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virtualbiosecuritycenter.org screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

virtualbiosecuritycenter.org

Virtual Biosecurity Center | Your online source for biosecurity news, events, reports and other information.

Page Load Speed

804 ms in total

First Response

62 ms

Resources Loaded

429 ms

Page Rendered

313 ms

virtualbiosecuritycenter.org screenshot

About Website

Welcome to virtualbiosecuritycenter.org homepage info - get ready to check Virtual Biosecurity Center best content right away, or after learning these important things about virtualbiosecuritycenter.org

When a Shigella outbreak at a San Jose, California, seafood restaurant sickened dozens of people last weekend, Yelp reviewers were on the case—right alongside p

Visit virtualbiosecuritycenter.org

Key Findings

We analyzed Virtualbiosecuritycenter.org page load time and found that the first response time was 62 ms and then it took 742 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

virtualbiosecuritycenter.org performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.6 s

70/100

10%

Network Requests Diagram

virtualbiosecuritycenter.org

62 ms

virtualbiosecuritycenter.org

33 ms

screen.css

10 ms

skin.css

13 ms

jquery-ui-1.8.2.custom.css

27 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 89% of them (68 requests) were addressed to the original Virtualbiosecuritycenter.org, 4% (3 requests) were made to I.ytimg.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (151 ms) belongs to the original domain Virtualbiosecuritycenter.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 643.6 kB (54%)

Content Size

1.2 MB

After Optimization

538.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Virtualbiosecuritycenter.org main page is 1.2 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. 65% of websites need less resources to load. Images take 936.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 80.1 kB

  • Original 96.6 kB
  • After minification 85.2 kB
  • After compression 16.6 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 11.5 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 80.1 kB or 83% of the original size.

Image Optimization

-59%

Potential reduce by 557.1 kB

  • Original 936.9 kB
  • After minification 379.8 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, Virtual Biosecurity Center needs image optimization as it can save up to 557.1 kB or 59% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 2.1 kB

  • Original 131.2 kB
  • After minification 131.2 kB
  • After compression 129.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-25%

Potential reduce by 4.3 kB

  • Original 16.8 kB
  • After minification 16.7 kB
  • After compression 12.6 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. Virtualbiosecuritycenter.org needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (33%)

Requests Now

72

After Optimization

48

  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Virtual Biosecurity 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 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

virtualbiosecuritycenter.org

virtualbiosecuritycenter.org

62 ms

virtualbiosecuritycenter.org

virtualbiosecuritycenter.org

33 ms

screen.css

screen.css

10 ms

skin.css

skin.css

13 ms

jquery-ui-1.8.2.custom.css

jquery-ui-1.8.2.custom.css

27 ms

swfobject.js

swfobject.js

27 ms

events.css

events.css

67 ms

styles.css

styles.css

26 ms

pagenavi-css.css

pagenavi-css.css

70 ms

jquery.js

jquery.js

70 ms

jquery-migrate.min.js

jquery-migrate.min.js

70 ms

events.js

events.js

86 ms

jquery-ui.min.js

jquery-ui.min.js

91 ms

moodular.js

moodular.js

66 ms

global.js

global.js

68 ms

element.js

element.js

125 ms

jquery.form.min.js

jquery.form.min.js

84 ms

scripts.js

scripts.js

122 ms

wp-embed.min.js

wp-embed.min.js

122 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

85 ms

0.jpg

0.jpg

31 ms

0.jpg

0.jpg

49 ms

0.jpg

0.jpg

52 ms

vbc_header.png

vbc_header.png

17 ms

icon_twit.gif

icon_twit.gif

19 ms

icon_facebook.gif

icon_facebook.gif

16 ms

icon_rss.gif

icon_rss.gif

18 ms

rightcol.gif

rightcol.gif

23 ms

headshottf-184x200.jpg

headshottf-184x200.jpg

19 ms

press_bioinsecurity_vulnerability_newcover_l-134x200.jpg

press_bioinsecurity_vulnerability_newcover_l-134x200.jpg

19 ms

Screen-shot-2014-07-17-at-1.32.58-PM1-e1405619366724.png

Screen-shot-2014-07-17-at-1.32.58-PM1-e1405619366724.png

20 ms

na_logo.gif

na_logo.gif

21 ms

Featured-Vaccine1.jpg

Featured-Vaccine1.jpg

25 ms

world3.png

world3.png

22 ms

3col.gif

3col.gif

23 ms

share.png

share.png

22 ms

shareit.png

shareit.png

26 ms

email.png

email.png

27 ms

GFBR-logo.gif

GFBR-logo.gif

28 ms

home-stage-bg.png

home-stage-bg.png

29 ms

Screen-shot-2011-10-07-at-10.29.48-AM.png

Screen-shot-2011-10-07-at-10.29.48-AM.png

50 ms

icon_world_transp2.png

icon_world_transp2.png

44 ms

aaas.png

aaas.png

44 ms

ab.png

ab.png

43 ms

abin.png

abin.png

44 ms

afbsa.png

afbsa.png

47 ms

absa.png

absa.png

48 ms

amabios.png

amabios.png

47 ms

anbio.png

anbio.png

46 ms

bio.jpg

bio.jpg

46 ms

bradford.png

bradford.png

52 ms

bas.png

bas.png

51 ms

cbs.png

cbs.png

52 ms

csis.png

csis.png

50 ms

cns.png

cns.png

50 ms

elizabeth.png

elizabeth.png

56 ms

exeter.png

exeter.png

51 ms

frontline.png

frontline.png

54 ms

ga.js

ga.js

50 ms

global_security.png

global_security.png

45 ms

hsp.png

hsp.png

44 ms

icls.png

icls.png

43 ms

landau.png

landau.png

41 ms

national_academies2.png

national_academies2.png

151 ms

nih.jpg

nih.jpg

150 ms

nti.png

nti.png

42 ms

oecd.png

oecd.png

147 ms

princeton.png

princeton.png

39 ms

ristex.png

ristex.png

147 ms

royal-society.png

royal-society.png

146 ms

snl.png

snl.png

145 ms

ttu.png

ttu.png

144 ms

__utm.gif

__utm.gif

15 ms

NeutraText-BoldSCAlt.otf

NeutraText-BoldSCAlt.otf

7 ms

print.css

print.css

15 ms

nr-1071.min.js

nr-1071.min.js

23 ms

Accessibility Review

virtualbiosecuritycenter.org accessibility score

84

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

virtualbiosecuritycenter.org best practices score

50

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

virtualbiosecuritycenter.org SEO score

62

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Virtualbiosecuritycenter.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 Virtualbiosecuritycenter.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

virtualbiosecuritycenter.org

Open Graph description is not detected on the main page of Virtual Biosecurity 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: