Google Chrome 21

By Michael Muchmore

Last time around there wasn't much to talk in terms of new features, but Google Chrome 21 adds a few enticing new capabilities. For those well-heeled enough to have purchased Retina MacBook, the browser now supports their laptop's ultra-high-resolution display. For the rest of us, Chrome 21 supports an HTML5 feature (on the heels of similar support in Opera 12) that allows webpages to access your webcam and mic. Chrome 21 also brings more support for gamepads and more printing capabilities. All of this falls into the category of icing on the cake: Chrome remains the Web browser of choice, thanks to blazing speed, and ground-breaking features and technology support.?

Hurtling the Google browser over the crowd are unique features like Chrome Instant, built-in Flash and PDF display, leading Web standards support, and a minimalist application window that lets Web pages shine unimpeded. The competition?Firefox 14 (Free, 4 stars), Internet Explorer 9 (Free, 4 stars), Safari 5.1 (Free, 4 stars), and Opera 12 (Free, 4 stars), and Maxthon 3.4?still struggles to equal Chrome's Spartan user interface, speedy operation, and emerging standards support.

Chrome's speed is now boosted by hardware acceleration, the use of your PC's graphics processor to speed up operations, a first introduced by IE9. To this Chrome's adds support for 3D WebGL graphics that even works on older computers, such as those running Windows XP?something IE9 can't boast. Chrome is also the fastest browser to start up, as my testing shows.

But speed involves more than pure performance results on tests. Speed also comes with new standards support, in Chrome's case, for Google's SPDY initiative, which rewrites the basic transport protocol of the Web?HTTP. SPDY eliminates redundant interactions and compresses some sent data to speed up browsing. Only sites that support the standard, like some of Google's own, will benefit from the speedup, however.

Another speeder-upper comes in the form of Chrome's many "instant" features. First, there was Google Instant, by which Web search results start appearing as soon as you start typing in the Google search box. Then came Instant Pages, in which Chrome tries to guess which link you're likely to click on next, and preload that page in the background. Another "instant" feature, pre-loads the first-proposed autocomplete site in the background when you start typing in the browser's address bar, so that it springs into view instantly when you click on the auto suggestion's entry.

As it increases in popularity, Google Chrome is becoming more and more a conduit for Google's Web services, and the services themselves in turn are being honed for Chrome. The browser's new tab page is tweaked to give more prominence to the Chrome Web app store.

Chrome boasts all the Web browser tools we've come to expect: bookmark syncing, a built-in PDF reader, and extensions. The browser's fine design, compatibility, and especially the speed have impressed the Web community enough to make Chrome the fastest growing browser in terms of market share. On this measure, it's got anywhere from 19 to 34 percent, depending on whose numbers you believe. Let's take a look at what makes this browser so special.

Swift Setup
Even the setup process shows Chrome's commitment to speed: Just click the Install button on the Chrome Web page, and you'll have the browser up and running in less than a minute, with no wizard to go through and no system restart. The browser's available for Mac OS X and Linux, as well as Windows. It also updates itself automatically in the background.

Starting with version 17, a change in the first-run appearance of the browser occurred. You still saw a generous dialog box giving you the option to use Bing, Google, or Yahoo as your search engine, but the first view of the browser window asks you to sign into a Google account. This doesn?t change the behavior of the browser, but it does show Google?s increasingly solipsistic view of the Web, and raises concerns about browser tracking. On the plus side, it does give you the benefit of being able to sync your different browser settings and bookmarks on different computers (more on this later).

Chrome Instant Pages
Not to be confused with Chrome Instant (see below) or Google Instant (which works on all browser to load Google search results as you type), Chrome Instant Pages requires both Chrome and a site that supports the feature. Of the latter, there is now just one important one: Google Search. The idea is that when you perform a search in Google, the browser will pre-load the page for the result link you're most likely to click on.

In several tests on a slower Wi-Fi connection, however, I only noticed an occasional improvement for simple pages. It seemed only to work for the first result link. Heavy multimedia sites still took their time to load. On a very fast wired connection, some page result were extremely fast, but in that case, you don't really benefit from pre-loading. I saw a definitely faster load for grainger.com than in Opera on the same connection. The idea makes a lot of sense though, particularly for multipage articles, where it's most likely that the next link you'll hit is the one labeled "Next."

The only drawback: If the site guesses your next click wrong, page load could be slower than without Instant Pages, and you'll have wasted bandwidth loading a page you never visited. But this is a technique that's been done using JavaScript or HTML and CSS for years, so I'm not sure why we need a browser-specific solution to preloading pages, but Instant Pages does have the ability to load outside sites, rather than just pages of your own. If you don't like the idea of your browser loading pages before you click on a link, you can turn off the feature in the Under the Hood section of Options (accessible from the wrench icon), and uncheck "Predict network actions to improve page load performance."

Built-in Flash and PDF Support
Chrome is the only browser to come with Adobe Flash built in, rather than requiring a separate (and annoying) installation. And not having to perform the frequent required updates of the Flash plugin separately is another boon?it updates automatically with the browser. With version 10, many of the security issues with Flash (famously bemoaned by Apple's Steve Jobs) went away, thanks to running the plugin in an isolated sandbox so that it doesn't have access to critical system areas.

Chrome boasts a PDF reader as well, so you don't have to worry about installing any Adobe plugins for viewing specialized Web content. When you load a PDF, an intuitive toolbar shows when your mouse cursor is in the southeast vicinity of the browser window. From this, you can have the document fill the width of the window, show a full page, or zoom in and out. By default, you can select text for cutting and pasting, but I couldn't copy and paste images. You can print the PDF as you would any Web page.

Chrome's PDF viewer not only does what its name implies, but also serves as a print preview feature. Unlike IE's print preview, Chrome's shows up in a tab rather than its own window. But you have to go through it to print: In IE, I can just click the printer icon to send a page to the printer if I don't want to fuss with settings. I could choose between color and B&W, portrait and landscape, and choose the target printer, or print to PDF.

An Advanced button got me into the printer's own settings dialog, but this dismissed the print preview, making me have to choose Print from the menu again. But Chrome didn't let me choose a zoom percentage for the printout as Firefox and IE did, nor did it let me turn page headers on and off or choose margin sizes in a Page Setup dialog as those two did. So Chrome's print preview is a decent start, but it's still a bit behind the competition.

On the topic of printing, Chrome 21 adds more support for Google Cloud Print, which is starting to garner more support among printer manufacturers. Now your printers are listed in Chrome?s print dialog. You can also now print to Google Drive, Chrome on your mobile device, or a nearby FedEx office.

Interface
Minimalism has been a hallmark of Chrome since its first beta release. Tabs are above everything, and the only row below them holds the combined search/address bar, or "Omnibox." Here you can type any part of an address or page title, and the most likely site candidates will be presented in a dropdown. Optionally you can display bookmark links in a row below this. And the control buttons on the top-right of the browser window have been reduced to the absolute minimum?just one.

Google has removed the Page icon and placed some of its functions under the wrench button. Some of the Page options have been combined into buttons on one line in the menu, such as Cut, Copy, and Paste. I like what Google's done with the Zoom choice on the menu, adding plus and minus buttons that save you from having to fly out another submenu.

Another theme in the Chrome interface is that everything looks like a Web page, displaying in the main browser window, rather than in separate dialog boxes. This includes the interfaces for History, Extensions, Bookmarks, and even Options.

Mac users haven't been overlooked in the interface department, either. The browser supports OS X Lion's full screen view, along with overlay scrollbars that only appear when you're scrolling. Other more minor characteristics of the OS X "Aqua" style give Chrome on the Mac a more Mac-y appearance. And with Chrome 21, the new MacBooks with Retina display get native high-res support.

Source: http://feedproxy.google.com/~r/ziffdavis/pcmag/~3/ifFBy9ZYPsM/0,2817,2373853,00.asp

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