Added new article
This commit is contained in:
Rafael González
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@ -15,6 +15,7 @@ image: https://images.unsplash.com/photo-1506818144585-74b29c980d4b?crop=entropy
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<img
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<img
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alt="Optimizing an old Shopify Theme"
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alt="Optimizing an old Shopify Theme"
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class="cover"
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src="https://images.unsplash.com/photo-1506818144585-74b29c980d4b?crop=entropy&cs=tinysrgb&fm=jpg&ixid=MnwzNTMzMzl8MHwxfGFsbHx8fHx8fHx8fDE2NjA3OTI2NjA&ixlib=rb-1.2.1&q=80&w=300&ar=5:2&fit=crop"
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src="https://images.unsplash.com/photo-1506818144585-74b29c980d4b?crop=entropy&cs=tinysrgb&fm=jpg&ixid=MnwzNTMzMzl8MHwxfGFsbHx8fHx8fHx8fDE2NjA3OTI2NjA&ixlib=rb-1.2.1&q=80&w=300&ar=5:2&fit=crop"
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srcset="https://images.unsplash.com/photo-1506818144585-74b29c980d4b?crop=entropy&cs=tinysrgb&fm=jpg&ixid=MnwzNTMzMzl8MHwxfGFsbHx8fHx8fHx8fDE2NjA3OTI2NjA&ixlib=rb-1.2.1&q=80&w=300&ar=5:2&fit=crop 300w,
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srcset="https://images.unsplash.com/photo-1506818144585-74b29c980d4b?crop=entropy&cs=tinysrgb&fm=jpg&ixid=MnwzNTMzMzl8MHwxfGFsbHx8fHx8fHx8fDE2NjA3OTI2NjA&ixlib=rb-1.2.1&q=80&w=300&ar=5:2&fit=crop 300w,
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https://images.unsplash.com/photo-1506818144585-74b29c980d4b?crop=entropy&cs=tinysrgb&fm=jpg&ixid=MnwzNTMzMzl8MHwxfGFsbHx8fHx8fHx8fDE2NjA3OTI2NjA&ixlib=rb-1.2.1&q=80&w=500&ar=5:2&fit=crop 500w,
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https://images.unsplash.com/photo-1506818144585-74b29c980d4b?crop=entropy&cs=tinysrgb&fm=jpg&ixid=MnwzNTMzMzl8MHwxfGFsbHx8fHx8fHx8fDE2NjA3OTI2NjA&ixlib=rb-1.2.1&q=80&w=500&ar=5:2&fit=crop 500w,
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@ -60,7 +61,156 @@ I know there are many ways to aproach the optimization the differents parts of
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the code, but this is the process I follow, hope that it makes sense for the
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the code, but this is the process I follow, hope that it makes sense for the
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mayority of the cases. For this example I will use one of our client's themes
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mayority of the cases. For this example I will use one of our client's themes
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(we have previus authorisation to use this theme as an example), the store is
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(we have previus authorisation to use this theme as an example), the store is
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calles <a href="https://lycklig.com.mx" target="_blank">Lycklig Party Shop</a> and they sell party supplies. They have been in
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calles <a href="https://lycklig.com.mx" target="_blank">Lycklig Party Shop</a>
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Shopify since 2016 and the theme has been the same sinse the start of the store.
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and they sell party supplies. They have been in Shopify since 2016 and the theme
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has been the same sinse the start of the store.
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#### Running the first control tests
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I use two tools to measure the progress that was achieved with the optimization.
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Google Page Speed Insights and Web Page Test. Both tools are great, Google Page
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Speed Insights is required since one of the main goals of optimizing a Shopify
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store is to rank better in Google searches. Web Page Test is a professional tool
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for those looking to optimize in depth their site.
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Webpage Test Report:
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[Report](https://www.webpagetest.org/result/220819_BiDc6R_B5K/).
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PageSpeed Insights Report:
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<div class="image__container">
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<img
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alt="Lycklig Not Optimized Page Speed Insights Report"
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style="aspect-ratio: 968/895;"
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src="https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_300/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png"
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srcset="https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_300/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 300w,
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https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_500/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 500w,
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https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_760/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 760w,
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https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_968/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 968w"
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sizes="(max-width: 310px) 300px,
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(max-width: 510px) 500px,
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(max-width: 768px) 760px,
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(max-width: 1024px) 500px,
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968px"
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/>
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<small>Lycklig Not Optimized Page Speed Insights Report</small>
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</div>
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#### Preconnecting to 3rd party servers and preloading known assets
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#### Preconnecting to 3rd party servers and preloading known assets
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One of the easiest and most effective things to do when optimizing a Shopify
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theme is to make sure that the site has the basic servers preconnected and ready
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to be used by the files and assests that will be downloaded.
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Using the experiments tab on the WebPage test app we found out the next servers
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could be preconnected:
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- fonts.gstatic.com
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- cdn.shopify.com
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- fonts.shopifycdn.com
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As well we found out there were 2 filles that could be preloaded:
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```text
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- https://a.klaviyo.com/media/js/onsite/onsite.js
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- https://ajax.googleapis.com/ajax/libs/jquery/2.2.3/jquery.min.js (Yes, this site still uses JQuery)
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- https://fonts.googleapis.com/css?family=Lora:700
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- https://fonts.googleapis.com/css?family=Open+Sans:400
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```
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We added the next lines to the head of the theme:
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```html
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<link rel="preconnect" href="https://fonts.gstatic.com" />
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<link rel="preconnect" href="https://cdn.shopify.com" />
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<link rel="preconnect" href="https://fonts.shopifycdn.com" />
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<link
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rel="preload"
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href="https://a.klaviyo.com/media/js/onsite/onsite.js"
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as="script"
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/>
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<link
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rel="preload"
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href="https://ajax.googleapis.com/ajax/libs/jquery/2.2.3/jquery.min.js"
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as="script"
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/>
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<link
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rel="preload"
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href="https://fonts.googleapis.com/css?family=Lora:700"
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as="style"
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/>
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<link
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rel="preload"
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href="https://fonts.googleapis.com/css?family=Open+Sans:400"
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as="style"
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/>
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```
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#### Removing unused and slow scripts
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This next step is super easy and can help a lot when optimizing a Shopify theme.
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Normally a merchant will install apps or manually add code for certain
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functionality they needed. If it is an old theme it is super easy to forget you
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installed apps or added code that you are not longer using. In the best scenario
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it will be code that gets downloaded and slows down the site, in the worst
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scenario, it will generate errors.
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By going to the console and the network tab we filter the JS Files and order
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them by total time to load we can see the next result:
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<div class="image__container">
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<img
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alt="Lycklig Not Optimized Page Speed Insights Report"
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style="aspect-ratio: 968/895;"
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src="https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_300/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png"
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srcset="https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_300/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 300w,
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https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_500/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 500w,
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https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_760/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 760w,
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https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_968/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 968w"
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sizes="(max-width: 310px) 300px,
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(max-width: 510px) 500px,
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(max-width: 768px) 760px,
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(max-width: 1024px) 500px,
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968px"
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/>
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<small>Lycklig Not Optimized Page Speed Insights Report</small>
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</div>
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There are 5 super slow scripts:
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```text
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- https://cdn.shopify.com/shopifycloud/shopify/assets/shop_events_listener-65cd0ba3fcd81a1df33f2510ec5bcf8c0e0958653b50e3965ec972dd638ee13f.js
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- https://cdn.shopify.com/s/files/1/1866/3075/t/8/assets/modernizr.min.js?v=21391054748206432451628529599
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- ttps://cdn.shopify.com/shopifycloud/boomerang/shopify-boomerang-1.0.0.min.js
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- https://cdn.shopify.com/s/files/1/1866/3075/t/8/assets/theme.js?v=95155629628367876391628529613
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- https://cdn.shopify.com/s/trekkie.storefront.ebdc6f6e0c97d8f5d6a7dac9bc6ab298fff7cf1b.min.js
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```
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All of themm are basic scripts with the exception of modernizr. Lets go ahead
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and remove modernizr file from the `theam.liquid` file and check that there are
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no errors.
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We got an error in the `theme.js` file. Lets see if we can fix it by removing
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any reference to modernizr.
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<div class="image__container">
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<img
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alt="Lycklig Not Optimized Page Speed Insights Report"
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style="aspect-ratio: 968/895;"
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src="https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_300/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png"
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srcset="https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_300/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 300w,
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https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_500/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 500w,
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https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_760/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 760w,
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https://res.cloudinary.com/acromatico-development/image/upload/c_scale,f_auto,w_968/v1660926662/Rafa%20Blog/lycklig-initial-test_jz8jly.png 968w"
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sizes="(max-width: 310px) 300px,
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(max-width: 510px) 500px,
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(max-width: 768px) 760px,
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(max-width: 1024px) 500px,
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968px"
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/>
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<small>Lycklig Not Optimized Page Speed Insights Report</small>
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</div>
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We found a `Modernizr` instance being referenced in diferent parts of the file.
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We just carefully deleted them and the error was gone. If this had become a
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larger prioblem we woud have gonne back to not removing the modernizr file.
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@ -24,6 +24,10 @@
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@apply list-decimal mb-8 ml-8;
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@apply list-decimal mb-8 ml-8;
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}
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}
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main.blog ul {
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@apply list-disc mb-8 ml-8;
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}
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main.blog li:not(:last-child) {
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main.blog li:not(:last-child) {
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@apply mb-4;
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@apply mb-4;
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}
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}
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@ -36,7 +40,50 @@
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@apply mb-8;
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@apply mb-8;
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}
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}
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main.blog img {
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main.blog img.cover {
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@apply w-full mb-8 aspect-[5/2] object-cover;
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@apply w-full mb-8 aspect-[5/2] object-cover;
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}
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}
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main.blog .image__container {
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@apply w-full md:w-1/2 mx-auto mb-8 object-cover;
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}
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main.blog .image__container img {
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@apply w-full object-cover;
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}
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main.blog .image__container small {
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@apply text-xs;
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}
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main.blog pre {
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color: #f8fafc;
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background-color: var(--tw-prose-pre-bg);
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overflow-x: auto;
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font-weight: 400;
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font-size: .875em;
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line-height: 1.7142857;
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margin-top: 1.4285714285714286em;
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margin-bottom: 2.2857142857142856em;
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border-radius: 0.75rem;
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padding: 1.25rem;
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box-shadow: 0 4px 6px -1px rgb(0 0 0 / 10%), 0 2px 4px -2px rgb(0 0 0 / 10%);
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display: flex;
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}
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main.blog p code {
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background-color: #0d1117;
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color: #c9d1d9;
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border-radius: 0.1rem;
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box-shadow: 0 4px 6px -1px rgb(0 0 0 / 10%), 0 2px 4px -2px rgb(0 0 0 / 10%);
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@apply p-1;
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}
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main.blog pre .language-id {
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@apply hidden;
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}
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main.blog pre .language-id {
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@apply w-full;
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}
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}
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}
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