The webOS Browser

Based on WebKit, the TouchPad's browser is pretty comparable to what you get from Apple or Google on competitive tablets. Technically the browser doesn't support tabs but you can spawn new browser windows as cards on a stack.

Functionally this ends up working pretty similar to tabs and you do get a sliver of a preview of the card you're switching to, so there's a slight advantage. On the flip side, while you can just tap once to switch between tabs on Honeycomb you need to swipe up then tap to do the same under webOS 3. In practice I'd say it's a wash.

There is no support for an incognito mode like you get in Honeycomb, however you can clear all browser history/cookies/cache from within the app itself using its drop down menu:

Scrolling down web pages is consistent on the TouchPad but rendering happens below 30 fps. This is an issue across the OS unfortunately, the Web app is not an exception.

Scroll beyond the top or bottom of a web page and you'll meet a grey background, similar to what happens on iOS. The same applies for left/right scrolling, again similar to iOS. The problem here is the webOS browser is more sensitive to scrolling beyond left/right boundaries so unless you're very careful to scroll in a straight line you can actually have a more jittery scroll down a web page. This seems like an easy fix if HP just makes scrolling beyond the left/right edges of a web page require a more substantial gesture.

Double tap and pinch to zoom are both supported and work well. Occasionally when zooming you'll find that certain web page elements are poorly reconstructed:

Default search is powered by Google although you can sub in Wikipedia or Twitter if you'd like.

The TouchPad's browser reports a fairly standard user agent:

Mozilla/5.0 (hp-tablet; Linux; hpwOS/3.0.0; U; en-US) AppleWebKit/534.6 (KHTML, like Gecko) wOSBrowser/233.70 Safari/534.6 TouchPad/1.0

Web page compatibility is comparable to the iPad and Honeycomb tablets but not much better. I ran The HTML5 Test on an iPad 2, Honeycomb (3.1) tablet, RIM's PlayBook and the TouchPad to quantify compatibility:

The HTML5 Test
Test Apple iPad 2 HP TouchPad RIM PlayBook Samsung Galaxy Tab 10.1
Total Score 217 (and 7 bonus points) 229 (and 5 bonus points) 274 (and 9 bonus points) 222 (and 3 bonus points)
Parsing rules 1/11 6/11 11 (2 bonus points) 11 (2 bonus points)
Canvas 20 20 20 20
Video 21/31 (4 bonus points) 21/31 (4 bonus points) 21/31 (4 bonus points) 21/31
Audio 20 (3 bonus points) 20 (1 bonus point) 20 (3 bonus points) 20 (1 bonus point)
Elements 14/28 16/28 20/28 20/28
Forms 36/98 41/98 47/98 52/98
User Interaction 7/36 34/36

34/36

7/36
History and navigation 5 0/5 5 0/5
Microdata 0/15 0/15 0/15 0/15
Web applications 19/20 15/20 15/20 15/20
Security 5/10 5/10 5/10 5/10
Geolocation 15 15 15 15
WebGL 8/25 0/25 0/25 0/25
Communication 25 15/25 25 5/25
Files 0/20 0/20 0/20 10/20
Storage 15/20 15/20 15/20 15/20
Workers 0/15 0/15 15 0/15
Loca multimedia 0/20 0/20 0/20 0/20
Notifications 0/10 0/10 0/10 0/10
Other 6 6 6 6

Overall scores are pretty similar for the iPad and the TouchPad. Honeycomb is a bit better (save for the annoying bug with Reddit) and the PlayBook's browser is in a class of its own. While not quite desktop-level, the PlayBook's browser continues to be the most compatible browser in the tablet world by far. How the competition is unable to come close is perplexing to me.

The TouchPad doesn't completely pass the Acid3 test unfortunately, putting it behind iOS and Android in that regard.

On the plus side there is full blown Flash support. I turned to GUIMark 3 to quantify the TouchPad's Flash performance:

Flash/HTML5 Performance - GUIMark 3
  Bitmap (HTML5 Cache) Bitmap (Flash) Vector Test (HTML5) Vector Test (Flash) Compute (HTML5) Compute (Flash)
Apple iPad 2 (1024 x 768) 19.1 fps N/A 14.2 fps N/A 13.4 fps N/A
BlackBerry PlayBook (1024 x 600) 11.2 fps 26.3 fps 10.7 fps 25.9 fps 10.2 fps 23.0 fps
HP TouchPad (1024 x 768) 27.7 fps 42.6 fps 9.3 fps 28.5 fps 8.0 fps 22.1 fps
HTC Flyer (1024 x 600) 30.3 fps 50.6 fps 12.1 fps 21.4 fps 8.5 fps 26.6 fps
Samsung Galaxy Tab 10.1 (1280 x 800) 22.9 fps 25.0 fps 11.4 fps 19.3 fps 11.2 fps 23.6 fps

While not as good as the Flyer, the TouchPad's Flash performance is clearly better than that of the Galaxy Tab 10.1 running Android 3.1. HTML5 performance on the other hand is noticeably lower. Web page loading performance isn't anywhere near as good as the competiton:

2011 Page Load Test - Average

The same performance deficit is reflected in SunSpider and BrowserMark tests:

SunSpider Javascript Benchmark 0.9

SunSpider Javascript Benchmark 0.9.1

Rightware BrowserMark

In practice, browsing web pages with Flash ads is a relatively painless experience on the TouchPad - similar to Honeycomb in that regard. It's in playing video where the user experience can degrade. This isn't a problem unique to the TouchPad, while it's nice to have full Flash support - tablets with Flash just aren't quite fast enough to duplicate the desktop, or even a netbook experience. While I do expect that to change in the next two years, we're just not there yet. I was surprised by how well playback controls in Flash video players worked on the TouchPad. They weren't flawless, but I could actually get around a lot of videos using them.

On a side note, Hulu currently works on the TouchPad although I expect by the time you read this that hole will be plugged.

One of My Favorite Tablet Keyboards Mail
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  • Saraandy - Monday, July 18, 2011 - link

    I loved the Comparison table, the most comfortable way to select the best! Thanks for the wonderful write-up on HP touch pad.Inspiring Designs; Creative Excellence!!!
  • Oscarcharliezulu - Monday, July 18, 2011 - link

    Thx Anand, great review I live the extent and depth compared to even print magazines.

    Web-OS looks good, but I have to say it's a damn shame that really it's missed the market share and Apps boat. HP should use it's expertise to produce great hardware and merge it's webos features with android and become the premier blue-chip tablet maker that way. There is some evidence that developers are even favoring iOS over android as iOS users actually buy apps. What hope does webos have - wouldnt you develop for iOS, android or win8 tablet first way before this or playbook?

    We've seen this type of wishful thinking before in the tech world. Perhaps IBM will bring out a tablet with os2 warp on it?
  • audemars02 - Monday, July 18, 2011 - link

    wow,just like your veer review, this was a very fair and complete review. You clearly get what HP is going for and how great this tablet can be. A few quick comments for you on the review:
    Keyboard - are you that you can resize the keyboard? just hold down the keyboard key on the bottom right and you get 4 size options. Also, you can press-and-hold on most keys to get additional symbols/characters

    SMS forwarding - the Pre2 will be able to forward text messages as well once it gets a future software update as well. So the pre2, pre3 and veer will be able to do that

    call forwarding - you can actually register the touchpad as a Bluetooth headset for any phone, not just webOS phones...this can be cool for people who dont have a webOS phone yet

    app loading times - while it may be slower to load up apps at first, it really needs to be said that once loaded up as a card, app loading times become instantaneous due to webOS's awesome multitasking

    touchstone - you may want to mention that you can still charge the touchpad on the touchstone, even when it is in the HP touchpad case. Its so convienent!

    again, great job with your review. I cant wait to see how things get better after the OTA update we will be getting at the end of the month. Should fix a lot of the issues you mentioned

    adam
    @audemars02
  • jamawass - Monday, July 18, 2011 - link

    Great review as usual. However call logs for cell phones and skype are logged in the phone application.
    Also a mention about printing to hp printers ( I have printed succesfully to my network connected mfc-6310, touchpad autodiscovered it effortlessly) would've rounded up your review. Thanks
  • bobharp - Monday, July 18, 2011 - link

    The review content and method was clear concise and informative.
    Great work. I wish I felt I needed a tablet.
    Will take a serious look at the Pre3.

    Thanks!
  • randinspace - Monday, July 18, 2011 - link

    When I read this sentence: "There's tons of room for innovation and we're seeing its competitors offer clear examples of that innovation," I started to wonder how long it would be before Apple sued HP if the TouchPad actually managed to take off.
  • Conner_36 - Monday, July 18, 2011 - link

    i think they wont, because surprise surprise... Palm has patents! Most of these killer features are probably protected by patents and some of the obvious UI holes might be there to avoid law suites.
    Apple isn't an 'evil' entity, its a business. They got pissed at google when they blatantly changed their andriod os from looking like rims to looking like ios. Android innovation is a step forward two steps backwards. Notice how apple tore the phone away from the carrier and googles fine with handing the market back?
  • StormyParis - Monday, July 18, 2011 - link

    Thanks for a very complete and informative review. Which casts this tablet under a better light than other reviews, and nicely highlights some strengths (speakers ! yes, watching movies requires good speakers !) and weaknesses.
  • dagamer34 - Monday, July 18, 2011 - link

    The UI for the TouchPad is there, the performance expected of it is not.
  • steven75 - Monday, July 18, 2011 - link

    Why buy this over an iPad 2?

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