Page acquisition time. Caching items locally or using a web harvesting application such as WebWhacker can solve time-loading problems. Many NASA sites become very busy and difficult to access when new scientific discoveries are made. Some sites offer only a limited number of connections. Also, accessing sites overseas can sometimes cause long wait times for web page connecting and loading.
Load time is important when considering the use of a site for a classroom demonstration.
The best way to be safe with a demonstration is to harvest the web site locally and view it from your computer's hard drive or another external mass-storage device. Consider your connection speed when you access a web site. Accessing large movie files with a 14.4 modem may not be worth your time unless they are extremely unique. V. Multimedia Issues 26. Problems of size.