Access exploratorium.com. Exploratorium: The Museum of Science, Art & Human Perception

www.exploratorium.edu

230 ms

zky1mem.js

276 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

144 ms

css_wopObPmPKhp9cY2QbpKp2u7mlNcVFBQTmjG2vrzt164.css

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css_HwKew1yO73eWjGLa9WD9eIuIti-iuKB_U5KzlPZ4y9Y.css

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Our browser made a total of 114 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Exploratorium.com, 14% (16 requests) were made to and 4% (4 requests) were made to Scontent.cdninstagram.com. The less responsive or slowest element that took the longest time to load (660 ms) relates to the external source Exploratorium.edu.

Content Size

3.1 MB

After Optimization

1.4 MB

In fact, the total size of Exploratorium.com main page is 3.1 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. 70% of websites need less resources to load. Javascripts take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 200.7 kB

Original 261.8 kB
After minification 257.5 kB
After compression 61.1 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 200.7 kB or 77% of the original size.

Image Optimization

-9%

Potential reduce by 81.7 kB

Original 931.2 kB
After minification 849.5 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. Exploratorium images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 1.4 MB

Original 1.8 MB
After minification 1.5 MB
After compression 438.1 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 1.4 MB or 76% of the original size.

CSS Optimization

-83%

Potential reduce by 107.7 kB

Original 130.4 kB
After minification 124.1 kB
After compression 22.7 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. Exploratorium.com needs all CSS files to be minified and compressed as it can save up to 107.7 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Exploratorium. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 45 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.