I have set up my home network & home DNS server to match the one at work and therefore don't have to play around with settings on each end (mainly synergy keyboard and mouse sharing) I'm wondering if that might be the source of the problem. You don't have the same ISP at home and at work. If your computer is caching routing to sites, the cached routes from home might be tripping you up at work -- and the cached routes from work might be tripping you up at home. It would be a useful experiment to run a system maintenance utility like Yasu and clear all your caches. Then visit and revisit some site and see how page draw goes on the revisit. Your observation that your Mac 'thinks' too long before displaying the page is consistent with a problem in DNS name resolution and/or a problem in finding the route to all the elements that make up the page. If the Mac tries a DNS lookup and doesn't succeed, it has to wait a certain amount of time before it tries again with a different DNS server. Box shot 3d full. Similarly if it tries a route to a web address and that route doesn't work by timing out. So I'd suggest clearing all your Mac's caches (not just the browser's cache). I'd also suggest rechecking your Local DNS server settings. It's possible that the first DNS is wrong, which is forcing a timeout failure before looking to the next DNS server. Pages load times can be slow in two different ways. They can be slow because your internet connection is slow -- or they can be slow because the browser is not resolving internet names quickly into internet numerical addresses. A webpage can require many domain name lookups for all the elements on the page -- not just the original site name. Recognize your Mac is getting old – Have you had your Mac for several years? Is everything slow, not just Firefox? Sometimes you have to acknowledge when age If everything checks out but Firefox keeps crashing, we recommend running it in Safe Mode. This will load Firefox without any add-ons. If you are connected to your router or cable modem with an ethernet cable and your pages are loading slowly both at home and at work, my hunch is that your DNS servers are poorly chosen. Go into Apple Menu > System Preferences > Network > Configure > TCPIP (tab) and let us know what your DNS settings are. I have set up my home network & home DNS server to match the one at work and therefore don't have to play around with settings on each end (mainly synergy keyboard and mouse sharing). Download speeds are 589kb/s and upload 322 Kb/s Again - its not so much my internet connection - its the actual time it takes for a page to load on my mac compared to the exact same page on my DT. I know that sounds stupid because internet connection has everything to do with it but it seems like my mac is thinking about it way too much before it displays anything. Could be a faulty network card. I have set up my home network & home DNS server to match the one at work and therefore don't have to play around with settings on each end (mainly synergy keyboard and mouse sharing) I'm wondering if that might be the source of the problem. You don't have the same ISP at home and at work. If your computer is caching routing to sites, the cached routes from home might be tripping you up at work -- and the cached routes from work might be tripping you up at home. It would be a useful experiment to run a system maintenance utility like Yasu and clear all your caches. Then visit and revisit some site and see how page draw goes on the revisit. Your observation that your Mac 'thinks' too long before displaying the page is consistent with a problem in DNS name resolution and/or a problem in finding the route to all the elements that make up the page. If the Mac tries a DNS lookup and doesn't succeed, it has to wait a certain amount of time before it tries again with a different DNS server. Similarly if it tries a route to a web address and that route doesn't work by timing out. So I'd suggest clearing all your Mac's caches (not just the browser's cache).
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