Installed and registered without problems on a Win 8.1.3 Pro 64 bit system. A clean install.

A company with a name, a phone number, but no address.
"AI Internet Solutions LLC was established in 199ows that helps webmasters, governments, businesses, Internet professionals, educators, and students produce quality web documents."

We had a previous version CSE HTML Validator on August 9, 2007. Long time ago. Here are the old reviews:
http://www.giveawayoftheday.com/cse-html-validator/

Also this software is not the latest built.
Upon start the software comes with the message, that there is a major update to version 15. This version today is from August 2013.

This program only makes sense, if you code yourself in (X)HTML, use CSS, or ...
For those, who are hard coder like me (I speak HTML since the last century) it has some use.
Upon start a rather complex interface opens, you should know, what HTML or CSS is. Under the many options, locate your language for correct spell checking:
http://i.imgur.com/sscfLmM.png

You open your file and validate:
http://i.imgur.com/t8Qf1DJ.png

The companies want to present their software and sell the real thing. This old standard version is missing the batch mode. This simply means:
If you want to check a Web page with some hundred files, you have to check some hundred files manually. I use such a tool for eBook validation (even if Sigil has a built in validator - and there are online CSS and HTML checkers), but with this standard version if would have to check each of the 20, 30 HTML and CSS files, which make an eBook.

http://i.imgur.com/Tg4lM8s.png

Most useful, the coder know why:
"CSE HTML Validator also includes a simple but time-saving tool called the template tool. The template tool is capable of saving an HTML author from spending a tremendous amount of time making the same changes to many HTML files. For example, using the template tool, an HTML header or footer can be changed on hundreds of documents in just minutes (or seconds)!"

Does, what it claims - the program has a long history track. Did not find a change log between the current version 15.04 from May 2015 and today's version 12.03 from August 2013. The above mentioned price tag $69 is obsolete for such an older version. I would feel been tricked by this price...

Uninstalled via reboot.

Karl  –  4 years ago  –  このコメントは役に立ちましたか？ はい | いいえ (+120)

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The version 12.03 given away today being almost 2 years out of comercial use, ie it has not been for sale for almost 2 years because it was superceded by version 14.* and then 15.* is certainly not available for $69. It is practically an abandonware version, not what is expected as a fully licensed commercial software product. There is no way to verify that what this obsolete version of the software calls validated HTML5 or mobile device validated is correct according to the current standards.
I presume AIIS have used thier product on thier own website and tried using their website? Well it does not display properly in IE8 with the links displayed as a single page full list which has to be scrolled through before getting to the pages content way on down the list. No formatting at all is achieved when viewing in IE8! Which to me does not bode well for the claim "The program will monitor and remove issues so your documents will be correctly displayed in multiple web browsers and mobile browsers."

The version 12.03 given away today being almost 2 years out of comercial use, ie it has not been for sale for almost 2 years because it was superceded by version 14.* and then 15.* is certainly not available for $69. It is practically an abandonware version, not what is expected as a fully licensed commercial software product. There is no way to verify that what this obsolete version of the software calls validated HTML5 or mobile device validated is correct according to the current standards. I presume AIIS have used thier product on thier own website and tried using their website? Well it does not display properly in IE8 with the links displayed as a single page full list which has to be scrolled through before getting to the pages content way on down the list. No formatting at all is achieved when viewing in IE8! Which to me does not bode well for the claim "<b>The program will monitor and remove issues so your documents will be correctly displayed in multiple web browsers and mobile browsers.</b>"
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TK  –  4 years ago  –  このコメントは役に立ちましたか？ はい | いいえ (+38)

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It looks like too many bugfixes and updated components according https://www.htmlvalidator.com/htmlval/history.html
I wonder it still usable on web hosting that already patched with SSL Heartbleed vulnerability.
Thank but no thanks, hopefully AI Internet Solutions LLC could provide more recent version on next GOTD.

It looks like too many bugfixes and updated components according https://www.htmlvalidator.com/htmlval/history.html I wonder it still usable on web hosting that already patched with SSL Heartbleed vulnerability. Thank but no thanks, hopefully AI Internet Solutions LLC could provide more recent version on next GOTD.
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Chandra CJ  –  4 years ago  –  このコメントは役に立ちましたか？ はい | いいえ (+29)

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this is a good piece of software. I have used the free version for many years. To offer a 2 year old standard version is not that attractive.

mike  –  4 years ago  –  このコメントは役に立ちましたか？ はい | いいえ (+63)

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I have used the paid version for over five years, and I have purchased all the updates. It is a top notch piece of software. I use it to validate all the html pages I create. It finds errors that I would not notice without it. Most of the time they are small errors, but occasionally it's a big one. It's very good at pointing out the exact location of the error. When it is a mismatched tag, it knows it, but you have to still do some work to locate and fix the error. The programmer is the publisher, so he stays on top of it. There are many updates... but even the older versions were extremely useful. Highly recommend it. Even a two-year old version is way ahead of the online checkers.

David Walonick  –  4 years ago  –  このコメントは役に立ちましたか？ はい | いいえ (+27)

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