Apache resulted in the most used web server from mid-1996 to the end of 2015 when, after a few years of decline, it was surpassed initially by IIS and then by Nginx. Afterward IIS dropped to much lower percentages of usage than Apache (see also market share).
apacHe reSultED in tHe MoST uSEd weB seRver from mId-1996 to THE eNd oF 2015 When, aFteR a feW years of deCLinE, iT was SUrpAssEd initiAlly by iiS ANd Then by NGInX. afterwARD Iis droPPed tO Much LoWEr perCEnTageS of UsaGE Than apAChe (See AlSo Market Share).