On Mon, 8 Sep 2008, Anthony Lieuallen wrote:
>
> On 9/8/2008 9:21 AM, V S Rawat wrote:
>> I think gm executes on a page only when it is fully loaded.
>
> http://wiki.greasespot.net/DOMContentLoaded
The wiki article referenced above discusses a userContent.css
workaround to eliminate "flicker," the brief, but visible, rendering
of the original web page before the greasemonkey script is injected
and alters the page. The article states, "Generally, flicker is a
problem that should be ignored. If, however, a script author decides
that it must be avoided there is at least one technique. . . ."
I'm curious why the author believes that flicker "generally. . .should
be ignored." I finally took the time to figure out how to implement
the workaround, incorporated it into one of my scripts, and gave users
of my script instructions on how to edit their userContent.css
file. Results have been great. Users are praising the improvement,
and no one is complaining that editing the file is difficult.
I, myself, am seeing a significant improvement in the smoothness of
page loading. I previously had my Firefox nglayout.initialpaint.delay
preference set to 850 ms in order to avoid seeing flicker. I've now
been able to reduce it to 0; thus not only do pages load more
smoothly, but on average, they load faster.
This so-called workaround works so well I'm wondering why Mozilla does
not provide a Firefox preference that can be set to wait for the
DOMContentLoaded event to fire on all web pages. I wouldn't think
that the loading of many web pages would be significantly delayed by
waiting for the DOM to load, and greasemonkey users, who are numerous,
would find it very useful.
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