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CDN not working for Internet Explorer (6 posts)

  1. jonmrich
    Member
    Posted 3 years ago #

    This is pretty odd, but when I use FF or Chrome, my images are all delivered via CDN (cloudfront), but when I view my site with IE, the images don't come from the CDN. They are rendered fine, but come from my server, not the CDN. It's not a browser cache issue, as I've cleared it and used another person's computer too.

    Related (maybe), I've had to turn off the CDN entirely because for new posts, the images weren't showing up. Just a box where the image should be that was blank. When you click the box, it would open the correct image in a new window. That wasn't happening before I had the IE issue, so I think they are independent.

    Any idea what might be causing this?

    Site is: http://www.doseofdigital.com

    EDIT: Just found this at the bottom of the source code for my page in IE:

    <!-- Performance optimized by W3 Total Cache. Learn more: http://www.w3-edge.com/wordpress-plugins/

    Minified using disk (user agent is rejected)
    Page Caching using disk (enhanced) (user agent is rejected)
    Database Caching 56/67 queries in 0.089 seconds using disk
    Object Caching 1364/1412 objects using disk
    Content Delivery Network via Amazon Web Services: CloudFront: Amazon Web Services: S3: images.doseofdigital.com (user agent is rejected)

    For FF, it's this:

    <!-- Performance optimized by W3 Total Cache. Learn more: http://www.w3-edge.com/wordpress-plugins/

    Minified using disk
    Page Caching using disk (enhanced)
    Database Caching 35/190 queries in 0.316 seconds using disk
    Object Caching 1411/1689 objects using disk
    Content Delivery Network via Amazon Web Services: CloudFront: Amazon Web Services: S3: images.doseofdigital.com

    Not sure why the "user agent" is rejected, but guessing that's the issue. There are the user agents that I've inputted into W3 under "Rejected User Agents". Which is causing a problem with IE?

    bot
    ia_archive
    slurp
    crawl
    spider
    android
    blackberry9500
    blackberry9530
    cupcake
    dream
    incognito
    iphone
    ipod
    mini
    webOS
    webmate
    2.0 MMP
    240×320
    ASUS
    AU-MIC
    Alcatel
    Amoi
    Audiovox
    AvantGo
    BenQ
    Bird
    BlackBerry
    Blazer
    CDM
    Cellphone
    DDIPOCKET
    Danger
    DoCoMo
    Elaine/3.0
    Ericsson
    EudoraWeb
    Fly
    HP.iPAQ
    Haier
    Huawei
    IEMobile
    J-PHONE
    KDDI
    KONKA
    KWC
    KYOCERA/WX310K
    LG
    LG/U990
    Lenovo
    MIDP-2.0
    MMEF20
    MOT-V
    MobilePhone
    Motorola
    NEWGEN
    NetFront
    Newt
    Nintendo Wii
    Nitro
    Nokia
    Novarra
    O2
    Opera Mini
    Opera.Mobi
    PANTECH
    PDXGW
    PG
    PPC
    PT
    Palm
    Panasonic
    Philips
    Playstation Portable
    ProxiNet
    Proxinet
    Qtek
    SCH
    SEC
    SGH
    SHARP-TQ-GX10
    SIE
    SPH
    Sagem
    Samsung
    Sanyo
    Sendo
    Sharp
    Small
    Smartphone
    SoftBank
    SonyEricsson
    Symbian
    Symbian OS
    SymbianOS
    TS21i-10
    Toshiba
    Treo
    UP.Browser
    UP.Link
    UTS
    Vertu
    WILLCOME
    WinWAP
    Windows CE
    Windows.CE
    Xda
    ZTE
    dopod
    hiptop
    htc
    i-mobile
    nokia
    portalmmm
    vodafone

    Thanks,
    Jonathan

    http://wordpress.org/extend/plugins/w3-total-cache/

  2. jonmrich
    Member
    Posted 3 years ago #

    Update...did a little testing on the images not showing up and found that when I used the WP scale image tools, this issue occurs. When I resize before importing to WP, then the images show up fine.

  3. Frederick Townes
    Member
    Plugin Author

    Posted 3 years ago #

    Remove SIE from your user agent groups and avoid rejecting any user agents on respective caches. As for uploading after resizing, there's currently a bug with this, so you will have to manually export until it's resolved.

  4. mattjurek
    Member
    Posted 3 years ago #

    I am not rejecting anything and I have the same problem on tekgoblin.com in firefox it works fine but not in IE. Please check

  5. jonmrich
    Member
    Posted 3 years ago #

    Frederick,

    Thanks again for the feedback. I'll make this change.

    As for manually exporting, do you mean that I have to resize outside of WP and then embed the images or is there someway to upload the ones resized in WP?

    Thanks,
    JMR

  6. Frederick Townes
    Member
    Plugin Author

    Posted 3 years ago #

    As for manually exporting, do you mean that I have to resize outside of WP and then embed the images or is there someway to upload the ones resized in WP?

    No I mean that when you change a file you need to run the export wizard and probably use the overwrite setting if it's not working properly.

    I am not rejecting anything and I have the same problem on tekgoblin.com in firefox it works fine but not in IE. Please check

    I don't understand what you want me to check. Your site doesn't load in any browser for me.

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