Report Summary

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    Best Practices

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Silicon Rubber | Ronfell Group Silicone Expertise

Page Load Speed

20.2 sec in total

First Response

1.3 sec

Resources Loaded

18.6 sec

Page Rendered

244 ms screenshot

About Website

Click here to check amazing Silicon Rubber content. Otherwise, check out these important facts you probably never knew about

From conception to production Ronfell can turn a mass of Silicone Rubber into anything from silicone gaskets and silicone sheeting to rubber seals and more


Key Findings

We analyzed page load time and found that the first response time was 1.3 sec and then it took 18.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics performance score


Network Requests Diagram

1320 ms


182 ms


263 ms


447 ms


375 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 98% of them (91 requests) were addressed to the original, 1% (1 request) were made to and 1% (1 request) were made to The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (79%)

Content Size

1.6 MB

After Optimization

334.2 kB

In fact, the total size of main page is 1.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 42.6 kB

  • Original 63.5 kB
  • After minification 62.1 kB
  • After compression 20.9 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 42.6 kB or 67% of the original size.

Image Optimization


Potential reduce by 964.0 kB

  • Original 1.2 MB
  • After minification 238.5 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Silicon Rubber needs image optimization as it can save up to 964.0 kB or 80% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization


Potential reduce by 96.8 kB

  • Original 147.6 kB
  • After minification 146.6 kB
  • After compression 50.8 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 96.8 kB or 66% of the original size.

CSS Optimization


Potential reduce by 119.0 kB

  • Original 143.0 kB
  • After minification 113.7 kB
  • After compression 24.0 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. needs all CSS files to be minified and compressed as it can save up to 119.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (67%)

Requests Now


After Optimization


The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Silicon Rubber. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 32 to 1 for CSS and as a result speed up the page load time.

SEO Factors SEO score


Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Silicon Rubber. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: