CRL sites ordered by failures 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 unknown  0:00:00  0.000  0.369 0.006 0.017 0.017 - 1
2 unknown  0:00:00  0.000  0.183 0.006 0.017 0.017 - 0
3 Linux  0:00:00  0.000  0.294 0.006 0.044 0.044 - 0
4 Linux  0:00:00  0.000  0.262 0.006 0.052 0.052 - 0
5 unknown  0:00:00  0.000  0.294 0.006 0.051 0.051 - 0
6 Linux  0:00:00  0.000  0.297 0.007 0.025 0.025 55093 2
7 Linux  0:00:00  0.000  0.298 0.007 0.029 0.029 - 1
8 unknown  0:00:00  0.000  0.290 0.007 0.052 0.053 29543 15
9 unknown  0:00:00  0.000  0.260 0.007 0.051 0.051 32312 3
10 unknown  0:00:00  0.000  0.295 0.007 0.055 0.055 - 0
11 unknown  0:00:00  0.000  0.239 0.007 0.049 0.049 - 1
12 Linux  0:00:00  0.000  0.258 0.007 0.075 0.115 9772 387
13 unknown  0:00:00  0.000  0.292 0.007 0.014 0.023 10232 93
14 unknown  0:00:00  0.000  0.288 0.007 0.074 0.074 31657 4
15 unknown  0:00:00  0.000  0.297 0.007 0.044 0.044 31776 2
16 unknown  0:00:00  0.000  0.296 0.007 0.019 0.019 28789 12
17 Linux  0:00:00  0.000  0.445 0.007 0.073 0.073 43678 2
18 unknown  0:00:00  0.000  0.298 0.007 0.018 0.018 32411 7
19 unknown  0:00:00  0.000  0.300 0.007 0.033 0.033 - 0
20 Linux  0:00:00  0.000  0.296 0.007 0.034 0.034 - 0
21 unknown  0:00:00  0.000  0.294 0.007 0.062 0.062 - 0
22 unknown  0:00:00  0.000  0.302 0.007 0.017 0.018 33389 14
23 Linux  0:00:00  0.000  0.294 0.007 0.020 0.020 - 0
24 Linux  0:00:00  0.000  0.296 0.007 0.018 0.031 7862 101
25 unknown  0:00:00  0.000  0.295 0.007 0.050 0.052 22023 24
26 Linux  0:00:00  0.000  0.295 0.007 0.023 0.023 - 1
27 unknown  0:00:00  0.000  0.293 0.007 0.022 0.022 - 1
28 Linux  0:00:00  0.000  0.303 0.007 0.058 0.058 28765 4
29 unknown  0:00:00  0.000  0.229 0.007 0.051 0.051 - 1
30 unknown  0:00:00  0.000  0.297 0.007 0.017 0.017 - 1
31 unknown  0:00:00  0.000  0.297 0.007 0.039 0.039 - 1
32 unknown  0:00:00  0.000  0.295 0.007 0.015 0.056 16922 707
33 unknown  0:00:00  0.000  0.313 0.007 0.040 0.040 - 1
34 unknown  0:00:00  0.000  0.237 0.007 0.053 0.053 - 1
35 Linux  0:00:00  0.000  0.235 0.007 0.073 0.073 - 1
36 Linux  0:00:00  0.000  0.305 0.007 0.043 0.043 - 0
37 Linux  0:00:00  0.000  0.241 0.007 0.062 0.062 - 1
38 Linux  0:00:00  0.000  0.302 0.007 0.076 0.076 - 1
39 unknown  0:00:00  0.000  0.312 0.007 0.026 0.026 - 1
40 unknown  0:00:00  0.000  0.308 0.007 0.038 0.038 - 0
41 Linux  0:00:00  0.000  0.240 0.007 0.057 0.057 - 1
42 Linux  0:00:00  0.000  0.238 0.007 0.054 0.054 - 1
43 Linux  0:00:00  0.000  0.240 0.007 0.057 0.057 - 1
44 Linux  0:00:00  0.000  0.232 0.007 0.077 0.077 - 1
45 Linux  0:00:00  0.000  0.302 0.007 0.033 0.033 - 1
46 Linux  0:00:00  0.000  0.233 0.007 0.048 0.048 - 1
47 Linux  0:00:00  0.000  0.231 0.007 0.074 0.074 - 1
48 Linux  0:00:00  0.000  0.302 0.007 0.036 0.036 - 1
49 Linux  0:00:00  0.000  0.231 0.007 0.060 0.060 - 1
50 Linux  0:00:00  0.000  0.227 0.007 0.051 0.051 - 1
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Report from 17-Jan-2019 14:30 till 18-Jan-2019 14:27

Generated on 18-Jan-2019 14:35

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, Ireland/Amazon and Zurich/vXtream-2. 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.