Safari update slowed things down

hi,
after installing safari update 7.1.5 my internet browsing became very slow.  should i revert to previous safari? how?
other updates were: Security update 1.0 and iTunes 12.1.2.  could these have slowed down the browsing?
presently the system is os x 10.9.5. 
more than half the storage is free.
thanks

Hi
There may be a lot of reasons for this issue. Try to follow the instructions above:
Reset Safari settings:
1.Open Safari
2. Click on Safari menu at the top(to the right from the Apple logo)
3. Select preferences/privacy tab
4. Click on Remove all website data
5. Close Safari.
Delete Safari cache files:
1. Click on finder
2. Look for GO menu at the top
3. click on GO and hold down the option key. This will show user library folder.
4. Click on Library and look for Caches folder
5. In caches folder open com.apple.Safari folder
6. Move to trash Cache.db file.
Turn off Safari extentions
1.Open Safari
2. Click on Safari menu at the top(to the right from the Apple logo)
3. Select preferences
4. Find extentions tab
5. Turn off all the extentions
6. Relauch Safari

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