Average Ratings 5 Ratings
Average Ratings 0 Ratings
Description
CSS HTML Validator for Windows, Mac, and Linux is a fast, powerful, highly user configurable, and easy to use professional web development tool that checks HTML/HTML5, CSS, accessibility, SEO, PHP, XHTML, JavaScript, links, htmx, and more.
CSS HTML Validator will give you valuable and customizable advice while alerting you to obsolete, deprecated, and proprietary tags, attributes, and CSS. Make sure that your website visitors do not leave your site because they run into broken links or other problems caused by poorly written HTML and CSS.
The latest version of CSS HTML Validator includes updated HTML & CSS support, improved accessibility checking, support for htmx, new editor color schemes, and other updates and improvements.
A Batch Wizard in the Pro edition lets you easily validate entire websites and multiple HTML documents by generating a single validation report in HTML format.
Try CSS HTML Validator Pro for Windows free for 200 validations or 30 days, whichever comes first. A FREE limited version of htmlval for Mac and Linux is also available.
Description
DigestSEO is an online platform designed for conducting technical SEO audits and monitoring websites, catering to developers, SEO experts, agencies, SaaS entrepreneurs, and site owners alike. Users can initiate a complimentary audit of a single page without needing an account, which evaluates various performance metrics such as PageSpeed, Core Web Vitals, HTML validity, metadata, canonical tags, robots directives, links, images, accessibility indicators, and structured data.
For those managing multi-page website projects, a free workspace can be created that includes features like Health Score tracking, prioritized issues, warnings, and notices, along with a history of crawls, scheduled audits, CSV exports, printable reports, and workflows to ensure fixes are verified over time.
Additionally, DigestSEO offers an open-source MCP server licensed under MIT, which allows users to monitor brand mentions, citations, competitors, and identify content gaps utilizing data from ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews. This comprehensive toolset not only streamlines the SEO process but also enhances the overall strategy for website optimization and performance tracking.
API Access
Has API
No
API Access
Has API
No
Integrations
ChatGPT
No
Claude
No
EmEditor
Yes
Gemini
No
Google AI Overviews
No
Model Context Protocol (MCP)
No
Perplexity
No
Integrations
ChatGPT
Yes
Claude
Yes
EmEditor
No
Gemini
Yes
Google AI Overviews
Yes
Model Context Protocol (MCP)
Yes
Perplexity
Yes
Pricing Details
$60 (one time)
CSS HTML Validator Home Edition is only $60 and the Pro Edition is $125. The Mac and Linux command line tool (htmlval) is $79 (included with Pro). FREE for online HTML & CSS validator.
Free Trial
Yes
Free Version
Yes
Pricing Details
$0
Free BETA.
Free Trial
No
Free Version
Yes
Deployment
Web-Based
No
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
Yes
Mac
Yes
Linux
Yes
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Vendor Details
Company Name
AI Internet Solutions LLC
Founded
1997
Country
United States
Website
www.htmlvalidator.com
Vendor Details
Company Name
DigestSEO
Founded
2026
Country
Slovenia
Website
digestseo.com
Product Features
SEO
A/B Testing
No
Artificial Intelligence (AI)
No
Auditing
No
Competitor Analysis
No
Content Management
No
Dashboard
No
Google Analytics Integration
No
Keyword Research Tools
Yes
Keyword Tracking
No
Link Management
No
Localization
No
Mobile Search Tracking
No
Rank Tracking
No
Revenue Management
No
User Management
No
Web Accessibility Testing
ADA Compliance
No
Alerts / Notifications
No
Automated Testing
No
Mobile Accessibility Testing
No
Ongoing Accessibility Monitoring
No
Reporting / Analytics
No
Visualize Accessibility
No
WCAG Compliance
Yes
Website Optimization Tools
Competitor Analysis
No
Content Management
No
Keyword Research Tools
Yes
Link Management
Yes
Performance Metrics
No
Problem Area Alerts
No
Product Features
SEO
A/B Testing
No
Artificial Intelligence (AI)
Yes
Auditing
Yes
Competitor Analysis
No
Content Management
No
Dashboard
Yes
Google Analytics Integration
No
Keyword Research Tools
No
Keyword Tracking
No
Link Management
No
Localization
No
Mobile Search Tracking
No
Rank Tracking
No
Revenue Management
No
User Management
No