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health2016.globalchange.gov screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

health2016.globalchange.gov

The Impacts of Climate Change on Human Health in the United States: A Scientific Assessment

Page Load Speed

1.5 sec in total

First Response

19 ms

Resources Loaded

549 ms

Page Rendered

930 ms

health2016.globalchange.gov screenshot

About Website

Welcome to health2016.globalchange.gov homepage info - get ready to check Health 2016 Global Change best content for United States right away, or after learning these important things about health2016.globalchange.gov

Climate change threatens human health and well-being in the United States. The U.S. Global Change Research Program (USGCRP) Climate and Health Assessment has been developed to enhance understanding an...

Visit health2016.globalchange.gov

Key Findings

We analyzed Health2016.globalchange.gov page load time and found that the first response time was 19 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

health2016.globalchange.gov performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value30.8 s

0/100

10%

Network Requests Diagram

health2016.globalchange.gov

19 ms

health2016.globalchange.gov

29 ms

css

39 ms

css

54 ms

jquery.min.js%3Fv=1.11.1

16 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 84% of them (70 requests) were addressed to the original Health2016.globalchange.gov, 10% (8 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (298 ms) belongs to the original domain Health2016.globalchange.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (13%)

Content Size

12.2 MB

After Optimization

10.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Health2016.globalchange.gov main page is 12.2 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. Only a small number of websites need less resources to load. Images take 10.8 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 271.0 kB

  • Original 305.3 kB
  • After minification 235.8 kB
  • After compression 34.3 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 69.4 kB, which is 23% 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 271.0 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 472.7 kB

  • Original 10.8 MB
  • After minification 10.4 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. Health 2016 Global Change images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 613.1 kB

  • Original 815.0 kB
  • After minification 738.4 kB
  • After compression 201.9 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 613.1 kB or 75% of the original size.

CSS Optimization

-86%

Potential reduce by 230.7 kB

  • Original 269.5 kB
  • After minification 221.7 kB
  • After compression 38.8 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. Health2016.globalchange.gov needs all CSS files to be minified and compressed as it can save up to 230.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (48%)

Requests Now

42

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Health 2016 Global Change. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

health2016.globalchange.gov

health2016.globalchange.gov

19 ms

health2016.globalchange.gov

health2016.globalchange.gov

29 ms

css

css

39 ms

css

css

54 ms

jquery.min.js%3Fv=1.11.1

jquery.min.js%3Fv=1.11.1

16 ms

jquery-ui.min.js%3Fpr32sc

jquery-ui.min.js%3Fpr32sc

28 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

30 ms

css_AG27h6FDcmdz2eqVqU3FEHc_hoIJsFFyWlAutWqCjLY.css

css_AG27h6FDcmdz2eqVqU3FEHc_hoIJsFFyWlAutWqCjLY.css

29 ms

css_ZOLdKr9p_alaE4JgnQi1eHi-sNmZBei12v4qNDGH6GY.css

css_ZOLdKr9p_alaE4JgnQi1eHi-sNmZBei12v4qNDGH6GY.css

17 ms

css_KEm_vCJM1ySN-lHu_R_VRJDVSndctm0jM6cykJ8XDeM.css

css_KEm_vCJM1ySN-lHu_R_VRJDVSndctm0jM6cykJ8XDeM.css

30 ms

bigfoot-number.css

bigfoot-number.css

26 ms

js

js

252 ms

email-decode.min.js

email-decode.min.js

24 ms

jquery-extend-3.4.0.js%3Fv=1.4.4

jquery-extend-3.4.0.js%3Fv=1.4.4

36 ms

jquery.once.js%3Fv=1.2

jquery.once.js%3Fv=1.2

28 ms

drupal.js%3Fpr32sc

drupal.js%3Fpr32sc

39 ms

bigfoot.js%3Fpr32sc

bigfoot.js%3Fpr32sc

28 ms

googleanalytics.js%3Fpr32sc

googleanalytics.js%3Fpr32sc

35 ms

jquery.qtip.min.js%3Fpr32sc

jquery.qtip.min.js%3Fpr32sc

38 ms

bootstrap.min.js%3Fpr32sc

bootstrap.min.js%3Fpr32sc

34 ms

jquery.matchHeight-min.js%3Fpr32sc

jquery.matchHeight-min.js%3Fpr32sc

38 ms

jquery.lazyload.js%3Fpr32sc

jquery.lazyload.js%3Fpr32sc

38 ms

owl.carousel.js%3Fpr32sc

owl.carousel.js%3Fpr32sc

40 ms

footable.min.js%3Fpr32sc

footable.min.js%3Fpr32sc

39 ms

jquery.waypoints.min.js%3Fpr32sc

jquery.waypoints.min.js%3Fpr32sc

42 ms

ie10-viewport-bug-workaround.js%3Fpr32sc

ie10-viewport-bug-workaround.js%3Fpr32sc

144 ms

picturefill.min.js%3Fpr32sc

picturefill.min.js%3Fpr32sc

144 ms

jquery.blockUI.js%3Fpr32sc

jquery.blockUI.js%3Fpr32sc

42 ms

scripts.js%3Fpr32sc

scripts.js%3Fpr32sc

142 ms

sharelinkappend.js

sharelinkappend.js

245 ms

require.js%3Fobyi9p

require.js%3Fobyi9p

245 ms

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jquery.balancetext.js

142 ms

tsu-social-share.js%3Fpr32sc

tsu-social-share.js%3Fpr32sc

143 ms

analytics.js

analytics.js

167 ms

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152 ms

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about.png

151 ms

info.png

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153 ms

downloads.png

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150 ms

cart.png

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152 ms

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151 ms

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152 ms

home.png

home.png

216 ms

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152 ms

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212 ms

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153 ms

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153 ms

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153 ms

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214 ms

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215 ms

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153 ms

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250 ms

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288 ms

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283 ms

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285 ms

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292 ms

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292 ms

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198 ms

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195 ms

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192 ms

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193 ms

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192 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

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93 ms

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97 ms

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132 ms

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141 ms

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142 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkWVAexQ.ttf

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142 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

204 ms

collect

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42 ms

looker.js

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60 ms

jquery.qtip.js

jquery.qtip.js

58 ms

jquery.min.js

jquery.min.js

13 ms

Accessibility Review

health2016.globalchange.gov accessibility score

95

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

health2016.globalchange.gov best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

health2016.globalchange.gov SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

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 Health2016.globalchange.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 Health2016.globalchange.gov 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

health2016.globalchange.gov

Open Graph description is not detected on the main page of Health 2016 Global Change. 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: