Everybody knows that ActiveX is a security risk. Less people know that it also
affects performance of Microsoft Internet Explorer. Instead of displaying a small or
large picture, many websites decide to use ActiveX instead if available. Macromedia
Flash is often used for this purpose. Naturally it takes time to load the original
picture and to replace this picture with a flash file.
Other technologies have similar performance impacts:
- .NET Components
- Automatic font installation
- Netscape plugins
The higher security of deactivating all potentially insecure programs immediately
gives the benefit of faster surfing, too. This is a win-win situation.
The new .NET components or applications are very similar to ActiveX. A major
performance difference is that they need to load the whole .NET runtime before they
can work. Avoiding these components should speed up websites.
Java is usually safe to execute. Unfortunately it takes time to load the
classes and Java is known to not run very fast. Avoiding activation of Java should
speed up a website.
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