CRL sites ordered by site name 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)
251 Linux  23:48:47  100.000  - - - - - -
252 unknown  0:00:00  0.000  0.368 0.005 0.016 0.016 - 1
253 Linux  0:00:00  0.000  0.413 0.005 0.063 0.068 7623 41
254 F5 BIG-IP  0:33:38  47.982  0.244 0.086 0.174 0.260 106 9
255 Solaris 9/10  23:50:02  100.000  - - - - - -
256 Linux  23:50:01  100.000  - - - - - -
257 Windows Server 2003  23:50:01  100.000  - - - - - -
258 Linux  0:00:00  0.000  0.169 0.004 0.010 0.010 - 0
259 Linux  0:00:00  0.000  0.531 0.009 0.025 0.025 - 1
260 F5 BIG-IP  23:50:01  100.000  - - - - - -
261 F5 BIG-IP  23:50:01  100.000  - - - - - -
262 unknown  0:00:00  1.644  0.774 0.349 0.674 0.674 - 1
263 Linux  0:00:00  0.000  0.274 0.005 0.015 0.015 - 1
264 unknown  0:00:00  0.000  0.275 0.005 0.033 0.034 27202 1
265 F5 BIG-IP  23:50:03  100.000  - - - - - -
266 F5 BIG-IP  0:00:00  0.000  0.683 0.183 0.368 0.368 - 1
267 F5 BIG-IP  23:50:03  100.000  - - - - - -
268 F5 BIG-IP  0:00:00  0.000  0.690 0.183 0.367 0.367 - 0
269 unknown  0:00:00  0.000  0.518 0.219 0.445 0.886 125 55
270 Linux  0:00:00  0.000  0.264 0.005 0.048 0.048 - 1
271 unknown  0:00:00  0.000  0.271 0.005 0.033 0.033 - 1
272 unknown  0:00:00  0.000  0.285 0.005 0.012 0.012 - 1
273 unknown  0:00:00  0.000  0.275 0.005 0.054 0.054 31399 14
274 Linux  0:00:00  0.000  0.264 0.005 0.016 0.024 10593 81
275 unknown  0:00:00  0.000  0.282 0.005 0.011 0.048 19129 694
276 FreeBSD  0:00:00  0.897  0.961 0.299 0.547 0.889 29 10
277 Linux  0:00:00  0.000  0.272 0.005 0.047 0.047 - 1
278 Linux  23:50:10  100.000  - - - - - -
279 Linux  0:00:00  0.000  0.811 0.189 0.378 0.378 - 1
280 Linux  0:00:00  0.000  0.276 0.005 0.032 0.032 - 0
281 Linux  0:00:00  0.000  0.276 0.005 0.024 0.024 - 0
282 unknown  0:00:00  0.000  0.276 0.005 0.052 0.052 - 0
283 Linux  23:50:00  100.000  - - - - - -
284 unknown  23:50:00  100.000  - - - - - -
285 Linux  23:50:00  100.000  - - - - - -
286 Linux  23:50:00  100.000  - - - - - -
287 Linux  23:50:00  100.000  - - - - - -
288 unknown  0:00:00  0.000  0.280 0.005 0.056 0.062 8334 46
289 Linux  0:00:00  0.000  0.276 0.005 0.026 0.026 - 0
290 Linux  0:00:00  0.000  0.269 0.005 0.050 0.050 - 0
291 Linux  0:00:00  0.000  0.275 0.005 0.019 0.019 34923 5
292 Linux  0:00:00  0.000  0.280 0.005 0.012 0.017 8739 50
293 unknown  0:00:00  0.000  0.266 0.005 0.026 0.031 6155 31
294 F5 BIG-IP  23:50:11  100.000  - - - - - -
295 Linux  0:00:00  0.000  0.539 0.004 0.037 0.037 22902 1
296 Linux  0:00:00  0.000  0.430 0.005 0.067 0.067 81712 2
297 unknown  0:00:00  0.000  0.287 0.005 0.053 0.053 - 1
298 Linux  0:00:00  0.000  0.649 0.005 0.186 0.318 907 119
299 F5 BIG-IP  3:31:10  71.237  0.606 0.198 0.397 0.397 - 0
300 Linux  0:00:00  0.298  0.315 0.220 0.442 0.444 809 2
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Report from 14-Sep-2019 19:00 till 15-Sep-2019 18:52

Generated on 15-Sep-2019 19:02

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.