Obtrusive frills . Flashy advertisements may distract your students from the science content and create additional time to load the Web pages in your browser. Performance Page acquisition time . They will become distracted and lose interest easily. Using a Web harvesting application such as WebWhacker can solve time-loading problems.
Some Web sites become very busy and difficult to access when new scientific discoveries are made.
Some sites offer only a limited number of connections and might be running on a slow server. 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 Web site for a classroom demonstration. Hardware speed . Consider your connection speed when you access a Web site.