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Flying Scripts: Delay JavaScript to Improve Site Speed & Performance

By Gijo Varghese

Performance & Optimization / Caching Solutions

Reviewed by Omar Dabbas

Trusted WordPress expert with 20+ years of experience evaluating plugins for the WP ecosystem.

Flying Scripts: Delay JavaScript to Improve Site Speed & Performance Review - In-Depth Analysis

Delay JavaScript execution to enhance site speed and performance. Load scripts only when needed to minimize render-blocking.

Performance Overview

WPS Score

6.89/10

User Rating

5/5 (based on 38+ reviews)

Active Installations

30,000+

Update Frequency

Below Average It is calculated using the weighted average of same category plugins.

Security Score

1 / 10 (Very Low Risk) It is calculated using the weighted average of all versions.

What It Does

Flying Scripts helps improve your website's speed and performance by delaying the execution of JavaScript until user interaction occurs. This approach reduces render-blocking and allows critical JavaScript to load first.

By specifying keywords, you can include certain JavaScripts to be delayed. Additionally, a timeout feature executes JavaScript when there is no user activity, optimizing resource allocation.

Using this plugin can significantly lower render times, improve time to interactive, and reduce the initial payload to browsers by minimizing the number of requests made. This makes for a faster and smoother user experience.

Comparing to Alternatives

Flying Scripts stands out in the JavaScript optimization category with several viable alternatives available that offer similar functionality.

Top alternatives

Strengths

Highly effective at delaying JavaScript to improve site speed.
Simple and straightforward setup process.
Significant improvements in PageSpeed Insights scores reported by users.
Efficient handling of third-party scripts.
Maintains excellent performance without complex configurations.

Weaknesses

Limited advanced customization options compared to some alternatives.
May not cover all optimization needs beyond JavaScript delay.
Relies on user input triggers which might not suit all use cases.
Some users might prefer a more comprehensive optimization suite.

User Sentiment Analysis

With a perfect 5-star rating from 38 reviews, user feedback is overwhelmingly positive, highlighting the plugin's effectiveness and ease of use.

Positive highlights

"This plugin improves metrics with just a few options, performing its function perfectly." — jhonhorac
"Awesome plugin solving third party performance issues." — Jundell Agbo
"Great Plugin. It saved me a lot of time." — Tony Hisir
"Instant results with a simple but brilliant approach to defer until user input." — Tom Bush
"Good and efficient plugin. 5 stars." — steve-8bm

Common complaints

Weaknesses

Limited advanced customization features.
Focuses mainly on JavaScript delay rather than full optimization.
May not suit users needing broader performance enhancements.

Who Should Use This?

Best for

Website owners and developers looking for a simple, effective solution to delay JavaScript loading and improve site speed without complex setup.

Not ideal for

Users seeking a comprehensive optimization plugin with extensive customization or those needing to optimize beyond JavaScript delay might find this plugin limited.

Pricing & Value

Free version includes

The free version offers essential JavaScript delay features that significantly improve site speed and performance.

Pro version

The premium version likely includes advanced features such as more granular control over script delay, priority settings, and additional optimization options, enhancing flexibility and effectiveness.

Final Verdict

Flying Scripts is a highly effective and user-friendly plugin that excels at delaying JavaScript to boost site speed, backed by excellent user ratings and no known security issues. It offers a straightforward solution that delivers noticeable performance improvements with minimal effort.

While it may lack some advanced customization and broader optimization features found in alternatives, its focused approach makes it ideal for users prioritizing simplicity and efficiency. The availability of a pro version adds value for those needing more control.

Other Notable Features

Here are a few other notable features of this free Flying Scripts: Delay JavaScript to Improve Site Speed & Performance plugin.

delay javascript

site speed

performance optimization

FAQ

Any script that is not crucial for rendering the first view or above fold contents. 3rd party scripts like tracking scripts, chat plugins, etc are ideal.