200 OK
https://tutor.zanichelli.it/matematica/
Last check:
100%
1 month rolling uptime (since Aug 14)
last 24 hours
100% Uptime
1.0 Apdex (1.0)
1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 .88
89ms Response time (incl. latency)
250ms
257
500ms
14
1s
8
2s
1
4s
8s
16s
16s+/err
209ms Total time: Name lookup + Connection + TLS handshake + Response time
Roubaix, France 44 ms22 ms26 ms64 ms157 ms
Frankfurt, Germany 37 ms22 ms27 ms125 ms212 ms
Helsinki, Finland 82 ms46 ms49 ms82 ms261 ms
last months
Apr: N/A
Apdex (1.0): N/A
May: 100%
Apdex (1.0): 0.98
Jun: 100%
Apdex (1.0): 0.98
Jul: 100%
Apdex (1.0): 0.98
Aug: 100%
Apdex (1.0): 0.98
Sep: 100%
Apdex (1.0): 0.99
No data
No downtime
< 15m downtime
> 15m downtime

Response time (ms) → 0 250 500 750 1000 Downtime → 2h 1h 40m ✓ 📅 September 14, 2026: Average: 189 ms ├ Helsinki: 75 ms ├ Roubaix: 42 ms └ Frankfurt: 452 ms 📅 September 13, 2026: Average: 80 ms ├ Helsinki: 98 ms ├ Roubaix: 62 ms └ Frankfurt: 82 ms 📅 September 12, 2026: Average: 95 ms ├ Helsinki: 124 ms ├ Roubaix: 90 ms └ Frankfurt: 72 ms 📅 September 11, 2026: Average: 132 ms ├ Helsinki: 96 ms ├ Roubaix: 109 ms └ Frankfurt: 191 ms 📅 September 10, 2026: Average: 98 ms ├ Helsinki: 91 ms ├ Roubaix: 81 ms └ Frankfurt: 122 ms 📅 September 09, 2026: Average: 119 ms ├ Helsinki: 156 ms ├ Roubaix: 97 ms └ Frankfurt: 104 ms 📅 September 08, 2026: Average: 150 ms ├ Helsinki: 131 ms ├ Roubaix: 112 ms └ Frankfurt: 207 ms 📅 September 07, 2026: Average: 116 ms ├ Helsinki: 183 ms ├ Roubaix: 86 ms └ Frankfurt: 80 ms 📅 September 06, 2026: Average: 105 ms ├ Helsinki: 133 ms ├ Roubaix: 81 ms └ Frankfurt: 101 ms 📅 September 05, 2026: Average: 102 ms ├ Helsinki: 111 ms ├ Roubaix: 113 ms └ Frankfurt: 83 ms 📅 September 04, 2026: Average: 115 ms ├ Helsinki: 163 ms ├ Roubaix: 59 ms └ Frankfurt: 124 ms 📅 September 03, 2026: Average: 132 ms ├ Helsinki: 206 ms ├ Roubaix: 93 ms └ Frankfurt: 99 ms 📅 September 02, 2026: Average: 92 ms ├ Helsinki: 103 ms ├ Roubaix: 116 ms └ Frankfurt: 58 ms 📅 September 01, 2026: Average: 176 ms ├ Helsinki: 228 ms ├ Roubaix: 129 ms └ Frankfurt: 171 ms 📅 August 31, 2026: Average: 219 ms ├ Helsinki: 169 ms ├ Roubaix: 196 ms └ Frankfurt: 292 ms 📅 August 30, 2026: Average: 227 ms ├ Helsinki: 343 ms ├ Roubaix: 126 ms └ Frankfurt: 213 ms 📅 August 29, 2026: Average: 266 ms ├ Helsinki: 223 ms ├ Roubaix: 382 ms └ Frankfurt: 195 ms 📅 August 28, 2026: Average: 288 ms ├ Helsinki: 265 ms ├ Roubaix: 232 ms └ Frankfurt: 369 ms 📅 August 27, 2026: Average: 240 ms ├ Helsinki: 201 ms ├ Roubaix: 281 ms └ Frankfurt: 239 ms 📅 August 26, 2026: Average: 210 ms ├ Helsinki: 217 ms ├ Roubaix: 231 ms └ Frankfurt: 183 ms 📅 August 25, 2026: Average: 219 ms ├ Helsinki: 113 ms ├ Roubaix: 288 ms └ Frankfurt: 256 ms 📅 August 24, 2026: Average: 239 ms ├ Helsinki: 173 ms ├ Roubaix: 225 ms └ Frankfurt: 321 ms 📅 August 23, 2026: Average: 250 ms ├ Helsinki: 308 ms ├ Roubaix: 232 ms └ Frankfurt: 211 ms 📅 August 22, 2026: Average: 284 ms ├ Helsinki: 396 ms ├ Roubaix: 278 ms └ Frankfurt: 180 ms 📅 August 21, 2026: Average: 208 ms ├ Helsinki: 232 ms ├ Roubaix: 223 ms └ Frankfurt: 171 ms 📅 August 20, 2026: Average: 175 ms ├ Helsinki: 153 ms ├ Roubaix: 252 ms └ Frankfurt: 120 ms 📅 August 19, 2026: Average: 309 ms ├ Helsinki: 319 ms ├ Roubaix: 265 ms └ Frankfurt: 344 ms 📅 August 18, 2026: Average: 193 ms ├ Helsinki: 166 ms ├ Roubaix: 183 ms └ Frankfurt: 230 ms 📅 August 17, 2026: Average: 212 ms ├ Helsinki: 175 ms ├ Roubaix: 218 ms └ Frankfurt: 243 ms Aug 2026 📅 August 16, 2026: Average: 248 ms ├ Helsinki: 232 ms ├ Roubaix: 315 ms └ Frankfurt: 198 ms 📅 August 15, 2026: Average: 322 ms ├ Helsinki: 368 ms ├ Roubaix: 222 ms └ Frankfurt: 377 ms 📅 August 14, 2026: Average: 247 ms ├ Helsinki: 202 ms ├ Roubaix: 302 ms └ Frankfurt: 237 ms 📅 August 13, 2026: Average: 210 ms ├ Helsinki: 211 ms ├ Roubaix: 182 ms └ Frankfurt: 239 ms 📅 August 12, 2026: Average: 215 ms ├ Helsinki: 254 ms ├ Roubaix: 194 ms └ Frankfurt: 199 ms 📅 August 11, 2026: Average: 194 ms ├ Helsinki: 187 ms ├ Roubaix: 197 ms └ Frankfurt: 200 ms 📅 August 10, 2026: Average: 220 ms ├ Helsinki: 108 ms ├ Roubaix: 360 ms └ Frankfurt: 194 ms 📅 August 09, 2026: Average: 224 ms ├ Helsinki: 239 ms ├ Roubaix: 303 ms └ Frankfurt: 131 ms 📅 August 08, 2026: Average: 193 ms ├ Helsinki: 197 ms ├ Roubaix: 209 ms └ Frankfurt: 173 ms 📅 August 07, 2026: Average: 228 ms ├ Helsinki: 254 ms ├ Roubaix: 258 ms └ Frankfurt: 172 ms 📅 August 06, 2026: Average: 201 ms ├ Helsinki: 183 ms ├ Roubaix: 185 ms └ Frankfurt: 235 ms 📅 August 05, 2026: Average: 176 ms ├ Helsinki: 213 ms ├ Roubaix: 160 ms └ Frankfurt: 156 ms 📅 August 04, 2026: Average: 186 ms ├ Helsinki: 218 ms ├ Roubaix: 125 ms └ Frankfurt: 215 ms 📅 August 03, 2026: Average: 259 ms ├ Helsinki: 206 ms ├ Roubaix: 289 ms └ Frankfurt: 283 ms 📅 August 02, 2026: Average: 206 ms ├ Helsinki: 156 ms ├ Roubaix: 156 ms └ Frankfurt: 306 ms 📅 August 01, 2026: Average: 156 ms ├ Helsinki: 125 ms ├ Roubaix: 179 ms └ Frankfurt: 164 ms 📅 July 31, 2026: Average: 199 ms ├ Helsinki: 252 ms ├ Roubaix: 185 ms └ Frankfurt: 162 ms 📅 July 30, 2026: Average: 246 ms ├ Helsinki: 211 ms ├ Roubaix: 251 ms └ Frankfurt: 277 ms 📅 July 29, 2026: Average: 246 ms ├ Helsinki: 300 ms ├ Roubaix: 148 ms └ Frankfurt: 292 ms 📅 July 28, 2026: Average: 171 ms ├ Helsinki: 163 ms ├ Roubaix: 187 ms └ Frankfurt: 165 ms 📅 July 27, 2026: Average: 215 ms ├ Helsinki: 238 ms ├ Roubaix: 149 ms └ Frankfurt: 260 ms 📅 July 26, 2026: Average: 242 ms ├ Helsinki: 212 ms ├ Roubaix: 264 ms └ Frankfurt: 250 ms 📅 July 25, 2026: Average: 342 ms ├ Helsinki: 622 ms ├ Roubaix: 140 ms └ Frankfurt: 264 ms 📅 July 24, 2026: Average: 216 ms ├ Helsinki: 169 ms ├ Roubaix: 192 ms └ Frankfurt: 289 ms 📅 July 23, 2026: Average: 200 ms ├ Helsinki: 211 ms ├ Roubaix: 154 ms └ Frankfurt: 235 ms 📅 July 22, 2026: Average: 240 ms ├ Helsinki: 220 ms ├ Roubaix: 251 ms └ Frankfurt: 250 ms 📅 July 21, 2026: Average: 226 ms ├ Helsinki: 221 ms ├ Roubaix: 234 ms └ Frankfurt: 225 ms 📅 July 20, 2026: Average: 177 ms ├ Helsinki: 179 ms ├ Roubaix: 236 ms └ Frankfurt: 116 ms 📅 July 19, 2026: Average: 250 ms ├ Helsinki: 221 ms ├ Roubaix: 339 ms └ Frankfurt: 191 ms 📅 July 18, 2026: Average: 229 ms ├ Helsinki: 290 ms ├ Roubaix: 199 ms └ Frankfurt: 199 ms 📅 July 17, 2026: Average: 275 ms ├ Helsinki: 398 ms ├ Roubaix: 219 ms └ Frankfurt: 208 ms Jul 2026 📅 July 16, 2026: Average: 225 ms ├ Helsinki: 197 ms ├ Roubaix: 277 ms └ Frankfurt: 203 ms 📅 July 15, 2026: Average: 209 ms ├ Helsinki: 137 ms ├ Roubaix: 222 ms └ Frankfurt: 269 ms 📅 July 14, 2026: Average: 249 ms ├ Helsinki: 195 ms ├ Roubaix: 268 ms └ Frankfurt: 285 ms 📅 July 13, 2026: Average: 354 ms ├ Helsinki: 182 ms ├ Roubaix: 153 ms └ Frankfurt: 727 ms 📅 July 12, 2026: Average: 211 ms ├ Helsinki: 219 ms ├ Roubaix: 222 ms └ Frankfurt: 194 ms 📅 July 11, 2026: Average: 296 ms ├ Helsinki: 308 ms ├ Roubaix: 274 ms └ Frankfurt: 306 ms 📅 July 10, 2026: Average: 205 ms ├ Helsinki: 238 ms ├ Roubaix: 211 ms └ Frankfurt: 166 ms 📅 July 09, 2026: Average: 181 ms ├ Helsinki: 132 ms ├ Roubaix: 184 ms └ Frankfurt: 227 ms 📅 July 08, 2026: Average: 277 ms ├ Helsinki: 210 ms ├ Roubaix: 233 ms └ Frankfurt: 390 ms 📅 July 07, 2026: Average: 322 ms ├ Helsinki: 547 ms ├ Roubaix: 185 ms └ Frankfurt: 234 ms 📅 July 06, 2026: Average: 209 ms ├ Helsinki: 183 ms ├ Roubaix: 319 ms └ Frankfurt: 126 ms 📅 July 05, 2026: Average: 169 ms ├ Helsinki: 165 ms ├ Roubaix: 171 ms └ Frankfurt: 173 ms 📅 July 04, 2026: Average: 141 ms ├ Helsinki: 180 ms ├ Roubaix: 123 ms └ Frankfurt: 121 ms 📅 July 03, 2026: Average: 251 ms ├ Helsinki: 318 ms ├ Roubaix: 231 ms └ Frankfurt: 206 ms 📅 July 02, 2026: Average: 231 ms ├ Helsinki: 184 ms ├ Roubaix: 337 ms └ Frankfurt: 174 ms 2026 📅 July 01, 2026: Average: 304 ms ├ Helsinki: 547 ms ├ Roubaix: 90 ms └ Frankfurt: 276 ms 📅 June 2026: Average: 237 ms ├ Helsinki: 260 ms ├ Roubaix: 227 ms └ Frankfurt: 225 ms 📅 May 2026: Average: 218 ms ├ Helsinki: 220 ms ├ Roubaix: 210 ms └ Frankfurt: 226 ms Day → ← Month Helsinki Helsinki Roubaix Roubaix Frankfurt Frankfurt Average Average Downtime
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