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Terms of Service

The following terms and conditions govern all use of the website (“The Website”) and all content, services and products available at or through the website. The Website is owned and operated by Jaime Iniesta (“The Developer”). The Website is offered subject to your acceptance without modification of all of the terms and conditions contained herein and all other operating rules, policies and procedures that may be published from time to time on this Website by The Developer (collectively, the “Agreement”).

Please read this Agreement carefully before accessing or using the Website. By accessing or using any part of the Website, you agree to become bound by the terms and conditions of this agreement. If you do not agree to all the terms and conditions of this agreement, then you may not access the Website or use any of its services. If these terms and conditions are considered an offer by The Developer, acceptance is expressly limited to these terms.

1.- Description of the service. is a web application that lets you submit several URLs for markup checking using third-party, open source software like the “Nu HTML Checker (”, taken from and the axe-core accessibility engine, taken from, which we’ll now refer to as the “Checkers”.

The software for the Checkers is not created nor maintained by the Developer. acts as an intermediary between You and the Checkers, so when you submit a URL to, this initial URL will be scraped in search for links, most of which will then be submitted to the Checkers.

The spider will visit the initial URL provided by You, and it may also follow any link found on this visit, and may do this recursively on the links found on the linked URLs.

The spider will request this information making GET requests, passing along any parameters it might find on the scraped links. It will not take into consideration the robots.txt exclusions, and will follow any public link found on the site. You’re responsible for any side effects this may trigger on the scraped website, and should protect these actions appropiately.

The submitted URLs, and all URLs found from it on the spidering process, as well as the generated report with their issues, are considered public data and so can be publicly reproduced on The Website. will show the information about issues returned by the Checkers, associated to the affected URLs. This is purely informational and should be used as a guide, but not as a guarantee that the checked pages are or aren’t affected by the returned issues. The fact that hasn’t found any issue on a web page does not imply that the web page is free of issues; the fact that has found an issue on a web page does not imply that this issue really exists as it might be a false positive caused by a temporary situation of the checked web page or an error in the third-party Checkers.

2.- Not associated with the W3C or Deque Systems is not associated with the W3C (creators of the Nu.HTML checker) or Deque Systems (creators of the axe-core checker) in any way.

3.- Your Account and Data.

If you create an account on the Website, you are responsible for maintaining the security of your account and data, and you are fully responsible for all activities that occur under the account and any other actions taken in connection with it. You must immediately notify The Developer of any unauthorized uses of your account or any other breaches of security. The Developer will not be liable for any acts or omissions by You, including any damages of any kind incurred as a result of such acts or omissions.

You can sign up to the Website newsletter; this is an external service, entirely run by Revue (, a company not related to Rocket Validator, so if you subscribe to the newsletter, you agree to their terms of service and privacy policy.

4.- Payment and Renewal.

4.1.- Purchase and Product Fulfillment.

Neither The Website nor The Developer sells You any product or service, handles any payment or processes any invoices.

Purchases and product fulfillment are made through FastSpring, an authorized reseller of software and other digital products. You can read their terms and conditions on

4.2.- Paid Services.

Optional paid services are available on the Website (any such services, an “Upgrade”). By selecting an Upgrade you agree to pay FastSpring the one time, monthly or yearly subscription fees indicated for that service. Payments will be charged on a pre-pay basis on the day you sign up for an Upgrade and will cover the use of that service for a one time use, monthly or yearly subscription period as indicated. Upgrade fees are not refundable.

4.3.- Automatic Renewal.

Your Upgrade subscription will automatically renew and you authorize FastSpring to collect the then-applicable fee for such Upgrade (as well as any taxes) using any credit card or other payment mechanism FastSpring has on record for you. Subscriptions can be cancelled at any time in the Website.

5.- Intellectual Property.

This Agreement does not transfer from The Developer to you any The Developer or third party intellectual property, and all right, title and interest in and to such property will remain (as between the parties) solely with The Developer. Your use of the Website grants you no right or license to reproduce or otherwise use any The Developer or third-party trademarks.

6.- Advertisements.

The Developer reserves the right to display advertisements on the Website.

7.- Changes.

The Developer reserves the right, at its sole discretion, to modify or replace any part of this Agreement. It is your responsibility to check this Agreement periodically for changes. Your continued use of or access to the Website following the posting of any changes to this Agreement constitutes acceptance of those changes. The Developer may also, in the future, offer new services and/or features through the Website (including, the release of new tools and resources). Such new features and/or services shall be subject to the terms and conditions of this Agreement.

8.- Termination.

The Developer may terminate your access to all or any part of the Website at any time, with or without cause, with or without notice, effective immediately. If you wish to terminate this Agreement or your account (if you have one), you may simply discontinue using the Website. The Developer can terminate the Website immediately as part of a general shut down of the service.

9.- Disclaimer of Warranties.

The Website is provided “as is”. The Developer and its suppliers and licensors hereby disclaim all warranties of any kind, express or implied, including, without limitation, the warranties of merchantability, fitness for a particular purpose and non-infringement. Neither The Developer nor its suppliers and licensors, makes any warranty that the Website will be error free or that access thereto will be continuous or uninterrupted. You understand that you download from, or otherwise obtain content or services through, the Website at your own discretion and risk.

10.- Limitation of Liability.

In no event will The Developer, or its suppliers or licensors, be liable with respect to any subject matter of this agreement under any contract, negligence, strict liability or other legal or equitable theory for: (i) any special, incidental or consequential damages; (ii) the cost of procurement for substitute products or services; (iii) for interruption of use or loss or corruption of data; or (iv) for any amounts that exceed the fees paid by you to The Developer under this agreement during one (1) month period prior to the cause of action. The Developer shall have no liability for any failure or delay due to matters beyond their reasonable control. The foregoing shall not apply to the extent prohibited by applicable law.

11.- General Representation and Warranty.

You represent and warrant that (i) your use of the Website will be in strict accordance with this Agreement and with all applicable laws and regulations (including without limitation any local laws or regulations in your country, state, city, or other governmental area, regarding online conduct and acceptable content and (ii) your use of the Website will not infringe or misappropriate the intellectual property rights of any third party.

12.- Indemnification.

You agree to indemnify and hold harmless The Developer, its contractors, and its licensors, and their respective directors, officers, employees and agents from and against any and all claims and expenses, including attorneys’ fees, arising out of your use of the Website, including but not limited to your violation of this Agreement.

13.- Privacy.

The Developer, by means of this text, does hereby give notice of the criteria and regulations it adheres to as regards to the use of the personal data that any user may freely and voluntarily provide through The Website.

In compliance with Organic Law 15/1999, of December 13th, on the Protection of Personal Data (LOPD) the aim of which is to protect and to safeguard, with regard to the treatment of personal data, the public liberties and fundamental rights of natural persons, and especially their honour and personal and family privacy, The Developer informs the users of this site of the following:

The Developer has adopted the levels of security required for the data supplied; additionally, all the technical and organisational measures required to guarantee the confidentiality of data and prevent the loss, misuse, alteration, unauthorised access to and theft thereof have been implemented.

The personal data contained therein shall be processed in accordance with that stipulated in the legislation currently in force; they shall be incorporated into a file with data of a Personal Nature, which shall be the responsibility of The Developer, and which has been duly registered with the Spanish Data Protection Agency with Reference number “2130361426”.

The purpose of the collection and automated processing of the personal data is the maintenance of the contractual relationship that may be established with The Developer, and the proper management and provision of services offered by The Developer to its clients and suppliers.

The filling-out of forms or the remittance of e-mail messages or any other type of communications to, implies the user’s express consent of the processing of his/her personal data by The Developer.

The personal data supplied to The Developer through The Website shall not be ceded to any other company, and shall only be used with the aim of fulfilling the contractual obligations established with its clients and suppliers.

In those cases in which The Developer is responsible for the processing, is assumes the obligations established in the LOPD for this purpose, and declares that it will only use said data in accordance with the instructions of the person responsible for the treatment thereof, and that it will not apply or use them for any purpose other than those appearing in the contract signed to that end.

In compliance with that stipulated in Organic Law 15/1999 of 13 December, on the Protection of Personal Data, any person affected may, at any time, exercise his/her rights to access, rectification, cancellation and opposition, by means of written notification to the e-mail address, or to the mail mentioned address shown at the bottom of this document.

For the purposes of Article 10 of Law 34/2002, of 11 July, on Services of the Information Society and E-Commerce, we hereby inform the users of the website that the owner thereof is the developer Jaime Iniesta, with registered offices at Carme 47, 4C, 17004, Girona, Spain, and NIF 17728733B.

14.- Cookies.

Our website uses cookies to improve the user experience. A cookie is a small file of data that your browser stores, that helps us distinguish you from the rest of the users and do things like:

  • Remember you when you sign in, so you don’t have to log in every time.
  • Use Google Analytics, Facebook, Twitter to gather stats, so we can know better about our audience and how to improve our site.
  • Embed comments using Disqus, a third party that allows you to participate in the blog an Knowledge Base with your comments.
  • Integrate the AddThis and SumoMe widgets, so you can easily share our site on your preferred social networks.
  • Embed our videos hosted on Wistia. These are videos we record to show you the features of our site, hosted on an external server for better performance.
  • Use third-party apps like Drift, Drip, UserEngage, Intercom, Olark and others to be able to communicate with you.

By using our website you agree to our use of cookies.

15.- Miscellaneous.

This Agreement constitutes the entire agreement between The Developer and you concerning the subject matter hereof, and they may only be modified by a written amendment signed by an authorized executive of The Developer, or by the posting by The Developer of a revised version. Except to the extent applicable law, if any, provides otherwise, this Agreement, any access to or use of the Website will be governed by the laws of Spain.