CDN Server Locations of WPMU DEV CDN.

I have some questions about the CDN feature in Hummingbird. Last time I activated it we got a lower ranking on speed in google.

My guess is that the CDN is based in the US only? If not, what is the CDN Server Locations?

  • Bottle Post Media S.L.U.
    • Flash Drive

    Hi there, we did some testing with the CDN in place and notice a significant decrease in performance when we enable it.

    The first test (whitout CDN) the dom stats loading after about 5700ms~ and the avrg response time for the server to return css files is 450ms

    The second test (using the CDN) the dom starts loading after 8300ms~ and the avrg response time for the CDN to return the css files is 1.2seconds

  • Bottle Post Media S.L.U.
    • Flash Drive

    I done some more digging and i see it is indeed as i suspected using a US based server both in the network panel of chrome developer tools as in a trace route i have made i see the following server 151.139.244.25

    Below the results of my trace route

    tracert hb.wpmucdn.com

    Tracing route to hb-minify-juc1ugur1qwqqqo4.stackpathdns.com [151.139.244.25]
    over a maximum of 30 hops:

    1 2 ms 4 ms 1 ms 192.168.1.1
    2 216 ms 112 ms 182 ms 192.168.144.1
    3 167 ms 160 ms 121 ms 181.red-80-58-81.staticip.rima-tde.net [80.58.81.181]
    4 102 ms 91 ms 145 ms 129.red-80-58-80.staticip.rima-tde.net [80.58.80.129]
    5 * 135 ms 149 ms 85.red-80-58-96.staticip.rima-tde.net [80.58.96.85]
    6 197 ms 178 ms 200 ms ae0-400-grtmadno2.net.telefonicaglobalsolutions.com [213.140.51.56]
    7 225 ms 229 ms 257 ms 5.53.7.225
    8 158 ms 126 ms 134 ms 213.140.33.253
    9 182 ms 183 ms 148 ms 84.16.14.8
    10 112 ms * 145 ms ix-ae-19-0.tcore1.wv6-madrid.as6453.net [80.231.91.70]
    11 437 ms 404 ms 444 ms if-ae-6-2.tcore1.dvs-bilbao.as6453.net [80.231.91.114]
    12 457 ms 407 ms 513 ms if-ae-14-2.tcore2.sv8-highbridge.as6453.net [80.231.139.65]
    13 449 ms 611 ms 425 ms if-ae-11-2.tcore1.l78-london.as6453.net [80.231.139.42]
    14 485 ms 437 ms 394 ms if-ae-17-2.tcore1.ldn-london.as6453.net [80.231.130.130]
    15 438 ms 435 ms 465 ms if-ae-26-2.tcore2.ldn-london.as6453.net [80.231.62.57]
    16 471 ms 618 ms 398 ms if-ae-32-2.tcore2.nto-new-york.as6453.net [63.243.216.22]
    17 * 404 ms 426 ms if-ae-8-2.tcore1.nto-new-york.as6453.net [63.243.128.69]
    18 458 ms 388 ms 408 ms if-ae-0-2.tcore1.sqn-san-jose.as6453.net [63.243.128.31]
    19 440 ms 399 ms 396 ms if-ae-18-2.tcore2.sv1-santa-clara.as6453.net [63.243.205.131]
    20 361 ms 445 ms 506 ms if-et-5-2.hcore1.kv8-chiba.as6453.net [209.58.86.143]
    21 419 ms 469 ms 424 ms if-ae-21-2.tcore1.tv2-tokyo.as6453.net [120.29.217.66]
    22 485 ms 522 ms 515 ms as6453-1.nrt.as54104.net [180.87.180.14]
    23 432 ms 455 ms 499 ms 103.66.28.82
    24 455 ms 427 ms 376 ms 151.139.244.25

    Trace complete.

  • Anton Vanyukov
    • Developer

    Bottle Post Media S.L.U.,

    We have raised the issue with the CDN provider. I am forwarding their reply below:

    Thank you for reaching out!

    Basically routing it self is not something that we can invert, afterall ISP is the one who has final word on that.

    Most of ISP`s are choosing cheaper routes which results in behavior that you client is experiencing.

    I went ahead and performed 2 traceroutes from Madrid through different ISP`s :

    https://p.catchpoint.com/ui/Entry/PW/I/EB0-Ea8q-Yq-I921-0-jVsEav91cn-AV0AR0-jVsEav91cn-Ea8q

    https://p.catchpoint.com/ui/Entry/PW/I/EB0-Ea8q-Y5-I764-0-jVsEav32IN-AV0AR0-jVsEav32IN-Ea8q

    As you can see those are routed to Paris which is expected.

    You can ask your client to try and check how it looks on different ISP, they should get a lot better results.

    Also often there is some maintenance which can cause bad routes but anyhow its really not something we can influence, so best would be to check with ISP they are using.

    Traceroute for me also consisted of only 5 hops.

    Best regards,

    Anton

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