Gillie theme is slowing down my site due to admin_ajax loads 10 second delays

admin-ajax.php?action=upfront_load_grid
admin-ajax.php?action=upfront_load_styles

Both processes are taking too much time to load and are slowing down my site, as you can see on the Pingdom Tools screenshot.

  • Predrag Dubajic

    Hi Roland,

    Hope you're doing well.

    I did some tests with Pingdom tool and your server response time is quite low, time to first response was hitting over 5 seconds so this is something that's hugely impacting those AJAX requests.
    I see that you have Hummingbird installed but I was unable to login to your site with support access to check its settings as your site kept redirecting me to login page.

    Can you tell me if you have caching and gzip compression enabled for your site?

    Also, could you try going to Upfront > Experimental panel and try enabling "Cache frozen assets" to further improve load time for these?

    Best regards,
    Predrag

  • Roland

    Hi Predrag,

    Thanks for looking into it, it has been frustrating.
    Now that I have spent about 15 hrs researching, learning and playing, I feel confident I can make the rest of my sites run faster and maybe give others some hope with my results.

    We ran through some tests:

    1. Deactivated all plugins except Defender and HB.
    - Result - no difference (200k home page took 13 seconds)
    2. Changed theme to TwentySeventeen
    - Page load doubled to 400k
    - Result - page loaded in under 2 seconds.
    3. Upfront Experimental adjustments is where I found real relief.
    - Settings:
    -- Aggressive +
    -- Cache frozen assets +
    -- Enable Upfront Compression Response.
    The site ballooned to 1 MB but rendered in 2.9 seconds.

    I've attached two extremes (190K) 38 seconds and (1MB) 2.9 seconds

    I also added a couple of other plugins and adjusted settings on the following:

    Remove Query Strings (edit - Use Hummingbird)
    "Removes all query strings from static resources meaning that proxy servers and beyond can better cache your site content (plus, better SEO scores)."

    Heartbeat Control
    Location: Post Editor
    Frequency: 60

    WP-Optimize (edit - Use Hummingbird)
    Just ran default selections

    Hummingbird
    Went through all the settings I could and noticed new areas I did not know were there, like DB cleanup and Querystring removal on static assets.

    Final result:
    https://gtmetrix.com
    Load: 815KB, 52 Requests, 3.1 seconds

    https://tools.pingdom.com
    Load: 1MB. 48 Requests, 2.82 seconds

    Cheers,
    Roland

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