I ran my webpage through Google PageSpeed Insights and it keeps flagging an issue with render-blocking JavaScript and CSS in the above-the-fold content.
The report indicates that there are 17 blocking scripts and 11 blocking CSS resources on the page.
Despite moving all the JS to load at the bottom of the page, Google still identifies render-blocking JS as a problem.
Any suggestions on how to resolve this issue would be greatly appreciated. Thank you in advance for any assistance.
It is crucial to delve deeper into the study of the Critical Rendering Path.
Key Rule: Load only essential elements on your webpage for a faster user experience. Non-essential items can be loaded once the initial page load is complete.
When JavaScript is being downloaded, it halts DOM generation and prevents other resources from downloading. Placing JS at the bottom may help but can still obstruct rendering during JS download. To address this issue, consider adding the async attribute to your script tag. However, using async may introduce other challenges as well. Learn more about this topic here. Additional information on this subject can be found here.
The same principle applies to CSS, but the advantage is that it does not block DOM generation. Explore further insights on this matter here.
After attempting to implement the suggested changes, I noticed a decrease in website speed rather than an improvement. Therefore, I reverted back to the original settings regarding render-blocking JavaScript and CSS on Google's page insight.
If anyone has insight into why removing the blocking CSS led to a slowdown in website performance, please feel free to share or provide additional information here
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