2011年8月22日星期一

Top 10 Blunders About Website Designing




Top 10 Blunders About Website Designing


1. Bad Search

Overly literal search engines reduce usability in that they’re unable to deal typos, plurals, hyphens, and other variants of the query terms. Such search engines are particularly difficult for elderly users, but they hurt everybody.
A associated problem is when search engines prioritize results purely on the foundation of how many query terms they contain, prefer than on each document’s magnitude. Much better if your search engine shrieks out “best bets” by the top of the account — especially for important queries, such as the names of your products.

Search is the user’s lifeline while navigation fails. Even whereas perfected search can occasionally help, simple search usually goes best, and search ought be presented as a simple box, since that’s what users are looking for.

2. PDF Files For Online Reading

Users detest coming along a PDF document while browsing, because it crashes their flow. Even simple entities like printing or saving documents are difficult because standard browser mandates don’t work. Layouts are often optimized for a sheet of periodical, which rarely matches the size of the user’s browser window. Bye-bye flat scrolling. Hello tiny fonts.

Worst of always, PDF is an undifferentiated blob of content that’s hard to sail.

PDF is excellent for printing and for distributing manuals and other huge documents that need to be printed. Reserve it for this intention and convert any message that needs to be browsed or read on the screen into real web pages.

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3. Not Changing the Color of Visited Links

A good grasp of elapse navigation helps you understand your current place, since it’s the culmination of your cruise. Knowing your quondam and present locations in corner makes it easier to determine where to work next. Links are a opener ingredient in this navigation process. Users can preclude links that certified fruitless in their earlier visits. Conversely, they might revisit links they base obliging in the past.
Most important, knowing which pages they’ve already visited frees users from unintentionally revisiting the same pages over and over another.

These benefits merely accrue under one important assumption: that users tin tell the inconsistency between visited and unvisited correlates because the site shows them in assorted colors. When visited correlates don’t change color, users exhibit extra navigational disorientation in usability testing and unintentionally revisit the same pages repeatedly.

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4. Non-Scannable Text

A walls of text is lethal for an interactive experience. Intimidating. Boring. Painful to read.
Write for online, not publish. To paint users into the text and advocate scannability, use well-documented tricks:
subheads

bulleted lists

highlighted keywords

short paragraphs

the inverted pyramid

a simple writing neatness, and

de-fluffed language devoid of marketese.

5. Fixed Font Size

CSS style canvases unfortunately give websites the power to maim a Web browser’s “change font size” button and specify a nailed font size. About 95% of the time, this fixed size is microscopic, reducing readability significantly for most people over the old of 40.


Respect the user’s favorites and let them resize text as needed. Also, specify font sizes in relating terms — not as an total number of pixels.

6. Page Titles With Low Search Engine Visibility

Search is the most essential direction users detect websites. Search is too one of the most momentous ways users find their course around individual websites. The menial sheet title is your cardinal tool to preoccupy new guests from search listings and to help your existing users to situate the specific pages that they need.
The page title is included within the HTML

Page titles are also accustomed as the default portal in the Favorites when users bookmark a site. For your homepage, begin the with the company appoint, followed by a concise description of the site. Don’t begin with words like “The” or “Welcome to” unless you ambition to be alphabetized under “T” or “W.”

For other pages than the homepage, start the title with a few of the most salient information-carrying words that narrate the specifics of what users will find on that page. Since the page title is used as the window title in the browser, it’s also used as the tag for that window in the taskbar under Windows, meaning that advanced users will push between multiple windows under the guidance of the 1st one or two words of every page title. If all your page titles start with the same words, you have severely dwindled usability for your multi-windowing users.

Taglines on homepages are a narrated subject: they also need to be short and quickly communicate the purpose of the site.

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7. Anything That Looks Like an Advertisement

Selective care is very mighty, and Web users have learned to stop disbursing attention to any ads that obtain in the way of their goal-driven navigation. (The main exception creature text-only search-engine ads.)

Unfortunately, users also ignore legitimate design elements that look like prevalent forms of advertising. After all, when you ignore something, you don’t study it in detail to find out what it is.

Therefore, it namely best apt dodge anybody designs that see favor advertisements. The accurate implications of this guideline will vary with fashionable forms of ads; currently emulate these rules:
banner blindness manner that users never fixate their eyes on everything that looks like a banner ad due to fashion or position on the page

animation avoidance makes users ignore areconsist in ... winking or flashing text or other aggressive animations

pop-up purges average that users near pop-up windoids before they have even entirely rendered; sometimes with great viciousness (a arrange of getting-back-at-GeoCities win).

8. Violating Design Conventions

Consistency is one of the most powerful usability principles: when asset all behave the same, users don’t have to worry about what will occur. Instead, they know what will happen based on earlier experience. Every time you loosen an apple over Sir Isaac Newton, it will drop on his head. That’s good.
The more users’ expectations prove right, the more they will feel in control of the system and the more they will like it. And the more the system breaks users’ expectations, the more they will feel insecure. Oops, maybe if I let go of this apple, it will turn into a tomato and jump a mile into the sky.

Jakob’s Law of the Web User Experience states that “users cost maximum of their period aboard other websites.”

This means that they form their expectations for your site based on what’s usually done on most other sites. If you deflect, your site will be harder to use and users will quit.

9. Opening New Browser Windows

Opening up new browser windows is like a vacuum detergent sales human who starts a visit by blanking an ash dish on the customer’s carpet. Don’t defile my screen with any more windows, thanks (particularly since current operating systems have pathetic window management).
Designers open new explorer windows on the theory that it reserves users on their site. But even disregarding the user-hostile information implied in catching over the user’s machine, the strategy is self-defeating since it disables the Back button which is the customary way users return to previous sites. Users often don’t notice that a new skylight has opened, primarily if they are using a small monitor where the windows are maximized to fill up the screen. So a user who tries to return to the origin will be disturbed at a grayed out Back button.

Links that don’t conduct as anticipated undermine users’ understanding of their own system. A link should be a simple hypertext reference that replaces the current page with new content. Users hate unwarranted pop-up windows. When they want the destination to appear in a new page, they can use their browser’s “open in new window” command — assuming, of course, that the link is not a piece of code that interferes with the browser’s standard behavior.

10. Not Answering Users’ Questions

Users are extremely goal-driven on the Web. They visit sites because there’s something they want to achieve — possibly even buy your product. The ultimate failure of a website is to fail to provide the information users are looking for.
Sometimes the answer is simply not there and you lose the bargain because users must assume that your product or service doesn’t meet their needs if you don’t tell them the specifics. Other times the specifics are buried under a thick layer of marketese and bland slogans. Since users don’t have time to read anything, such secret info might almost as well not be there.

The worst sample of not responding users’ questions is to avoid listing the amount of products and services. No B2C ecommerce site would make this mistake, but it’s rife in B2B, where most “enterprise solutions” are presented so that you can’t tell if they are suited because 100 people or 100,000 human. Price is the most characteristic piece of info buyers use to know the nature of an attempting, and not providing it makes people feel lost and reduces their understanding of a product line. We have miles of videotape of consumers inquiring “Where’s the price?” while cutting their hair out.

Even B2C sites often make the associated mistake of forgetting prices in product lists, such as classification pages or search results. Knowing the price is key in both positions; it lets users differentiate among products and press through to the most relevant ones.




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