WPMU-generated render blocking resources

Hummingbird recommends we get rid of the following render blocking resources and optimize CSS Delivery of others, all of which are WPMU generated. Please advise:

https://hb.wpmucdn.com/aztecmed.com/a1af086f-a34c-460b-b629-3a049e8e6b35.js
https://hb.wpmucdn.com/aztecmed.com/ff7940be-baed-4346-af44-e1911a8913a1.js
https://hb.wpmucdn.com/aztecmed.com/815802e2-c13e-4f1b-a50c-19ab093bc9b6.js
https://hb.wpmucdn.com/aztecmed.com/b364fada-83e9-4fdf-a3c4-57ec07f0008f.js
https://hb.wpmucdn.com/aztecmed.com/a979ac57-4b43-40ab-92ff-aeb87786e96d.js
https://hb.wpmucdn.com/aztecmed.com/2029a485-a27e-4dd6-b112-609bba91e6b6.js
https://hb.wpmucdn.com/aztecmed.com/82d45fd5-fa78-454f-88d8-1ac7d7f15459.js
https://hb.wpmucdn.com/aztecmed.com/5bb85db8-9e8d-4fb7-a161-53721696e6b9.js
https://hb.wpmucdn.com/aztecmed.com/5ec5c720-734d-4d24-b672-447e861f97c2.js
https://hb.wpmucdn.com/aztecmed.com/dc1461f5-c4bd-48d5-bc0f-36b906479cad.js
https://hb.wpmucdn.com/aztecmed.com/400ca0fa-a3d5-42a6-99d5-8a3a1f67d141.js
https://hb.wpmucdn.com/aztecmed.com/11bb044e-8fa1-4763-96ef-87d3c21c4392.js
https://hb.wpmucdn.com/aztecmed.com/9b09ce90-a47c-4cab-ac3f-72b96635960a.js
https://hb.wpmucdn.com/aztecmed.com/e65faeb4-4ea8-4c69-b868-edce9e0ddcba.js
https://hb.wpmucdn.com/aztecmed.com/8f34f5dd-919d-43cb-b5f7-d7f70802727f.js
https://hb.wpmucdn.com/aztecmed.com/86829749-d960-417f-b26e-095654f151eb.js
https://hb.wpmucdn.com/aztecmed.com/d1cdefc2-9e6e-45e2-ae1f-686a699a8281.js
https://hb.wpmucdn.com/aztecmed.com/6893a403-f678-447c-8054-4ebff7c4b092.js
https://hb.wpmucdn.com/aztecmed.com/87e989d1-720b-4c7d-b9ed-5c48c695a813.js
https://hb.wpmucdn.com/aztecmed.com/3f1e4d47-17bd-4953-b3c1-c22e1553837c.js
https://hb.wpmucdn.com/aztecmed.com/3e057156-0776-47bf-94a1-3b03cec5eaf9.js
https://hb.wpmucdn.com/aztecmed.com/a7443634-7196-45d6-ad7d-ece5dc1720ed.js
https://hb.wpmucdn.com/aztecmed.com/c73e7351-4b05-4817-b5c2-1001db4a748f.js
https://hb.wpmucdn.com/aztecmed.com/e17af9b7-376b-41eb-80b3-5658a382d0ad.js
https://hb.wpmucdn.com/aztecmed.com/3f85e677-a962-42aa-84ef-7c0975ba549d.js
https://hb.wpmucdn.com/aztecmed.com/56bf3d86-346c-402a-a149-47619a843bf0.js
https://hb.wpmucdn.com/aztecmed.com/cea75eee-91bf-4f60-b089-7b0ca8523f21.js
https://hb.wpmucdn.com/aztecmed.com/44434b58-390f-4b00-8989-c421423b8fc1.js
https://hb.wpmucdn.com/aztecmed.com/699d651d-71b2-4b75-b96f-668d96edfd0c.js
https://hb.wpmucdn.com/aztecmed.com/c96d7233-83d3-450e-95e5-90d06d18fcd0.js
https://hb.wpmucdn.com/aztecmed.com/f47efbaa-d3a3-4634-8286-48cc5565fc14.js
https://hb.wpmucdn.com/aztecmed.com/d49f99aa-2363-401f-8bb7-2490717a8c86.js
https://hb.wpmucdn.com/aztecmed.com/7dda3e37-64f7-4416-adec-9564e084fec1.js
https://hb.wpmucdn.com/aztecmed.com/d77efc2a-525e-4a1a-aa26-d19e6bd9d566.js
https://hb.wpmucdn.com/aztecmed.com/35cfd178-63f6-42bd-ae64-f9c4dde0f6fa.js
https://hb.wpmucdn.com/aztecmed.com/3e1013e9-95a8-4f7e-a99c-3bcf3cbf7b50.js
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https://hb.wpmucdn.com/aztecmed.com/4319807b-a3a3-4cdc-bb15-434ad17627b1.js
https://hb.wpmucdn.com/aztecmed.com/d8f8ba99-2cd0-4e21-b83e-aa3a7053fd7f.js
https://hb.wpmucdn.com/aztecmed.com/ed357b8a-735d-408e-8cff-c82eb4e2cc02.js
https://hb.wpmucdn.com/aztecmed.com/1f444c7e-f87c-4f7b-899a-5a8b12027e27.js
https://hb.wpmucdn.com/aztecmed.com/105a8eb6-4798-4f97-b7c7-a350779bf04f.js
https://hb.wpmucdn.com/aztecmed.com/91e53651-071b-4cde-9360-ca2f8d098c3c.js
https://hb.wpmucdn.com/aztecmed.com/d5044d61-4223-41bf-863d-30494277e6ee.js
https://hb.wpmucdn.com/aztecmed.com/1b005973-dc0d-42cd-9ca2-3fc4f56e6ad7.js
https://hb.wpmucdn.com/aztecmed.com/dcb8540b-f98d-4b3f-9be1-66bd0c0cfa54.js
https://hb.wpmucdn.com/aztecmed.com/94a4c3c1-1a66-4f04-a051-a1144f6dfbf0.js
https://hb.wpmucdn.com/aztecmed.com/2138cf51-f4b2-43d8-9511-e4a9f3eb045c.js
https://hb.wpmucdn.com/aztecmed.com/de8a7c75-5af5-40fe-b75f-07fe69aad989.js
https://hb.wpmucdn.com/aztecmed.com/2d3a6cc0-c84e-474d-8959-635d9909a6de.js
https://hb.wpmucdn.com/aztecmed.com/7040200e-779e-49f7-a5c8-a881f6510aca.js
https://hb.wpmucdn.com/aztecmed.com/ad01ab45-7d7d-46d9-a8ea-7e394815e3bb.js
https://hb.wpmucdn.com/aztecmed.com/601717d7-259a-4d6e-a10b-331e798183b9.js
https://hb.wpmucdn.com/aztecmed.com/2686197d-93d4-469f-8ea1-7bd0e227d417.js
https://hb.wpmucdn.com/aztecmed.com/71ab6558-2e54-4d11-8b13-77c50f24e106.js
https://hb.wpmucdn.com/aztecmed.com/f0901363-6e2b-4990-bee8-cc4d360324b8.js
https://hb.wpmucdn.com/aztecmed.com/859dc2b0-a3c3-4da7-87fa-f3463128facc.js
https://hb.wpmucdn.com/aztecmed.com/590a1b8d-24f9-457a-a7a6-9f694e8f4dc7.js
https://hb.wpmucdn.com/aztecmed.com/ba8e9139-9c36-43e3-ab1b-0383b616dab2.js
https://hb.wpmucdn.com/aztecmed.com/cefa43a1-9dab-4880-9f71-b903016e93dd.js
https://hb.wpmucdn.com/aztecmed.com/d18d1aa3-cf17-47b1-960e-6259cba6290f.js
https://hb.wpmucdn.com/aztecmed.com/f8d841f5-d8bd-4229-b81d-975bcc894659.js
https://hb.wpmucdn.com/aztecmed.com/aa8e226d-f01b-4f18-9c02-78d869f7e9c8.js
https://hb.wpmucdn.com/aztecmed.com/e058a6a1-e8fe-4981-8d62-4bb4d9103ccd.js
https://hb.wpmucdn.com/aztecmed.com/96035631-988b-4a05-8212-1a9706fa66fd.js
https://hb.wpmucdn.com/aztecmed.com/1a1450a2-9963-4f91-9703-9f9ed13887f7.js
https://hb.wpmucdn.com/aztecmed.com/224dd157-cf51-41eb-95ac-e1b5e0778b4c.js
https://hb.wpmucdn.com/aztecmed.com/43e6d38a-5bfe-400d-93cc-89a1f31b9e78.js
https://hb.wpmucdn.com/aztecmed.com/cffc43d0-5aea-4c4a-b059-25a98ab10b27.js
https://hb.wpmucdn.com/aztecmed.com/ecaae86f-633a-4347-85bd-9a5fcb29b0db.js
https://hb.wpmucdn.com/aztecmed.com/cce01cba-9408-4003-b0c5-5d2eda78afad.js
https://hb.wpmucdn.com/aztecmed.com/67fd284e-baf6-40ae-8553-9f7750e55173.js
https://hb.wpmucdn.com/aztecmed.com/87d51f47-bf57-4315-b1e7-49379f833d46.js
https://hb.wpmucdn.com/aztecmed.com/f37fddd5-8506-46d1-be27-0d7462cf2fbc.js
https://hb.wpmucdn.com/aztecmed.com/155f5b2a-7c84-4a7c-8893-9a882b37c6de.js
https://hb.wpmucdn.com/aztecmed.com/8839afd7-a5aa-4fb3-96f1-71e820b2004d.js
https://hb.wpmucdn.com/aztecmed.com/8f7af9f2-dcd2-44e7-ab4b-f54496cdfa29.js
https://hb.wpmucdn.com/aztecmed.com/ee9984ac-5085-4a2b-a816-f6ae6fe8968b.js
https://hb.wpmucdn.com/aztecmed.com/0cd2bc39-95bd-4ed4-b113-d70ecd797598.js
https://hb.wpmucdn.com/aztecmed.com/a72b977d-e324-472c-bbb8-a93c12b022f1.js
https://hb.wpmucdn.com/aztecmed.com/ca796351-6029-42fe-a756-88788f3da7e5.js
https://hb.wpmucdn.com/aztecmed.com/842b3ed0-ca66-40ac-b8cb-5fc32568e001.js
https://hb.wpmucdn.com/aztecmed.com/e65916f4-fe93-4f22-b810-b300c5cfd1e3.js
https://hb.wpmucdn.com/aztecmed.com/3c408aca-9cd3-4c1d-8013-9292141a5a24.js
https://hb.wpmucdn.com/aztecmed.com/09b641e4-15d5-4e17-ae5c-e7e0796066c0.js
https://hb.wpmucdn.com/aztecmed.com/ab8c9657-e9a7-4b0d-8859-6088c8c65a84.js
https://hb.wpmucdn.com/aztecmed.com/7c3a3bb7-c3c6-4338-ad0d-53d7439ed86e.js
https://hb.wpmucdn.com/aztecmed.com/4ae8cbdc-4232-4cb8-9481-0081fc1d68a2.js
https://hb.wpmucdn.com/aztecmed.com/422edd35-c34e-462c-8975-34c9047e2fa9.js
https://hb.wpmucdn.com/aztecmed.com/5ab41783-935a-4e96-8975-047627bd3644.js
https://hb.wpmucdn.com/aztecmed.com/d83ec13a-51c6-4d47-bdc4-f325dff16c55.js
https://hb.wpmucdn.com/aztecmed.com/e6db6f0a-8ba1-42b3-924f-b797510afb79.js
https://hb.wpmucdn.com/aztecmed.com/bbe8625c-d24c-4da1-9e13-e7db68378f3a.js
https://hb.wpmucdn.com/aztecmed.com/331b93e4-40d5-4aee-beda-47709af934b7.js
https://hb.wpmucdn.com/aztecmed.com/e7963590-2650-40fa-8dcd-7b22257593f1.js
https://hb.wpmucdn.com/aztecmed.com/6b30ca78-60fa-4775-bd19-ae09ae27d51c.js
https://hb.wpmucdn.com/aztecmed.com/513425df-5279-40a1-9352-c24dedb4fb7a.js
https://hb.wpmucdn.com/aztecmed.com/9aad667a-9ff6-4ee3-9efe-4ad0a7502f17.js
https://hb.wpmucdn.com/aztecmed.com/d508b538-0080-4224-8920-2d98eceac144.js
https://hb.wpmucdn.com/aztecmed.com/6136a321-d1b9-43e7-a212-58d30c334d11.js
https://hb.wpmucdn.com/aztecmed.com/86c5abc5-f79b-46a7-9ea8-5c9379f906b6.js
https://hb.wpmucdn.com/aztecmed.com/f07d7996-09ee-44b6-b668-c85229f3ca10.js
https://hb.wpmucdn.com/aztecmed.com/48c602e2-00d8-440f-9bf6-718187f47442.js
https://hb.wpmucdn.com/aztecmed.com/fd276216-8fb2-4986-92c1-2a3ff4637d04.js
https://img1.wsimg.com/tcc/tcc_l.combined.1.0.6.min.js

Optimize CSS Delivery of the following:

https://hb.wpmucdn.com/aztecmed.com/babe9656-585e-4214-a22f-6c0d901bcb8e.css
https://hb.wpmucdn.com/aztecmed.com/e293b890-3c24-4ca6-b474-5604bbf08e9a.css
https://hb.wpmucdn.com/aztecmed.com/525fc803-6732-4603-95ee-716aed0dfb99.css
https://hb.wpmucdn.com/aztecmed.com/048cd510-8892-458f-b7ce-556f0cbc3168.css
https://hb.wpmucdn.com/aztecmed.com/ffcaf76b-af40-44b1-be98-d627d75be396.css
https://hb.wpmucdn.com/aztecmed.com/e2e00943-9bb0-4966-8ffa-16a64c3f869c.css
https://hb.wpmucdn.com/aztecmed.com/e61c4fd6-8268-411c-9c42-9b94df79b377.css
https://hb.wpmucdn.com/aztecmed.com/072964b1-03e8-41b5-b40c-ffcfdf859464.css
https://hb.wpmucdn.com/aztecmed.com/29c86dad-fe3e-40bb-8fad-6f7675d71752.css
https://hb.wpmucdn.com/aztecmed.com/51d91fdf-bf66-4277-9d53-a17193892cbb.css
https://hb.wpmucdn.com/aztecmed.com/46508f26-a504-495b-ad79-972934f1494c.css
https://hb.wpmucdn.com/aztecmed.com/d3d9e476-506d-4344-acc3-6ed3d3c98796.css

  • Kasia Swiderska

    Hello Smellycat,

    Those files are JS and CSS files from your site and they are server from Hummingbird CDN. This is something that happens when Asset Optimization in Hummingbird is enabled.
    By default, files will be minimized and server from CDN. It help with site optimization because files are smaller.
    For some sites, it will be enough. For other sites, like yours, you will need to dive into Advanced mode of Asset Optimization.

    For CSS there will be an option to move critical files (ones that should load fastest) to make them Inline CSS and for non-critical, there are options to combine and move to the footer.

    For the JS files, you can move non-critical files to the footer and/or defer those files (so they will load after the page).
    There is more information about those options here https://premium.wpmudev.org/docs/wpmu-dev-plugins/hummingbird/#chapter-4 (Minifcation is now Asset Optimization).
    Please note:

    The most important thing when working with Advanced mode and making changes to how your site loads files is that you test things out after every single change.

    It is not recommended to select all your files, click on Bulk Update, and enable all of the options at once. This could have disastrous consequences for your site, and break a lot of things! Please do not do this!

    kind regards,
    Kasia

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