Tools & Wizards About Us
cbi.gwu.edu screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

cbi.gwu.edu

Computational Biology Institute | The George Washington University

Page Load Speed

10.1 sec in total

First Response

3.6 sec

Resources Loaded

6.4 sec

Page Rendered

152 ms

cbi.gwu.edu screenshot

About Website

Click here to check amazing Cbi Gwu content for United States. Otherwise, check out these important facts you probably never knew about cbi.gwu.edu

Bringing together leading faculty in biology, medicine and computing to harness this information, opening new doors of discovery.

Visit cbi.gwu.edu

Key Findings

We analyzed Cbi.gwu.edu page load time and found that the first response time was 3.6 sec and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

cbi.gwu.edu performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.067

97/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

cbi.gwu.edu

3588 ms

css_ThLHjJfm8uowk-CB5dIBLCixqePdTY6bL_vMqky6-wY.css

12 ms

css_j0C_cYR_ewCbE3YoN2cAvCK64HSma8pBkkiiDJEvcBY.css

36 ms

css_PrGjPk2i7HFn3H3nTB6HWFP2XCi_qTo6jXa9Ql90gAU.css

39 ms

css_bKFisJ4ucrRuku135_CPcBY1sL-6-1XnlKvDvxjaYEA.css

37 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 86% of them (42 requests) were addressed to the original Cbi.gwu.edu, 4% (2 requests) were made to S7.addthis.com and 4% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Cbi.gwu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 683.0 kB (54%)

Content Size

1.3 MB

After Optimization

586.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cbi.gwu.edu main page is 1.3 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. 40% of websites need less resources to load. Javascripts take 658.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 77.6 kB

  • Original 104.2 kB
  • After minification 96.2 kB
  • After compression 26.6 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. 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 77.6 kB or 74% of the original size.

Image Optimization

-14%

Potential reduce by 53.4 kB

  • Original 379.2 kB
  • After minification 325.8 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, Cbi Gwu needs image optimization as it can save up to 53.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 449.4 kB

  • Original 658.1 kB
  • After minification 582.3 kB
  • After compression 208.7 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 449.4 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 102.6 kB

  • Original 128.4 kB
  • After minification 124.8 kB
  • After compression 25.8 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. Cbi.gwu.edu needs all CSS files to be minified and compressed as it can save up to 102.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (43%)

Requests Now

46

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cbi Gwu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cbi.gwu.edu

cbi.gwu.edu

3588 ms

css_ThLHjJfm8uowk-CB5dIBLCixqePdTY6bL_vMqky6-wY.css

css_ThLHjJfm8uowk-CB5dIBLCixqePdTY6bL_vMqky6-wY.css

12 ms

css_j0C_cYR_ewCbE3YoN2cAvCK64HSma8pBkkiiDJEvcBY.css

css_j0C_cYR_ewCbE3YoN2cAvCK64HSma8pBkkiiDJEvcBY.css

36 ms

css_PrGjPk2i7HFn3H3nTB6HWFP2XCi_qTo6jXa9Ql90gAU.css

css_PrGjPk2i7HFn3H3nTB6HWFP2XCi_qTo6jXa9Ql90gAU.css

39 ms

css_bKFisJ4ucrRuku135_CPcBY1sL-6-1XnlKvDvxjaYEA.css

css_bKFisJ4ucrRuku135_CPcBY1sL-6-1XnlKvDvxjaYEA.css

37 ms

css_WvcxQswkxTbcy6K2ig32tTMo1xY48JoSG88uuDjXOBI.css

css_WvcxQswkxTbcy6K2ig32tTMo1xY48JoSG88uuDjXOBI.css

1279 ms

js_jpJjaUC0z8JMIyav5oQrYykDRUb64rpaUDpB4Y9aklU.js

js_jpJjaUC0z8JMIyav5oQrYykDRUb64rpaUDpB4Y9aklU.js

2459 ms

js_XuFgHR1X67cDofve4crM47xw750TjafMBoVq4KMQLjo.js

js_XuFgHR1X67cDofve4crM47xw750TjafMBoVq4KMQLjo.js

36 ms

lightbox.js

lightbox.js

40 ms

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js_7fOkNyDC4uPTp05JE7vdaPyOreSc5aCYr5ionGjGoAg.js

39 ms

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js_y7Kuyvwq0zZ6GssMACVum6wUy-3f4Ya3rqVURSeIdds.js

40 ms

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js_C3E3nLb0WyyJAIn6x-ey0EwJ_E0zX5bOO_rMKMR2VTQ.js

43 ms

addthis_widget.js

addthis_widget.js

49 ms

ga.js

ga.js

147 ms

logo.png

logo.png

125 ms

icon-fb.png

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126 ms

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126 ms

search-go.png

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115 ms

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114 ms

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115 ms

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125 ms

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125 ms

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133 ms

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150 ms

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170 ms

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132 ms

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132 ms

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167 ms

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168 ms

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167 ms

header.png.jpg

header.png.jpg

173 ms

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167 ms

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200 ms

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182 ms

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177 ms

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171 ms

300lo.json

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80 ms

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64 ms

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71 ms

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70 ms

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86 ms

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44 ms

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28 ms

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62 ms

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19 ms

ga-audiences

ga-audiences

31 ms

Accessibility Review

cbi.gwu.edu 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

cbi.gwu.edu best practices score

67

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

cbi.gwu.edu SEO score

75

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

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 Cbi.gwu.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 Cbi.gwu.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

cbi.gwu.edu

Open Graph description is not detected on the main page of Cbi Gwu. 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: