网页加载很慢是什么原因

页面:/news/view-1283847/ | 耗时:0.5804 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1283847 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1283847 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1283847 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1073772,1083170,1073025,1104847,1091123,1120372,1124169,1073577,1121052,1106960,1091615,1077695,1041948,1068154,1061518,1085388,1090196,1087833,1082303,1074534,1108255,1123251,1122938,1123419,1071055,1070732,1071992,1074184,1102030,1104455) ORDER BY field (ArticleID,1073772,1083170,1073025,1104847,1091123,1120372,1124169,1073577,1121052,1106960,1091615,1077695,1041948,1068154,1061518,1085388,1090196,1087833,1082303,1074534,1108255,1123251,1122938,1123419,1071055,1070732,1071992,1074184,1102030,1104455)