Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

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    SEO

humansubjects.energy.gov

Human Subjects Protection Program Homepage | U.S. DOE Office of Science (SC)

Page Load Speed

643 ms in total

First Response

159 ms

Resources Loaded

371 ms

Page Rendered

113 ms

humansubjects.energy.gov screenshot

About Website

Visit humansubjects.energy.gov now to see the best up-to-date Human Subjects Energy content for United States and also check out these interesting facts you probably never knew about humansubjects.energy.gov

Web site to share information and provide resources that help to continually improve processes and practices in human subjects research both within DOE and the global research community.

Visit humansubjects.energy.gov

Key Findings

We analyzed Humansubjects.energy.gov page load time and found that the first response time was 159 ms and then it took 484 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

humansubjects.energy.gov performance score

0

Network Requests Diagram

humansubjects.energy.gov

159 ms

humsubj.css

101 ms

banner.jpg

193 ms

Color-Seal_Green-Mark_SC_Vertical.png

126 ms

nnsa_logo.png

201 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that all of those requests were addressed to Humansubjects.energy.gov and no external sources were called. The less responsive or slowest element that took the longest time to load (201 ms) belongs to the original domain Humansubjects.energy.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 129.8 kB (61%)

Content Size

212.8 kB

After Optimization

83.0 kB

In fact, the total size of Humansubjects.energy.gov main page is 212.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 191.9 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 6.9 kB

  • Original 9.5 kB
  • After minification 7.0 kB
  • After compression 2.6 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 2.5 kB, which is 26% 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 6.9 kB or 72% of the original size.

Image Optimization

-59%

Potential reduce by 113.6 kB

  • Original 191.9 kB
  • After minification 78.3 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. Obviously, Human Subjects Energy needs image optimization as it can save up to 113.6 kB or 59% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-81%

Potential reduce by 9.3 kB

  • Original 11.4 kB
  • After minification 8.3 kB
  • After compression 2.1 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. Humansubjects.energy.gov needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Human Subjects Energy. According to our analytics all requests are already optimized.

SEO Factors

humansubjects.energy.gov 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 Humansubjects.energy.gov 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 Humansubjects.energy.gov 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 Human Subjects Energy. 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: