200 OK
https://online.scuola.zanichelli.it/klein2ed/
Last check:
100%
1 month rolling uptime (since Sep 30)
last 24 hours
100% Uptime
0.92 Apdex (1.0)
1.0 .96 .9 .94 .92 .79 .87 .9 .96 .9 .96 .92 .92 .83 .96 .98 .88 .92 .96 .96 .94 .96 .98 1.0
763ms Response time (incl. latency)
250ms
500ms
159
1s
323
2s
59
4s
9
8s
7
16s
1
16s+/err
858ms Total time: Name lookup + Connection + TLS handshake + Response time
Roubaix, France 28 ms18 ms22 ms548 ms616 ms
Frankfurt, Germany 16 ms24 ms27 ms795 ms864 ms
Helsinki, Finland 38 ms42 ms45 ms758 ms884 ms
last months
May: 100%
Apdex (1.0): 0.93
Jun: 100%
Apdex (1.0): 0.94
Jul: 99.97%
Apdex (1.0): 0.93
Aug: 99.96%
Apdex (1.0): 0.92
Sep: 99.97%
Apdex (1.0): 0.95
Oct: 100%
Apdex (1.0): 0.94
No data
No downtime
< 15m downtime
> 15m downtime

Response time (ms) → 0 250 500 750 1000 1250 1500 Downtime → 2h 1h 40m ✓ 📅 October 31, 2026: Average: 616 ms ├ Helsinki: 763 ms ├ Roubaix: 542 ms └ Frankfurt: 544 ms 📅 October 30, 2026: Average: 709 ms ├ Helsinki: 763 ms ├ Roubaix: 586 ms └ Frankfurt: 779 ms 📅 October 29, 2026: Average: 838 ms ├ Helsinki: 839 ms └ Frankfurt: 838 ms 📅 October 28, 2026: Average: 890 ms ├ Helsinki: 1.03 s └ Frankfurt: 747 ms 📅 October 27, 2026: Average: 579 ms ├ Helsinki: 589 ms └ Frankfurt: 570 ms 📅 October 26, 2026: Average: 571 ms ├ Helsinki: 563 ms └ Frankfurt: 579 ms 📅 October 25, 2026: Average: 489 ms ├ Helsinki: 536 ms └ Frankfurt: 442 ms 📅 October 24, 2026: Average: 529 ms ├ Helsinki: 502 ms └ Frankfurt: 556 ms 📅 October 23, 2026: Average: 557 ms ├ Helsinki: 608 ms ├ Roubaix: 492 ms └ Frankfurt: 571 ms 📅 October 22, 2026: Average: 705 ms ├ Helsinki: 674 ms ├ Roubaix: 609 ms └ Frankfurt: 832 ms 📅 October 21, 2026: Average: 590 ms ├ Helsinki: 601 ms ├ Roubaix: 565 ms └ Frankfurt: 604 ms 📅 October 20, 2026: Average: 632 ms ├ Helsinki: 605 ms ├ Roubaix: 610 ms └ Frankfurt: 681 ms 📅 October 19, 2026: Average: 735 ms ├ Helsinki: 707 ms ├ Roubaix: 683 ms └ Frankfurt: 817 ms 📅 October 18, 2026: Average: 580 ms ├ Helsinki: 552 ms ├ Roubaix: 574 ms └ Frankfurt: 614 ms 📅 October 17, 2026: Average: 689 ms ├ Helsinki: 661 ms ├ Roubaix: 740 ms └ Frankfurt: 666 ms Oct 2026 📅 October 16, 2026: Average: 812 ms ├ Helsinki: 860 ms ├ Roubaix: 760 ms └ Frankfurt: 818 ms 📅 October 15, 2026: Average: 811 ms ├ Helsinki: 747 ms ├ Roubaix: 859 ms └ Frankfurt: 827 ms 📅 October 14, 2026: Average: 710 ms ├ Helsinki: 706 ms ├ Roubaix: 759 ms └ Frankfurt: 665 ms 📅 October 13, 2026: Average: 771 ms ├ Helsinki: 723 ms ├ Roubaix: 901 ms └ Frankfurt: 691 ms 📅 October 12, 2026: Average: 621 ms ├ Helsinki: 727 ms ├ Roubaix: 564 ms └ Frankfurt: 572 ms 📅 October 11, 2026: Average: 657 ms ├ Helsinki: 701 ms ├ Roubaix: 608 ms └ Frankfurt: 663 ms 📅 October 10, 2026: Average: 628 ms ├ Helsinki: 583 ms ├ Roubaix: 590 ms └ Frankfurt: 712 ms 📅 October 09, 2026: Average: 683 ms ├ Helsinki: 791 ms ├ Roubaix: 646 ms └ Frankfurt: 612 ms 📅 October 08, 2026: Average: 731 ms ├ Helsinki: 709 ms ├ Roubaix: 759 ms └ Frankfurt: 726 ms 📅 October 07, 2026: Average: 584 ms ├ Helsinki: 634 ms ├ Roubaix: 560 ms └ Frankfurt: 559 ms 📅 October 06, 2026: Average: 709 ms ├ Helsinki: 816 ms ├ Roubaix: 665 ms └ Frankfurt: 646 ms 📅 October 05, 2026: Average: 711 ms ├ Helsinki: 559 ms ├ Roubaix: 918 ms └ Frankfurt: 658 ms 📅 October 04, 2026: Average: 561 ms ├ Helsinki: 555 ms ├ Roubaix: 521 ms └ Frankfurt: 609 ms 📅 October 03, 2026: Average: 606 ms ├ Helsinki: 698 ms ├ Roubaix: 594 ms └ Frankfurt: 526 ms 📅 October 02, 2026: Average: 582 ms ├ Helsinki: 573 ms ├ Roubaix: 568 ms └ Frankfurt: 606 ms 📅 October 01, 2026: Average: 668 ms ├ Helsinki: 750 ms ├ Roubaix: 653 ms └ Frankfurt: 603 ms 📅 September 30, 2026: Average: 781 ms ├ Helsinki: 754 ms ├ Roubaix: 893 ms └ Frankfurt: 696 ms 📅 September 29, 2026: Average: 651 ms ├ Helsinki: 636 ms ├ Roubaix: 652 ms └ Frankfurt: 667 ms 📅 September 28, 2026: Average: 622 ms ├ Helsinki: 693 ms ├ Roubaix: 577 ms └ Frankfurt: 597 ms 📅 September 27, 2026: Average: 473 ms ├ Helsinki: 464 ms ├ Roubaix: 402 ms └ Frankfurt: 555 ms 📅 September 26, 2026: Average: 548 ms ├ Helsinki: 572 ms ├ Roubaix: 539 ms └ Frankfurt: 534 ms 📅 September 25, 2026: Average: 522 ms ├ Helsinki: 508 ms ├ Roubaix: 477 ms └ Frankfurt: 581 ms 📅 September 24, 2026: Average: 512 ms ├ Helsinki: 476 ms ├ Roubaix: 536 ms └ Frankfurt: 524 ms 📅 September 23, 2026: Average: 601 ms ├ Helsinki: 628 ms ├ Roubaix: 562 ms └ Frankfurt: 614 ms 📅 September 22, 2026: Average: 603 ms ├ Helsinki: 592 ms ├ Roubaix: 529 ms └ Frankfurt: 688 ms 📅 September 21, 2026: Average: 651 ms ├ Helsinki: 688 ms ├ Roubaix: 675 ms └ Frankfurt: 592 ms 📅 September 20, 2026: Average: 545 ms ├ Helsinki: 533 ms ├ Roubaix: 585 ms └ Frankfurt: 519 ms 📅 September 19, 2026: Average: 547 ms ├ Helsinki: 548 ms ├ Roubaix: 557 ms └ Frankfurt: 537 ms 📅 September 18, 2026: Average: 666 ms ├ Helsinki: 655 ms ├ Roubaix: 687 ms └ Frankfurt: 657 ms 📅 September 17, 2026: Average: 775 ms ├ Helsinki: 761 ms ├ Roubaix: 941 ms └ Frankfurt: 623 ms Sep 2026 📅 September 16, 2026: Average: 614 ms ├ Helsinki: 712 ms ├ Roubaix: 611 ms └ Frankfurt: 520 ms 📅 September 15, 2026: Average: 566 ms ├ Helsinki: 641 ms ├ Roubaix: 521 ms └ Frankfurt: 538 ms 📅 September 14, 2026: Average: 582 ms ├ Helsinki: 575 ms ├ Roubaix: 505 ms └ Frankfurt: 667 ms 📅 September 13, 2026: Average: 596 ms ├ Helsinki: 577 ms ├ Roubaix: 697 ms └ Frankfurt: 514 ms 📅 September 12, 2026: Average: 574 ms ├ Helsinki: 623 ms ├ Roubaix: 514 ms └ Frankfurt: 585 ms 📅 September 11, 2026: Average: 547 ms ├ Helsinki: 581 ms ├ Roubaix: 538 ms └ Frankfurt: 524 ms 📅 September 10, 2026: Average: 580 ms ├ Helsinki: 601 ms ├ Roubaix: 559 ms └ Frankfurt: 580 ms 📅 September 09, 2026: Average: 521 ms ├ Helsinki: 499 ms ├ Roubaix: 525 ms └ Frankfurt: 539 ms 📅 September 08, 2026: Average: 530 ms ├ Helsinki: 535 ms ├ Roubaix: 518 ms └ Frankfurt: 537 ms 📅 September 07, 2026: 🔴 Downtime: 10m Average: 757 ms ├ Helsinki: 758 ms ├ Roubaix: 779 ms └ Frankfurt: 735 ms 📅 September 06, 2026: Average: 730 ms ├ Helsinki: 662 ms ├ Roubaix: 638 ms └ Frankfurt: 891 ms 📅 September 05, 2026: Average: 619 ms ├ Helsinki: 655 ms ├ Roubaix: 586 ms └ Frankfurt: 617 ms 📅 September 04, 2026: Average: 636 ms ├ Helsinki: 689 ms ├ Roubaix: 646 ms └ Frankfurt: 575 ms 📅 September 03, 2026: Average: 803 ms ├ Helsinki: 720 ms ├ Roubaix: 645 ms └ Frankfurt: 1.05 s 📅 September 02, 2026: Average: 740 ms ├ Helsinki: 897 ms ├ Roubaix: 688 ms └ Frankfurt: 637 ms 📅 September 01, 2026: Average: 675 ms ├ Helsinki: 692 ms ├ Roubaix: 661 ms └ Frankfurt: 673 ms 📅 August 31, 2026: Average: 756 ms ├ Helsinki: 756 ms ├ Roubaix: 764 ms └ Frankfurt: 750 ms 📅 August 30, 2026: Average: 841 ms ├ Helsinki: 859 ms ├ Roubaix: 785 ms └ Frankfurt: 881 ms 📅 August 29, 2026: Average: 673 ms ├ Helsinki: 641 ms ├ Roubaix: 697 ms └ Frankfurt: 681 ms 📅 August 28, 2026: Average: 827 ms ├ Helsinki: 796 ms ├ Roubaix: 857 ms └ Frankfurt: 829 ms 📅 August 27, 2026: Average: 683 ms ├ Helsinki: 680 ms ├ Roubaix: 617 ms └ Frankfurt: 752 ms 📅 August 26, 2026: Average: 684 ms ├ Helsinki: 654 ms ├ Roubaix: 707 ms └ Frankfurt: 693 ms 📅 August 25, 2026: Average: 690 ms ├ Helsinki: 587 ms ├ Roubaix: 726 ms └ Frankfurt: 757 ms 📅 August 24, 2026: Average: 788 ms ├ Helsinki: 879 ms ├ Roubaix: 742 ms └ Frankfurt: 744 ms 📅 August 23, 2026: Average: 709 ms ├ Helsinki: 698 ms ├ Roubaix: 741 ms └ Frankfurt: 689 ms 📅 August 22, 2026: Average: 1.05 s ├ Helsinki: 1.23 s ├ Roubaix: 1.06 s └ Frankfurt: 851 ms 📅 August 21, 2026: Average: 862 ms ├ Helsinki: 929 ms ├ Roubaix: 728 ms └ Frankfurt: 930 ms 📅 August 20, 2026: Average: 739 ms ├ Helsinki: 793 ms ├ Roubaix: 650 ms └ Frankfurt: 774 ms 📅 August 19, 2026: Average: 765 ms ├ Helsinki: 789 ms ├ Roubaix: 736 ms └ Frankfurt: 772 ms 📅 August 18, 2026: Average: 724 ms ├ Helsinki: 754 ms ├ Roubaix: 732 ms └ Frankfurt: 688 ms 📅 August 17, 2026: Average: 709 ms ├ Helsinki: 675 ms ├ Roubaix: 829 ms └ Frankfurt: 625 ms Aug 2026 📅 August 16, 2026: Average: 792 ms ├ Helsinki: 848 ms ├ Roubaix: 836 ms └ Frankfurt: 692 ms 📅 August 15, 2026: 🔴 Downtime: 15m Average: 823 ms ├ Helsinki: 902 ms ├ Roubaix: 691 ms └ Frankfurt: 877 ms 📅 August 14, 2026: Average: 599 ms ├ Helsinki: 590 ms ├ Roubaix: 544 ms └ Frankfurt: 665 ms 📅 August 13, 2026: Average: 669 ms ├ Helsinki: 667 ms ├ Roubaix: 686 ms └ Frankfurt: 654 ms 📅 August 12, 2026: Average: 708 ms ├ Helsinki: 838 ms ├ Roubaix: 642 ms └ Frankfurt: 644 ms 📅 August 11, 2026: Average: 668 ms ├ Helsinki: 668 ms ├ Roubaix: 666 ms └ Frankfurt: 671 ms 📅 August 10, 2026: Average: 613 ms ├ Helsinki: 594 ms ├ Roubaix: 559 ms └ Frankfurt: 687 ms 📅 August 09, 2026: Average: 549 ms ├ Helsinki: 605 ms ├ Roubaix: 537 ms └ Frankfurt: 507 ms 📅 August 08, 2026: Average: 572 ms ├ Helsinki: 546 ms ├ Roubaix: 550 ms └ Frankfurt: 621 ms 📅 August 07, 2026: Average: 625 ms ├ Helsinki: 629 ms ├ Roubaix: 591 ms └ Frankfurt: 656 ms 📅 August 06, 2026: Average: 664 ms ├ Helsinki: 713 ms ├ Roubaix: 585 ms └ Frankfurt: 695 ms 📅 August 05, 2026: Average: 727 ms ├ Helsinki: 807 ms ├ Roubaix: 738 ms └ Frankfurt: 637 ms 📅 August 04, 2026: Average: 638 ms ├ Helsinki: 670 ms ├ Roubaix: 647 ms └ Frankfurt: 599 ms 📅 August 03, 2026: Average: 615 ms ├ Helsinki: 616 ms ├ Roubaix: 580 ms └ Frankfurt: 651 ms 📅 August 02, 2026: Average: 613 ms ├ Helsinki: 615 ms ├ Roubaix: 681 ms └ Frankfurt: 544 ms 📅 August 01, 2026: Average: 654 ms ├ Helsinki: 699 ms ├ Roubaix: 612 ms └ Frankfurt: 651 ms 2026 📅 July 2026: 🔴 Downtime: 10m Average: 704 ms ├ Helsinki: 720 ms ├ Roubaix: 685 ms └ Frankfurt: 709 ms 📅 June 2026: Average: 705 ms ├ Helsinki: 726 ms ├ Roubaix: 711 ms └ Frankfurt: 679 ms 📅 May 2026: Average: 711 ms ├ Helsinki: 710 ms ├ Roubaix: 697 ms └ Frankfurt: 727 ms Day → ← Month Helsinki Helsinki Roubaix Roubaix Frankfurt Frankfurt Downtime Average Average Downtime
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