Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

live.belfercenter.org

The Belfer Center for Science and International Affairs

Page Load Speed

5.9 sec in total

First Response

383 ms

Resources Loaded

5.2 sec

Page Rendered

376 ms

live.belfercenter.org screenshot

About Website

Welcome to live.belfercenter.org homepage info - get ready to check Live Belfer Center best content for United States right away, or after learning these important things about live.belfercenter.org

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Key Findings

We analyzed Live.belfercenter.org page load time and found that the first response time was 383 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

live.belfercenter.org performance score

0

Network Requests Diagram

live.belfercenter.org

383 ms

style.css

190 ms

main.js

80 ms

jquery-1.7.1.min.js

297 ms

brand

16 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 67% of them (55 requests) were addressed to the original Live.belfercenter.org, 11% (9 requests) were made to Belfercenter.ksg.harvard.edu and 10% (8 requests) were made to Belfercenter.org. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Live.belfercenter.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 221.7 kB (20%)

Content Size

1.1 MB

After Optimization

915.0 kB

In fact, the total size of Live.belfercenter.org main page is 1.1 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. 20% of websites need less resources to load. Images take 911.5 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 22.6 kB

  • Original 31.3 kB
  • After minification 27.6 kB
  • After compression 8.7 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 3.7 kB, which is 12% 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 22.6 kB or 72% of the original size.

Image Optimization

-8%

Potential reduce by 69.1 kB

  • Original 911.5 kB
  • After minification 842.4 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. Live Belfer Center images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 98.1 kB

  • Original 156.3 kB
  • After minification 155.6 kB
  • After compression 58.2 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 98.1 kB or 63% of the original size.

CSS Optimization

-85%

Potential reduce by 31.9 kB

  • Original 37.6 kB
  • After minification 29.5 kB
  • After compression 5.7 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. Live.belfercenter.org needs all CSS files to be minified and compressed as it can save up to 31.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (23%)

Requests Now

71

After Optimization

55

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Live Belfer Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

live.belfercenter.org SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Live.belfercenter.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 Live.belfercenter.org main page’s claimed encoding is iso-8859-1. 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

Open Graph description is not detected on the main page of Live Belfer Center. 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: