diff --git a/history/summary.json b/history/summary.json
index d5c9382ad44..8e689b07434 100644
--- a/history/summary.json
+++ b/history/summary.json
@@ -189,19 +189,19 @@
     "url": "http://www.chemexper.com/",
     "icon": "https://icons.duckduckgo.com/ip3/www.chemexper.com.ico",
     "slug": "chem-exper",
-    "status": "down",
+    "status": "up",
     "uptime": "99.82%",
-    "uptimeDay": "85.76%",
-    "uptimeWeek": "86.13%",
-    "uptimeMonth": "93.91%",
+    "uptimeDay": "85.27%",
+    "uptimeWeek": "86.06%",
+    "uptimeMonth": "93.89%",
     "uptimeYear": "99.49%",
     "time": 1476,
-    "timeDay": 915,
-    "timeWeek": 937,
+    "timeDay": 894,
+    "timeWeek": 934,
     "timeMonth": 763,
     "timeYear": 1476,
     "dailyMinutesDown": {
-      "2024-12-17": 204,
+      "2024-12-17": 211,
       "2024-12-16": 215,
       "2024-12-15": 112,
       "2024-12-14": 173,
@@ -233,7 +233,7 @@
     "timeMonth": 0,
     "timeYear": 3705,
     "dailyMinutesDown": {
-      "2024-12-17": 1432,
+      "2024-12-17": 1440,
       "2024-12-16": 1440,
       "2024-12-15": 1440,
       "2024-12-14": 1440,
@@ -488,7 +488,7 @@
     "uptime": "98.67%",
     "uptimeDay": "100.00%",
     "uptimeWeek": "100.00%",
-    "uptimeMonth": "74.53%",
+    "uptimeMonth": "74.55%",
     "uptimeYear": "96.21%",
     "time": 346,
     "timeDay": 974,
@@ -849,8 +849,7 @@
       "2024-01-04": 102,
       "2024-01-02": 582,
       "2023-12-22": 69,
-      "2023-12-20": 640,
-      "2023-12-19": 26
+      "2023-12-20": 640
     }
   },
   {
@@ -1241,7 +1240,8 @@
     "timeMonth": 0,
     "timeYear": 1334,
     "dailyMinutesDown": {
-      "2024-12-17": 1433,
+      "2024-12-18": 1,
+      "2024-12-17": 1440,
       "2024-12-16": 1440,
       "2024-12-15": 1440,
       "2024-12-14": 1440,
@@ -1578,8 +1578,7 @@
       "2023-12-29": 906,
       "2023-12-28": 460,
       "2023-12-27": 176,
-      "2023-12-20": 368,
-      "2023-12-19": 518
+      "2023-12-20": 368
     }
   },
   {
@@ -1707,7 +1706,7 @@
     "icon": "https://icons.duckduckgo.com/ip3/www.heterocycles.jp.ico",
     "slug": "hetereocycles",
     "status": "down",
-    "uptime": "66.47%",
+    "uptime": "66.46%",
     "uptimeDay": "0.00%",
     "uptimeWeek": "0.00%",
     "uptimeMonth": "1.38%",
@@ -1718,7 +1717,8 @@
     "timeMonth": 1339,
     "timeYear": 1471,
     "dailyMinutesDown": {
-      "2024-12-17": 1433,
+      "2024-12-18": 1,
+      "2024-12-17": 1440,
       "2024-12-16": 1440,
       "2024-12-15": 1440,
       "2024-12-14": 1440,
@@ -2251,8 +2251,7 @@
       "2023-12-23": 1440,
       "2023-12-22": 1440,
       "2023-12-21": 1440,
-      "2023-12-20": 1221,
-      "2023-12-19": 30
+      "2023-12-20": 1221
     }
   },
   {