Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

cesiumjs.org

Cesium: The Platform for 3D Geospatial

Page Load Speed

1.7 sec in total

First Response

387 ms

Resources Loaded

797 ms

Page Rendered

519 ms

cesiumjs.org screenshot

About Website

Visit cesiumjs.org now to see the best up-to-date Cesium Js content for Australia and also check out these interesting facts you probably never knew about cesiumjs.org

Our mission is to create the leading web-based globe and map for visualizing dynamic data. We strive for the best possible performance, precision, visual quality, ease of use, platform support, and co...

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Key Findings

We analyzed Cesiumjs.org page load time and found that the first response time was 387 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

cesiumjs.org performance score

0

Network Requests Diagram

cesiumjs.org

387 ms

css

78 ms

css

90 ms

font-awesome.min.css

8 ms

bootstrap.min.css

42 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 68% of them (26 requests) were addressed to the original Cesiumjs.org, 11% (4 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (387 ms) belongs to the original domain Cesiumjs.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 325.7 kB (18%)

Content Size

1.8 MB

After Optimization

1.5 MB

In fact, the total size of Cesiumjs.org main page is 1.8 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. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 21.1 kB

  • Original 25.1 kB
  • After minification 14.2 kB
  • After compression 4.1 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. This page needs HTML code to be minified as it can gain 10.9 kB, which is 43% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.1 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 86.8 kB

  • Original 1.5 MB
  • After minification 1.4 MB

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. Cesium Js images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 35.4 kB

  • Original 66.8 kB
  • After minification 65.4 kB
  • After compression 31.4 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 35.4 kB or 53% of the original size.

CSS Optimization

-83%

Potential reduce by 182.5 kB

  • Original 219.0 kB
  • After minification 210.9 kB
  • After compression 36.5 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. Cesiumjs.org needs all CSS files to be minified and compressed as it can save up to 182.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (38%)

Requests Now

29

After Optimization

18

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cesium Js. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

SEO Factors

cesiumjs.org SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cesiumjs.org 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 Cesiumjs.org 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 description is not detected on the main page of Cesium Js. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: