Ask one webmaster what he (she) thinks of frames and they may scowl and say
they "hate'em." Ask another and they may smile and say it's the only
way to go.
Frames, or the combining of HTML pages in a single browser window, is a
controversial subject for site designers. (Just to show where my bias lies, I'm
in the scowl camp. It's not that I hate frames, just that I think most sites
would be better without them.) But let's look at the pros and cons before you
decide to add or not add frames to your site.
Pros
Ease of changing the navigation bar. Sites set up with a frames nav
bar are incredibly easy to maintain. On a 200 page site, only one page needs
changed for all pages to change.
Consistency. People know exactly where the nav bar is every time.
No scrolling to find the nav bar. It's always there.
Harder for visitors to leave your site (this is also a con). Site
designers can make the HTML so that offsite links appear in the larger frame
instead of taking the visitor off site. A good (or bad) example of this is
The Mining Company which uses a small nav frame on every page of its site.
All linked pages appear in the larger frame.
Advertising frames can always be seen.
Newer, embedded frames would be great for long lists of changing
content if they were better supported by all browsers. They would also be
perfect for embedding a nav bar frame in many pages.
Cons
Frames are not supported by all browsers. Admittedly, for most
sites, users of older browsers represent less than 5% of their overall
traffic.
Some search engines cannot index framed sites. Entry pages must be
created for search engines.
Slows site loading. Multiple frames takes longer to load in a window
than a single HTML page.
Harder for visitors to get rid of frames. This has raised some
legal/moral
issues because frames can give the impression that content of SiteB is owned
by or originates from SiteA. Where things get nasty is if sites' A & B
are competitors.
Reduces viewable space. This is particularly important on smaller
monitors where space is a premium.
Unless implemented properly, framed-pages are very hard to bookmark.
This can be a major headache to visitors wanting a specific page on your
site.
Unless implemented properly, it is possible to design a navigation
frame which cannot be fully seen on all browsers/screen resolutions, making
full site navigation impossible for some visitors.
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