CRL sites ordered by average bytes/s over the last 1 day, updated every 15 mins. 305 sites
Click on a column heading to sort by that column, click twice to reverse order.
Click the site name to see graphs of site performance.
FAQ
Rank Performance graph Company site OS Outage hh:mm:ss Failed Req% DNS Connect First byte Total Kb/s size(K)
1 F5 BIG-IP  0:00:00  9.240  0.620 0.397 0.770 0.784 - 0
2 FreeBSD  0:00:00  0.000  0.914 0.255 0.501 0.811 33 10
3 F5 BIG-IP  0:30:00  49.850  0.541 0.114 0.220 0.333 56 6
4 unknown  0:00:00  4.933  0.451 0.301 0.578 2.555 70 139
5 F5 BIG-IP  0:00:00  0.000  0.461 0.204 0.407 1.217 83 68
6 F5 BIG-IP  0:00:00  0.000  0.463 0.213 0.428 1.198 88 68
7 F5 BIG-IP  0:58:00  54.111  0.233 0.084 0.170 0.254 108 9
8 Windows Server 2003  0:00:00  0.000  0.270 0.105 0.212 2.059 120 223
9 unknown  0:00:00  0.000  0.542 0.223 0.458 0.905 151 68
10 F5 BIG-IP  0:00:00  0.000  0.337 0.084 0.304 0.783 163 78
11 Linux  0:00:00  0.000  0.376 0.104 0.208 0.312 166 17
12 F5 BIG-IP  0:00:00  0.000  0.893 0.099 0.223 0.693 213 100
13 Linux  0:00:00  0.150  0.739 0.005 0.023 0.025 - 0
14 Linux  0:00:00  0.000  0.225 0.097 0.196 0.658 280 129
15 Linux  0:00:00  0.000  0.373 0.005 0.019 0.021 - 1
16 Linux  0:00:00  0.000  0.517 0.005 0.025 0.026 - 0
17 Linux  0:00:00  0.000  0.869 0.005 0.036 0.037 - 0
18 Linux  0:00:00  0.000  0.534 0.005 0.029 0.030 - 0
19 Linux  0:00:00  0.000  0.232 0.103 0.206 0.563 362 129
20 Linux  0:00:00  0.000  0.602 0.005 0.026 0.027 - 0
21 Linux  0:00:00  0.000  0.525 0.005 0.018 0.020 - 0
22 Linux  0:00:00  0.000  0.429 0.005 0.029 0.030 - 0
23 Linux  0:00:00  0.000  0.452 0.118 0.237 2.006 445 788
24 Linux  0:00:00  0.000  0.378 0.005 0.030 0.031 - 1
25 Linux  0:00:00  0.000  1.487 0.005 0.030 0.031 - 0
26 Linux  0:00:00  0.000  0.527 0.005 0.015 0.016 - 0
27 Linux  0:00:00  0.000  0.373 0.005 0.015 0.016 - 1
28 Linux  0:00:00  0.000  0.548 0.005 0.027 0.028 - 0
29 Linux  0:00:00  0.000  0.697 0.005 0.024 0.025 - 0
30 Linux  0:00:00  0.000  0.659 0.005 0.041 0.042 - 1
31 Linux  0:00:00  0.000  0.381 0.005 0.012 0.013 - 1
32 Linux  0:00:00  0.000  0.374 0.005 0.019 0.020 - 1
33 Linux  0:00:00  0.000  0.381 0.005 0.019 0.020 - 1
34 Linux  0:00:00  0.000  0.423 0.005 0.019 0.020 - 1
35 Linux  0:00:00  0.000  0.528 0.005 0.019 0.019 - 0
36 Linux  0:00:00  0.000  0.530 0.005 0.028 0.029 - 0
37 unknown  7:49:21  62.742  0.244 0.070 0.142 12.244 746 9030
38 HP ProCurve  0:00:00  0.000  0.377 0.078 0.169 0.575 760 309
39 Linux  0:00:00  0.000  0.366 0.005 0.022 0.022 - 1
40 Linux  0:00:00  0.000  0.370 0.005 0.017 0.019 965 1
41 F5 BIG-IP  0:00:00  29.359  0.610 0.359 0.649 0.653 979 3
42 Linux  0:00:00  0.000  0.659 0.004 0.164 0.276 1070 119
43 Linux  0:00:00  0.000  0.376 0.005 0.024 0.024 1192 1
44 Linux  0:00:00  0.000  0.599 0.008 0.049 0.108 1376 81
45 Linux  0:00:00  0.000  0.598 0.010 0.046 0.080 1662 56
46 Linux  0:00:00  0.000  0.439 0.006 0.066 0.112 2667 121
47 Linux  0:00:00  0.000  0.291 0.045 0.091 0.368 3052 845
48 unknown  0:00:00  0.000  0.285 0.006 0.022 0.027 5385 30
49 Linux  0:00:00  0.000  0.482 0.016 0.071 0.347 6470 1783
50 Linux  0:00:00  0.000  0.427 0.006 0.035 0.041 6745 41
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Report from 19-Aug-2019 01:27 till 20-Aug-2019 01:26

Generated on 20-Aug-2019 01:31

Note: Outage times display the minimum outage time which may understate each outage by up to 15 minutes, which is the sampling frequency.

If you are researching prospective hosting locations, or performing competitor analysis and would like to buy bespoke performance monitoring of sites of your choice, or access to historical data, please mail us at sales@netcraft.com

Interpreting the Tables

By default the sites are ranked in order of failed requests and time to connect, shortest first, in order to give the clearest indication of network capacity and congestion, with the least impact from the performance of the individual web server, though it is possible to sort by other columns by clicking on the column heading.

Presently our performance collectors are located at New York/New York Internet-2, Italy/Aruba-2, Pennsylvania/INetU-3, Amsterdam/Webair-2, US West/Azure, Singapore/DigitalOcean and Ireland/Amazon. Sites located near one of our collectors may have an advantage over others listed in the table, though this effect is mitigated by using averages collected from multiple points. Sites exclusively hosted in the Far East are at a disadvantage as we do not currently have a performance collector in the region.

Sites using a Content Distribution Network, such as Akamai, have a particular advantage as the response to our request would come from the node closest to each performance collector.

More information can be found in the FAQ.