Tools & Wizards About Us
teachepidemiology.org screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

teachepidemiology.org

Teach Epidemiology Professional Development Workshops

Page Load Speed

413 ms in total

First Response

84 ms

Resources Loaded

253 ms

Page Rendered

76 ms

teachepidemiology.org screenshot

About Website

Welcome to teachepidemiology.org homepage info - get ready to check Teach Epidemiology best content right away, or after learning these important things about teachepidemiology.org

Information about the Young Epidemiology Scholars (YES) competition, a program designed to encourage students and teachers to take an interest in epidemiology and public health

Visit teachepidemiology.org

Key Findings

We analyzed Teachepidemiology.org page load time and found that the first response time was 84 ms and then it took 329 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

teachepidemiology.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

teachepidemiology.org

84 ms

te.css

14 ms

banner1.jpg

27 ms

banner2.jpg

36 ms

banner3.jpg

38 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that all of those requests were addressed to Teachepidemiology.org and no external sources were called. The less responsive or slowest element that took the longest time to load (97 ms) belongs to the original domain Teachepidemiology.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.6 kB (1%)

Content Size

926.5 kB

After Optimization

912.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Teachepidemiology.org main page is 926.5 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. 50% of websites need less resources to load. Images take 910.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 9.2 kB

  • Original 11.0 kB
  • After minification 4.5 kB
  • After compression 1.8 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 6.6 kB, which is 60% 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 9.2 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 910.0 kB
  • After minification 910.0 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. Teach Epidemiology images are well optimized though.

CSS Optimization

-81%

Potential reduce by 4.4 kB

  • Original 5.4 kB
  • After minification 4.1 kB
  • After compression 1.0 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. Teachepidemiology.org needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

49

After Optimization

49

  • Images
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teach Epidemiology. According to our analytics all requests are already optimized.

Network Requests Diagram

teachepidemiology.org

teachepidemiology.org

84 ms

te.css

te.css

14 ms

banner1.jpg

banner1.jpg

27 ms

banner2.jpg

banner2.jpg

36 ms

banner3.jpg

banner3.jpg

38 ms

banner4.jpg

banner4.jpg

39 ms

banner5.jpg

banner5.jpg

37 ms

banner6.jpg

banner6.jpg

37 ms

banner7.jpg

banner7.jpg

39 ms

banner8.jpg

banner8.jpg

48 ms

banner9.jpg

banner9.jpg

49 ms

banner10.jpg

banner10.jpg

51 ms

banner11.jpg

banner11.jpg

50 ms

banner12.jpg

banner12.jpg

51 ms

banner13.jpg

banner13.jpg

53 ms

banner14.jpg

banner14.jpg

70 ms

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banner15.jpg

60 ms

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banner16.jpg

61 ms

banner17.jpg

banner17.jpg

62 ms

banner18.jpg

banner18.jpg

62 ms

banner19.jpg

banner19.jpg

62 ms

banner20.jpg

banner20.jpg

71 ms

banner21.jpg

banner21.jpg

73 ms

banner22.jpg

banner22.jpg

75 ms

banner23.jpg

banner23.jpg

74 ms

banner24.jpg

banner24.jpg

75 ms

banner25.jpg

banner25.jpg

81 ms

banner26.jpg

banner26.jpg

82 ms

banner27.jpg

banner27.jpg

85 ms

banner28.jpg

banner28.jpg

86 ms

banner29.jpg

banner29.jpg

86 ms

banner30.jpg

banner30.jpg

87 ms

banner31.jpg

banner31.jpg

92 ms

banner32.jpg

banner32.jpg

95 ms

banner33.jpg

banner33.jpg

97 ms

banner34.jpg

banner34.jpg

97 ms

banner35.jpg

banner35.jpg

97 ms

banner36.jpg

banner36.jpg

97 ms

banner37.jpg

banner37.jpg

83 ms

banner38.jpg

banner38.jpg

76 ms

banner39.jpg

banner39.jpg

78 ms

banner40.jpg

banner40.jpg

78 ms

banner41.jpg

banner41.jpg

78 ms

banner42.jpg

banner42.jpg

78 ms

banner43.jpg

banner43.jpg

88 ms

banner44.jpg

banner44.jpg

76 ms

banner45.jpg

banner45.jpg

77 ms

banner46.jpg

banner46.jpg

77 ms

banner47.jpg

banner47.jpg

75 ms

RWJFLogo.jpg

RWJFLogo.jpg

76 ms

Accessibility Review

teachepidemiology.org accessibility score

79

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

teachepidemiology.org best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

teachepidemiology.org SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Teachepidemiology.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Teachepidemiology.org main page’s claimed encoding is . 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

teachepidemiology.org

Open Graph description is not detected on the main page of Teach Epidemiology. 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: