liable to you in respect of any business losses, including (without limitation) loss of or damage to profits, income, revenue, use, production, anticipated savings, business, contracts, commercial opportunities or goodwill.

16.6 We will not be liable to you in respect of any loss or corruption of any data, database or software, providing that if you contract with us under these terms and conditions as a consumer, this Section 16.6 shall not apply.

16.7 We will not be liable to you in respect of any special, indirect or consequential loss or damage, providing that if you contract with us under these terms and conditions as a consumer, this Section 16.7 shall not apply.

17. Indemnity

17.1 You hereby indemnify us, and undertake to keep us indemnified, against any and all losses, damages, costs, liabilities and expenses (including without limitation legal expenses and any amounts paid by us to a third party in settlement of a claim or dispute) incurred or suffered by us and arising directly or indirectly out of your use of our website or any breach by you of any provision of these terms and conditions.

18. Breaches of these terms and conditions

18.1 Without prejudice to our other rights under these terms and conditions, if you breach these terms and conditions in any way, or if we reasonably suspect that you have breached these terms and conditions in any way, we may:

(a) send you one or more formal warnings;

(b) temporarily suspend your access to our website;

(d) block computers using your IP address from accessing our website;

(e) commence legal action against you, whether for breach of contract or otherwise; and/or

(f) suspend or delete your account on our website.

19. Third party websites

19.1 Our website includes hyperlinks to other websites owned and operated by third parties; such hyperlinks are not recommendations.

19.2 We have no control over third party websites and their contents, and subject to Section 16.1 we accept no responsibility for them or for any loss or damage that may arise from your use of them.

20. Trade marks

20.1 HowToTestFrontend.com, our logos and our other unregistered trade marks are trade marks belonging to us; we give no permission for the use of these trade marks, and such use may constitute an infringement of our rights.

20.2 The third party registered and unregistered trade marks or service marks on our website are the property of their respective owners and, unless stated otherwise in these terms and conditions, we do not endorse and are not affiliated with any of the holders of any such rights and as such we cannot grant any licence to exercise such rights.

21. Variation

21.1 We may revise these terms and conditions from time to time.

21.2 The revised terms and conditions shall apply to the use of our website from the date of publication of the revised terms and conditions on the website, and you hereby waive any right you may otherwise have to be notified of, or to consent to, revisions of these terms and conditions.

21.3 If you have given your express agreement to these terms and conditions, we will ask for your express agreement to any revision of these terms and conditions; and if you do not give your express agreement to the revised terms and conditions within such period as we may specify, we will disable or delete your account on the website, and you must stop using the website.

22. Assignment

22.1 You hereby agree that we may assign, transfer, sub-contract or otherwise deal with our rights and/or obligations under these terms and conditions - providing, if you are a consumer, that such action does not serve to reduce the guarantees benefiting you under these terms and conditions.

22.2 You may not without our prior written consent assign, transfer, sub-contract or otherwise deal with any of your rights and/or obligations under these terms and conditions.

23. Severability

23.1 If a provision of these terms and conditions is determined by any court or other competent authority to be unlawful and/or unenforceable, the other provisions will continue in effect.

23.2 If any unlawful and/or unenforceable provision of these terms and conditions would be lawful or enforceable if part of it were deleted, that part will be deemed to be deleted, and the rest of the provision will continue in effect.

24. Third party rights

24.1 A contract under these terms and conditions is for our benefit and your benefit, and is not intended to benefit or be enforceable by any third party.

24.2 The exercise of the parties' rights under a contract under these terms and conditions is not subject to the consent of any third party.

25. Entire agreement

25.1 Subject to Section 16.1, these terms and conditions, together with our privacy and cookies policy, shall constitute the entire agreement between you and us in relation to your use of our website and shall supersede all previous agreements between you and us in relation to your use of our website.

26. Law and jurisdiction

26.1 These terms and conditions shall be governed by and construed in accordance with English law.

26.2 Any disputes relating to these terms and conditions shall be subject to the non-exclusive jurisdiction of the courts of England.

27. Statutory and regulatory disclosures

27.1 We will not file a copy of these terms and conditions specifically in relation to each user or customer and, if we update these terms and conditions, the version to which you originally agreed will no longer be available on our website. We recommend that you consider saving a copy of these terms and conditions for future reference.

27.2 These terms and conditions are available in the English language only.

28. Our details/contact

28.1 You can contact us:

(a) using our website contact form;

(b) by email, using the email address published on our website.

29. Our Content and Intellectual Property

29.1 All lessons, articles, educational resources, test runner code, website design, and other materials created by us (collectively "Our Content") are owned by us and protected by copyright and other intellectual property laws. This does not include third-party open-source components, which remain the property of their respective authors and are licensed under their respective licences.

29.2 Subject to your compliance with these terms and your subscription status, we grant you a limited, non-exclusive, non-transferable licence to access and use Our Content solely for your personal educational purposes.

29.3 You may not reproduce, distribute, modify, create derivative works from, publicly display, or commercially exploit Our Content without our express written permission.

29.4 This licence terminates automatically if your subscription expires or if you breach these terms.