Access energy-storage.org.

iea-es.org

591 ms

iea-es.org

777 ms

style.min.css

100 ms

style.css

216 ms

style.css

284 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Energy-storage.org, 11% (4 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (777 ms) relates to the external source Iea-es.org.

Content Size

672.3 kB

After Optimization

527.2 kB

In fact, the total size of Energy-storage.org main page is 672.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 348.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 24.5 kB

Original 31.8 kB
After minification 29.8 kB
After compression 7.2 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 24.5 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 17.2 kB

Original 348.0 kB
After minification 330.8 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. Energy Storage images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 102.2 kB

Original 235.2 kB
After minification 230.7 kB
After compression 133.0 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 102.2 kB or 43% of the original size.

CSS Optimization

-2%

Potential reduce by 1.1 kB

Original 57.4 kB
After minification 56.7 kB
After compression 56.3 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. Energy-storage.org has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Energy Storage. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.