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What if I has set browser cache to very large value ? Will it increase browsing speed or decrease browsing speed as browser has to scan many folders & files

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"In Mozilla Firefox we have a option to set cache size as we wish. It can be 100MB or 2GB or more. Cache memory is suppose to increase browsing speed as browser does not have to download frequent HTML,CSS, image, etc. What if someone has set it browser to use very large cache ? Will it increase browsing speed or decrease browsing speed as browser has to scan to very large sets of folders and files before loading the website ?"

"In Mozilla Firefox we have a option to set cache size as we wish. It can be 100MB or 2GB or more. Cache memory is suppose to increase browsing speed as browser does not have to download frequent HTML,CSS, image, etc. What if someone has set it browser to use very large cache ? Will it increase browsing speed or decrease browsing speed as browser has to scan to very large sets of folders and files before loading the website ?"

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This sounds like an interesting thing to test, and the results may differ based on your network connection speed.

Firefox will respond to reduced availability of disk space by shrinking the cache. However, on most system with lots of space, it seems to use about 350 megabytes. If you are doing a test, I would compare with that value versus, say, 1GB.

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I have set the cache size to 2GB, 'override automatic cache management'