Rocket Blog
Latest news from the Rocket Validator team.
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How to Get a Credit Boost on Your Rocket Validator Subscription
by Almudena G. AlbaLearn how to get extra credits on your subscription when you need a temporary credit boost -
One Month to Go: Final Call for European Accessibility Act Compliance
by Almudena G. AlbaWith just one month remaining until the June 28, 2025 deadline, the European Accessibility Act (EAA) is about to become enforceable across the EU. . -
How Rocket Validator Credits Work
by Almudena G. AlbaRocket Validator uses a credit-based system to measure usage and help you get the most out of your reports. Whether you're validating small sites or large ones with hundreds of pages, credits ensure a fair and predictable way to manage your account. -
Accessibility Checker upgraded to Axe Core 4.10.3
by Jaime IniestaThe accessibility validation server on Rocket Validator has been upgraded to Axe Core 4.10.3, which addresses a few performance issues, corrects a few typos, and addresses a few inconsistencies between axe and the latest web standards. -
New iPhone Devices
by Jaime IniestaWe've updated the list of available devices to include more models of iPhone, including iPhone 14 and 15 and their versions Plus, Pro, and Pro Max. -
Basic HTTP Authentication Support
by Jaime IniestaBasic HTTP Authentication is now available for agency and enterprise users, enabling validation of password-protected pages including staging and development environments. -
The European Accessibility Act Deadline Approaches: Are You Ready for June 28th 2025?
by Almudena G. AlbaThe European Accessibility Act (EAA) deadline is approaching on June 28th 2025. This groundbreaking legislation requires all businesses serving European customers to meet accessibility standards, regardless of their location. If your company operates in the EU market, compliance is mandatory. -
2024 Retrospective
by Jaime IniestaWelcome to the Rocket Validator 2024 kickoff, where we’ll highlight some of the new features and enhancements we released during this year. -
HTML Validator Upgraded to W3C Validator 24.12
by Jaime IniestaWe've upgraded our HTML Validator servers to use the latest version of the W3C Validator Nu. -
Filtering stats by user
by Jaime IniestaThe stats section now allows you to filter by user, guest account, or team. -
Join the conversation on Bluesky
by Almudena G. AlbaJoin the conversation on Bluesky, the social network that respects your privacy and freedom of speech. -
How to get the raw Axe Core and W3C Validator results via the Rocket Validator API
by Jaime IniestaThe new raw checks API endpoint allows you to access the raw, unprocessed Axe Core and W3C Validator results for your web page HTML and accessibility checks. -
How to automate multi-device sitewide accessibility validation on Netlify
by Jaime IniestaLearn how to use Rocket Validator's multi-device sitewide validation to monitor the accessibility of your website across different device resolutions, in a continuous integration setup on Netlify. -
Accessibility Checker upgraded to Axe Core 4.10.2
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to Axe Core 4.10.2, which fixes some false positives and adds a 10x performance improvement in pages with lots of similar elements. -
Wordpress Accessibility Day 2024
by Jaime IniestaRocket Validator is proud to sponsor the WordPress Accessibility Day 2024 event - WordPress is the most popular CMS so it's great news that it has a dedicated team of developers promoting good practices about Accessibility. -
Official WordPress Plugin
by Jaime IniestaAnnouncing the official WordPress plugin for Rocket Validator. Add this plugin to your WordPress site to get the latest validation report right inside your WordPress dashboard. -
Accessibility Checker upgraded to Axe Core 4.10
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to Axe Core 4.10, which adds a new rule for the summary element and fixes some bugs from previous versions. -
HTML Validator Upgraded to W3C Validator 24.7
by Jaime IniestaWe've upgraded our HTML Validator servers to use the latest version of the W3C Validator Nu. -
Introducing Agency Plans
by Jaime IniestaToday we're announcing the new Agency plans. Designed for web agencies and companies, Agency plans include all features, up to 100K checks per month and 10 guest accounts to set up your validation team. -
Accessibility Courses
by Almudena G. AlbaTraining is essential to become a proficient web accessibility professional. That's why we've affiliated with the A11Y Collective to bring you the best accessibility courses. Choose from this catalogue to expand your knowledge about web accessibility. -
European Accessibility Act: Countdown to 2025
by Jaime IniestaJune 28th 2025 marks the deadline for the European Accessibility Act (EAA) - a new European directive designed to standardize accessibility among all European countries. This directive applies to all private companies that sell to EU customers, regardless of the country the company is based in. If you have customers in Europe, you must comply with the EAA. -
Top Common Web Accessibility Issues and How to Fix Them
by Jaime IniestaWe've compiled a list of the Top 10 Common Accessibility Issues after analyzing more than 70 million accessibility issues on more than 9 million tested web pages. Start fixing the most critical problems found on most websites today! -
A tua empresa está em conformidade com a nova lei de acessibilidade digital?
por Ruben Ferreira DuarteQue a acessibilidade digital é (ou deveria ser) um princípio muito importante para os produtos e serviços digitais, dificilmente alguém contrariará. A evolução tecnológica para além de todas as transformações amplamente proclamadas pela indústria, deve representar igualmente um esforço sincero das marcas para a inclusão do mais amplo leque de pessoas, capacitando pelo caminho a sua autonomia. A acessibilidade digital representa de forma bastante pragmática tudo isto. -
Is your company compliant with the latest European accessibility legislation?
by Ruben Ferreira DuarteThat digital accessibility is (or should be) a very important principle for digital products and services is hard to deny. Technological evolution, in addition to all the transformations widely proclaimed by the industry, must also represent a sincere effort by brands to include the widest range of people, enabling their autonomy along the way. Digital accessibility represents all of this in a very pragmatic way. -
Rocket Validator API V1
by Jaime IniestaThe brand new Rocket Validator API allows you to manage your reports and integrate them easily in your existing workflows using conventional HTTP requests to a standard JSON API. -
Vueling Airlines fined for not having an accessible website
by Jaime IniestaSpanish airline Vueling was fined with 90.000 € for not having accessible website -
Global Accessibility Awareness Day 2024
by Jaime IniestaJoin us in the celebration of the 13th Global Accessibility Awareness Day with a huge discount on Rocket Validator Pro Weekly. -
Accessibility Checker upgraded to Axe Core 4.9
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to Axe Core 4.9, which improves color contrast checks and fixes some bugs from previous versions. -
HTML Validator Upgraded to W3C Validator 24.3
by Jaime IniestaWe've upgraded our HTML Validator servers to use the latest version of the W3C Validator Nu. -
Dark Theme and Improved Stats
by Jaime IniestaYou can now enable dark mode in Rocket Validator if you prefer darker backgrounds and softer contrast, reducing eye strain. -
Sidebar Navigation
by Jaime IniestaWe've updated the app layout to use a responsive sidebar navigation and make better use of the screen space. -
2023 Retrospective
by Jaime IniestaWelcome to the Rocket Validator 2023 kickoff, where we’ll highlight some of the new features and enhancements we released during this year. -
Rocket Validator Affiliate Program
by Jaime IniestaJoin the new Rocket Validator Affiliate Program and earn recurring commisions -
Stats for Micro Subscriptions
by Jaime IniestaMicro subscriptions now also include stats based on daily snapshots automatically generated from the data in your reports. -
Easy Subscription Upgrades
by Jaime IniestaUpgrading (or downgrading) your subscription plan and periodicity is a breeze with our Lemon Squeezy integration -
Dynamic Crawler for JavaScript sites
by Jaime IniestaValidating JavaScript-rich sites is now possible with the new Dynamic Crawler, that extracts links from the rendered HTML. -
Accessibility Checker upgraded to Axe Core 4.8
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to Axe Core 4.8, which adds new accessibility rules. -
New Stats Section
by Jaime IniestaThe new Stats section shows stats for the evolution of your checked domains, based on daily snapshots automatically generated from the data in your reports. -
Advanced Crawling Options
by Jaime IniestaCheck out how you can use the advanced crawling options to control the initial URLs, exclusions and deep crawling. -
Custom Months for Monthly Reports
by Jaime IniestaMonthly schedules can now be customized to select the specific months to run the reports on. -
Progress Report Emails
by Jaime IniestaStarting this Friday, we'll send progress reports by email with a digest of your activity for the week, and links to the latest reports you've been working on. -
Increased Report Data Storage
by Jaime IniestaReport data storage has been increased for all users. -
Filter out tags with the 'none' mode
by Jaime IniestaThe tag filter has a new 'none' mode that allows you to filter out by tags. -
Non-document errors are now inside the HTML issues section
by Jaime IniestaWe've simplified reports including non-document errors and those are now within the HTML issues section. -
New Report Form Redesigned
by Jaime IniestaThe New Report form has been redesigned to provide a simpler interface. -
Accessibility Checker upgraded to Axe Core 4.7
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to Axe Core 4.7, improving many accessibility rules. -
Organize your Reports with Tag Filters
by Jaime IniestaYou can now categorize your validation reports and schedules using tags, and filter them by tag combination. -
HTML Validator Upgraded to W3C Validator 23.3
by Jaime IniestaWe've upgraded our HTML Validator servers to use the latest version of the W3C Validator Nu. -
Excluding URLs
by Jaime IniestaWe've enhanced the link crawler, you can now define URLs to be excluded from the reports. -
How to Validate your Local Server
by Jaime IniestaValidating your local development server provides the fastest workflow, here's how to set it up. -
User Agents and Server IPs
by Jaime IniestaWe've published the list of User Agent strings and server IPs used by Rocket Validator on the validation requests. -
2022 Retrospective
by Jaime IniestaWelcome to the Rocket Validator 2022 kickoff, where we’ll highlight some of the new features and enhancements we released during this year. -
How to Export Report Data as Excel Files
by Jaime IniestaYou can now export all the data from your site validation reports as Excel files with a single click. -
Accessibility Checker upgraded to Axe Core 4.6
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to Axe Core 4.6, improving many accessibility rules. -
Accessibility Checker upgraded to Axe Core 4.5
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to Axe Core, 4.5, enabling 8 new accessibility rules. -
Summary Report Redesign
by Jaime IniestaThe summary report has been redesigned, to offer more information and actions in a more compact layout. -
Device Viewport Emulation
by Jaime IniestaYou may define an alternative viewport resolution for your accessibility checks using the brand-new Device Viewport Emulation functionality. -
Guest Accounts
by Jaime IniestaThe new Guest Accounts feature lets you invite other users in your team to use your account features and credits, without sharing your credentials. -
Multiple Subscriptions
by Jaime IniestaYou can now buy multiple licenses when subscribing to a plan, to increase the number of credits available. -
Accessibility Checker upgraded to Axe Core 4.4
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to the latest version of Axe Core, 4.4 -
Changes in Mutings
by Jaime IniestaWe've improved the Mutings engine to provide a faster, simpler experience. -
Domain Stats
by Jaime IniestaWe've added new stats for the domains checked, that will show daily counters for the issues found, check status and web page coverage. -
Accessibility Checker upgraded to Axe Core 4.3.0
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to the latest version of Axe Core, 4.3.0. -
Understanding Rate Limiting in Validation Reports
by Jaime IniestaA detailed explanation of how rate-limiting works and how to use it to estimate the time a report will take to complete. -
Accessibility Checker upgraded to 4.2.2
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to the latest version of Axe released by Deque, 4.2.2 -
Deep Crawling is now optional
by Jaime IniestaYou can now optionally disable deep crawling in order to have more control of the exact URLs to validate. -
Accessibility Checker upgraded to Axe Core 4.2.0, including 4 new rules
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to the latest version of Axe Core, 4.2.0, and now includes 4 new accessibility rules. -
How to use XML or plain text sitemaps to organize large site validations
by Jaime IniestaOur crawler now supports plain text sitemaps, as well as XML sitemaps. Learn how to use them to organize large site validations. -
Severity Counters Are Back
by Jaime IniestaWe've brought the severity counters back to reports, to accurately show how many issues per severity have been detected. -
New Micro Plans
by Jaime IniestaThe new Micro plan is designed to help validate small and medium-sized websites. -
Privacy-Conscious
by Jaime IniestaWe're joining the no-tracking movement by replacing all our external integrations with privacy conscious alternatives. -
Live Reports UI Redesign
by Jaime IniestaThe reports user interface has been redesigned to make it simpler, lighter and much faster. -
Accessibility Checker upgraded to 4.1.0
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to the latest version of Axe released by Deque, 4.1.0 -
Wordpress Accessibility Day 2020
by Jaime IniestaRocket Validator is proud to sponsor the first WP Accessibility Day - WordPress is the most popular CMS so it's real good news that it has a dedicated team of developers promoting good practices about Accessibility. Way to go! -
Accessibility Checker upgraded to Axe Core 4.0.2
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to the latest version of Axe released by Deque, 4.0.2 -
New Report Data Storage Policy
by Jaime IniestaReport data means everything that is generated when you run a site report: records representing the web pages and all the accessibility and HTML issues found in them. Report results are stored to let you work later on reviewing the issues without relying on real-time checks. Learn about our new report data storage policy. -
New Summary Report
by Jaime IniestaThe new Summary Report gives you a global overview of the status of a site, including the counts of total HTML and accessibility issues found, and a percentage of the total number of web pages that passed all the checks. -
HTML Checker upgraded to W3C Validator Nu 20.6
by Jaime IniestaThe HTML validation server has been upgraded to the latest version released of Validator.nu by the W3C, which adds some fixes and improvements related with checking CSS, SVG, and ARIA. -
Check out the brand new Site Reports UI
by Jaime IniestaWe've just rolled out a brand new version of the Rocket Validator Reports UI with a simpler interface, charged with new features. -
Accessibility Checker upgraded to 3.5.5
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to the latest version of Axe released by Deque, 3.5.5 -
Better usage tracking
by Jaime IniestaThe subscription plan you choose determines the number of checks you can request per period length. For example, a Pro Monthly plan lets you request 50,000 checks per month. Learn how we're tracking accurately your usage, subtracting the checks you request from your subscription limit. -
Rocket Validator Documentation
by Jaime IniestaWe've been busy these days setting up a brand new companion site to Rocket Validator, dedicated to hosting all the documentation for our accessibility scanner. The new documentation site is ready and contains detailed guides with all you need to know to get the most out of Rocket Validator. -
HTML Checker upgraded to W3C Validator Nu 20.3
by Jaime IniestaThe HTML validation server has been upgraded to version 20.3 of Validator.nu by the W3C, which adds some fixes and improvements related with checking CSS, SVG, and ARIA. -
Accessibility Checker upgraded to 3.5.2
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to the latest version of Axe released by Deque, 3.5.2 -
Accessibility Checker upgraded to 3.5.0
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to the latest version of Axe released by Deque, 3.5.0 -
New Activity View
by Jaime IniestaThe new Activity view is here to simplify your work, by showing the latest 10 sites you've been working on, and the latest report for each one, pointing you to the 3 most important accessibility and HTML issues detected on the latest scan. -
Announcing Enterprise Plans
by Jaime IniestaToday we're announcing the new Enterprise plan for power users and agencies that need to check a really large number of web pages. A single Enterprise plan will let you perform up to 500,000 checks per month, with unlimited domains and re-checks. -
Chrome extensions for HTML validation
by Jaime IniestaChrome extensions offer a great way to extend your browser with tools that help you in your daily job as a web developer. In this article we analyze the most popular extensions that help you with HTML validation directly from your browser. -
Global Accessibility Reports
by Jaime IniestaToday, we introduce the Rocket Validator Global Reports - we'll monitor reference sites on different fields like higher education and public administration, and will show the accessibility / HTML issues found on their pages. -
Accessibility Leaderboards September 2019
by Jaime IniestaCheck out the latest rankings on the Accessibility Leaderboards, including US Education, UK Education and European Parliaments -
Report filters
by Jaime IniestaWe've added filtering for validation reports. This lets you search within your reports list by site URL, your web pages per its URL, and the accessibility and HTML issues found by its issue message. -
Accessibility Checker upgraded to 3.3.0
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to the latest version of Axe released by Deque, 3.3.0 -
Education Leaderboards June 2019
by Jaime IniestaWe've added 10 new candidates to the United Kingdom Universities, and updated the U.S. Education Leaderboard -
Australian Web Awards 2019
by Jaime IniestaAs in past editions, Rocket Validator sponsors the AWA by helping the judging panel determine the code quality on the submitted sites. The judges use Rocket Validator to find accessibility and HTML issues found on the finalist sites. -
Education Leaderboards April 2019
by Jaime IniestaWe've added 10 new candidates to the United Kingdom Universities, and updated the U.S. Education Leaderboard -
What to do if you disagree about a checking report
by Jaime IniestaOur mission at Rocket Validator is help you quickly check web pages in your large site, but we're mere messengers between you and the checkers. What to do if you disagree with the checking results? -
Education Leaderboards March 2019
by Jaime IniestaWe've added 10 new candidates to the United Kingdom Universities, and updated the U.S. Education Leaderboard -
Accessibility Checker upgraded to 3.2.0
by Jaime IniestaThe Accessibility validation server on Rocket Validator has been upgraded to the latest version of Axe released by Deque, 3.2.0 -
European Parliaments Accessibility
by Jaime IniestaSeptember 23rd, 2020, marks the deadline to comply with the European Web Accessibility Directive, that obliges all European Member States to ensure that public web sites are accessible. How do European parliaments conform to accessibility standards? -
United Kingdom Education Leaderboard
by Jaime IniestaWe've just published a new A11Y & HTML Conformance Leaderboard, this time dedicated to United Kingdom Education. This leaderboard starts with 10 Universities on the UK. -
DeAnza College Ranked No. 1 in Accessibility Leaderboard
by Jaime IniestaDe Anza’s Office of Communications has made accessibility a priority for the college website, which was completely redesigned last year. The new design includes numerous features that improve accessibility. Their web team uses Rocket Validator and other tools to proactively identify and correct any accessibility problems that might arise when pages are updated or new webpages are added. -
US Education Leaderboard January 2019
by Jaime IniestaWe've updated the Top 10 U.S. Education A11Y & HTML Conformance leaderboard, adding 10 new universities and community colleges to the list: -
US Education Leaderboard December 2018
by Jaime IniestaWe've updated the Top 10 U.S. Education A11Y & HTML Conformance leaderboard, adding 10 new universities and community colleges to the list. -
Introducing Leaderboards
by Jaime IniestaGood news! We've seen lately an increase in the number of education sites being checked for Accessibility and HTML conformance in Rocket Validator. We wondered what the current status is in regards to A11Y and HTML conformance, within the major United States universities, so we created a leaderboard to reflect that. -
How to fix your validation issues?
by Jaime IniestaWhile most of the users of Rocket Validator are web professionals, freelancers and web studios, there are also many other users that come to our site in search for a fix for their HTML validation errors. -
Have you been blocked by the W3C Validator?
by Jaime IniestaHave you ever tried to validate a web page at the W3C validator and faced a warning message about Excessive traffic pattern blocked. If you have, you've been banned. Learn why this happens (there's a good reason!), and how to avoid it. -
W3C Validator is dead, long live Validator.nu!
by Jaime IniestaIt may not be apparent, but the W3C HTML Validator that we've been using all these years, yes, the one at validator.w3.org, is dead. But, there's a faster, more modern and more robust validator also maintained by the W3C. -
How does Rocket Validator work?
by Jaime IniestaTo validate a site, you just need to enter its main URL and click a button. In a few seconds you start receiving results, which complete in just a few minutes. But, what happens in our servers after you click the "Submit" button?
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Web A11Y, the business case
This free course will teach you how to boost your business by looking at the business case for web accessibility. Complying with accessibility guidelines broadens your audience, saves you money, and keeps you in line with key regulations like the European Accessibility Act (EAA) and the Americans with Disabilities Act (ADA).
European Accessibility Act Countdown
The European Accessibility Act (EAA) requires private companies to make their products and services accessible to people with disabilities by June 28th, 2025. This applies to all companies selling to EU customers, regardless of where they are based.
Top 10 Common Accessibility Issues
Here are the most common accessibility issues detected by Rocket Validator, based on the data of millions of web pages checked by web developers worldwide.
Automated site validation
Rocket Validator scans your site and automatically validates up to 5,000 web pages, checking each page found with Axe-Core and W3C HTML Validator.
Ready to validate your sites?
Start your trial today.