Tools & Wizards About Us
english.yale.edu screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

english.yale.edu

Welcome | English

Page Load Speed

688 ms in total

First Response

59 ms

Resources Loaded

490 ms

Page Rendered

139 ms

english.yale.edu screenshot

About Website

Welcome to english.yale.edu homepage info - get ready to check English Yale best content for United States right away, or after learning these important things about english.yale.edu

Visit english.yale.edu

Key Findings

We analyzed English.yale.edu page load time and found that the first response time was 59 ms and then it took 629 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

english.yale.edu performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

english.yale.edu

59 ms

css_791YXBaKKm1ORM_7huSKEsIV9tSWq6wmRkERhuXpN6w.css

15 ms

css_VLxkgwvjnx8YybbRuH915Ji-nKqBkjferv2-4eajdYs.css

41 ms

css_j1tBM5qxtkO2Dr51b4a5TJY7PBGweD971MhUNrAjaJs.css

40 ms

css_p7vve0y3OPhxQg-Uxrgm9O5rAiiEwT1eWbk8J7WbgyA.css

44 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 94% of them (49 requests) were addressed to the original English.yale.edu, 4% (2 requests) were made to Ajax.googleapis.com and 2% (1 request) were made to Js-agent.newrelic.com. The less responsive or slowest element that took the longest time to load (125 ms) belongs to the original domain English.yale.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 304.4 kB (33%)

Content Size

923.3 kB

After Optimization

618.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of English.yale.edu main page is 923.3 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 547.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 39.2 kB

  • Original 50.0 kB
  • After minification 45.3 kB
  • After compression 10.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 39.2 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 13.3 kB

  • Original 547.7 kB
  • After minification 534.5 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. English Yale images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 116.7 kB

  • Original 159.2 kB
  • After minification 112.8 kB
  • After compression 42.5 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 116.7 kB or 73% of the original size.

CSS Optimization

-81%

Potential reduce by 135.3 kB

  • Original 166.3 kB
  • After minification 161.2 kB
  • After compression 31.1 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. English.yale.edu needs all CSS files to be minified and compressed as it can save up to 135.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (45%)

Requests Now

38

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of English Yale. 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 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

english.yale.edu

english.yale.edu

59 ms

css_791YXBaKKm1ORM_7huSKEsIV9tSWq6wmRkERhuXpN6w.css

css_791YXBaKKm1ORM_7huSKEsIV9tSWq6wmRkERhuXpN6w.css

15 ms

css_VLxkgwvjnx8YybbRuH915Ji-nKqBkjferv2-4eajdYs.css

css_VLxkgwvjnx8YybbRuH915Ji-nKqBkjferv2-4eajdYs.css

41 ms

css_j1tBM5qxtkO2Dr51b4a5TJY7PBGweD971MhUNrAjaJs.css

css_j1tBM5qxtkO2Dr51b4a5TJY7PBGweD971MhUNrAjaJs.css

40 ms

css_p7vve0y3OPhxQg-Uxrgm9O5rAiiEwT1eWbk8J7WbgyA.css

css_p7vve0y3OPhxQg-Uxrgm9O5rAiiEwT1eWbk8J7WbgyA.css

44 ms

css_QqzzZNtN6j3Tz9z7qgHqMdkwdTZno1VYAuVTkxqShtw.css

css_QqzzZNtN6j3Tz9z7qgHqMdkwdTZno1VYAuVTkxqShtw.css

41 ms

css_Q2nnP4GmlM5iaBW9pD0aOSjTgaqadpKtxpPEVdGm53A.css

css_Q2nnP4GmlM5iaBW9pD0aOSjTgaqadpKtxpPEVdGm53A.css

53 ms

css_injector_1.css

css_injector_1.css

40 ms

css_injector_5.css

css_injector_5.css

61 ms

css_tB7nm7VeeWkuvBPD4Pam08AixdZrhQycVffApcXAVFg.css

css_tB7nm7VeeWkuvBPD4Pam08AixdZrhQycVffApcXAVFg.css

57 ms

css_injector_7.css

css_injector_7.css

59 ms

css_Sx0x1cC9CySn7YKwwEzjZBXdYiMVu1_90p73El_dq-g.css

css_Sx0x1cC9CySn7YKwwEzjZBXdYiMVu1_90p73El_dq-g.css

62 ms

jquery.min.js

jquery.min.js

83 ms

js_IkgOrrVZK1UTp2HktvFi5vo1g7b25Muyr5GoySikuic.js

js_IkgOrrVZK1UTp2HktvFi5vo1g7b25Muyr5GoySikuic.js

59 ms

jquery-ui.min.js

jquery-ui.min.js

105 ms

js_Qjy7qblr27hySYyuxg1IlWMwXeDBaOvtXmTZNZGJ_bc.js

js_Qjy7qblr27hySYyuxg1IlWMwXeDBaOvtXmTZNZGJ_bc.js

79 ms

js_3gVyuNWzY7YTnQgbPR9BwpR7m9yI6xaSO3kjxA_U_JM.js

js_3gVyuNWzY7YTnQgbPR9BwpR7m9yI6xaSO3kjxA_U_JM.js

64 ms

js_pRh-ZCouBR1hLRxL75Jqm8Gep3U1rUS67_ZhyFSTMSo.js

js_pRh-ZCouBR1hLRxL75Jqm8Gep3U1rUS67_ZhyFSTMSo.js

99 ms

js_27pdPyfwijMF8zNohkC433gLSMiwJYnjh5QqHWCkpTo.js

js_27pdPyfwijMF8zNohkC433gLSMiwJYnjh5QqHWCkpTo.js

73 ms

yale-header-default.png

yale-header-default.png

94 ms

spyglass-default.png

spyglass-default.png

14 ms

banner005.jpg

banner005.jpg

32 ms

banner001.jpg

banner001.jpg

27 ms

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28 ms

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31 ms

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29 ms

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32 ms

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39 ms

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37 ms

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38 ms

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banner010.jpg

39 ms

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feed.png

34 ms

smith-haunted_convict.jpg

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42 ms

reed_image_2_0.jpg

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49 ms

wai_chee.jpg

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52 ms

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steptothumb.jpg

49 ms

yale-wordmark-blue-default.png

yale-wordmark-blue-default.png

51 ms

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53 ms

yaledesign-medium-webfont.woff

yaledesign-medium-webfont.woff

118 ms

yaledesign-bold-webfont.woff

yaledesign-bold-webfont.woff

119 ms

yaledessmacap-webfont.woff

yaledessmacap-webfont.woff

88 ms

banner001.jpg

banner001.jpg

62 ms

banner002.jpg

banner002.jpg

116 ms

banner008.jpg

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50 ms

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92 ms

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banner005.jpg

92 ms

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112 ms

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105 ms

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107 ms

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banner014.jpg

125 ms

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banner010.jpg

103 ms

nr-632.min.js

nr-632.min.js

40 ms

Accessibility Review

english.yale.edu accessibility score

96

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

english.yale.edu best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

english.yale.edu SEO score

79

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 English.yale.edu 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 English.yale.edu 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

english.yale.edu

Open Graph description is not detected on the main page of English Yale. 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: