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Earth Observatory of Singapore conducts fundamental research on Earthquakes, Volcanic Eruptions, Tsunami & Climate Change in and around Southeast Asia

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earthobservatory.sg

798 ms

prod.earthobservatory.sg

1946 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that 50% of them (1 request) were addressed to the original Earthobservatory.sg, 50% (1 request) were made to Prod.earthobservatory.sg. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Prod.earthobservatory.sg.

Content Size

373.9 kB

After Optimization

342.0 kB

In fact, the total size of Earthobservatory.sg main page is 373.9 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 289.6 kB which makes up the majority of the site volume.

HTML Optimization

-25%

Potential reduce by 76 B

Original 309 B
After minification 308 B
After compression 233 B

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 76 B or 25% of the original size.

Image Optimization

-3%

Potential reduce by 7.4 kB

Original 289.6 kB
After minification 282.2 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. Earth Observatory images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 19.1 kB

Original 44.1 kB
After minification 37.1 kB
After compression 24.9 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 19.1 kB or 43% of the original size.

CSS Optimization

-13%

Potential reduce by 5.2 kB

Original 39.9 kB
After minification 39.9 kB
After compression 34.7 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. Earthobservatory.sg needs all CSS files to be minified and compressed as it can save up to 5.2 kB or 13% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Language and Encoding

Language Detected

Language Claimed

N/A

Encoding

US-ASCII

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Earthobservatory.sg can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Earthobservatory.sg main page’s claimed encoding is us-ascii. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

earthobservatory.sg

Open Graph description is not detected on the main page of Earth Observatory. 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: