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Report Summary

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    Performance

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    Accessibility

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    Best Practices

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    SEO

ct-si.org

CTSI | Clean Technology and Sustainable Industries Organization

Page Load Speed

680 ms in total

First Response

103 ms

Resources Loaded

299 ms

Page Rendered

278 ms

ct-si.org screenshot

About Website

Welcome to ct-si.org homepage info - get ready to check CTSI best content for United States right away, or after learning these important things about ct-si.org

CTSI advances the commercialization and global adoption of clean technologies and sustainable industry practices through a community of industry, academic, and government leaders committed to a safer,...

Visit ct-si.org

Key Findings

We analyzed Ct-si.org page load time and found that the first response time was 103 ms and then it took 577 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

ct-si.org performance score

0

Network Requests Diagram

ct-si.org

103 ms

bootstrap.min.css

40 ms

font-awesome.min.css

20 ms

styles.css

24 ms

CTSI_glyph.svg

24 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 90% of them (18 requests) were addressed to the original Ct-si.org, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (156 ms) belongs to the original domain Ct-si.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 229.2 kB (28%)

Content Size

819.5 kB

After Optimization

590.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ct-si.org main page is 819.5 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. 40% of websites need less resources to load. Images take 497.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 10.2 kB

  • Original 13.5 kB
  • After minification 11.4 kB
  • After compression 3.4 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 2.2 kB, which is 16% 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 10.2 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 1.4 kB

  • Original 497.0 kB
  • After minification 495.6 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. CTSI images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 89.3 kB

  • Original 153.6 kB
  • After minification 153.4 kB
  • After compression 64.3 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 89.3 kB or 58% of the original size.

CSS Optimization

-83%

Potential reduce by 128.3 kB

  • Original 155.3 kB
  • After minification 152.7 kB
  • After compression 27.0 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. Ct-si.org needs all CSS files to be minified and compressed as it can save up to 128.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (16%)

Requests Now

19

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CTSI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ct-si.org

ct-si.org

103 ms

bootstrap.min.css

bootstrap.min.css

40 ms

font-awesome.min.css

font-awesome.min.css

20 ms

styles.css

styles.css

24 ms

CTSI_glyph.svg

CTSI_glyph.svg

24 ms

power_lines_sunset.jpg

power_lines_sunset.jpg

153 ms

globe_west.jpg

globe_west.jpg

148 ms

leaves.jpg

leaves.jpg

85 ms

wind_turbine_blue_sky.jpg

wind_turbine_blue_sky.jpg

53 ms

jquery.min.js

jquery.min.js

52 ms

bootstrap.min.js

bootstrap.min.js

84 ms

ie10-viewport-bug-workaround.js

ie10-viewport-bug-workaround.js

90 ms

DITAC2015.svg

DITAC2015.svg

156 ms

DESstacked.svg

DESstacked.svg

144 ms

TCWstacked.svg

TCWstacked.svg

149 ms

footerbar.png

footerbar.png

105 ms

analytics.js

analytics.js

65 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

38 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

37 ms

collect

collect

13 ms

SEO Factors

ct-si.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 Ct-si.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 Ct-si.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

ct-si.org

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