Updating is generally a good thing, regarding making it faster, you may consider using a cache plugin (such as wpsupercache) that will probably achieve the improvement you are looking for.
Uppdatering kwa ujumla ni jambo zuri, kuhusu kufanya hivyo kwa haraka, unaweza kufikiria kutumia Plugin cache (kama vile wpsupercache) kwamba pengine kufikia kuboresha wewe ni kuangalia kwa.