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cs.odu.edu screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

cs.odu.edu

Computer Science | Old Dominion University

Page Load Speed

4 sec in total

First Response

28 ms

Resources Loaded

1.9 sec

Page Rendered

2.1 sec

cs.odu.edu screenshot

About Website

Visit cs.odu.edu now to see the best up-to-date Cs Odu content for United States and also check out these interesting facts you probably never knew about cs.odu.edu

The Department of Computer Science (CS) offers programs leading to the Bachelor of Science in Computer Science (BSCS), Master of Science with a major in computer science, and Doctor of Philosophy with...

Visit cs.odu.edu

Key Findings

We analyzed Cs.odu.edu page load time and found that the first response time was 28 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cs.odu.edu performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value35.3 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value3,340 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value35.0 s

0/100

10%

Network Requests Diagram

cs.odu.edu

28 ms

cs.odu.edu

36 ms

compsci

20 ms

compsci

19 ms

computer-science

11 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Cs.odu.edu, 52% (60 requests) were made to Odu.edu and 5% (6 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (699 ms) relates to the external source Tvspix.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 505.7 kB (9%)

Content Size

5.9 MB

After Optimization

5.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cs.odu.edu main page is 5.9 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 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 139.9 kB

  • Original 172.0 kB
  • After minification 140.9 kB
  • After compression 32.2 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 31.2 kB, which is 18% 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 139.9 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 332.8 kB

  • Original 5.0 MB
  • After minification 4.7 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. Cs Odu images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 32.4 kB

  • Original 474.1 kB
  • After minification 473.8 kB
  • After compression 441.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 695 B

  • Original 231.0 kB
  • After minification 231.0 kB
  • After compression 230.3 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. Cs.odu.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 51 (53%)

Requests Now

96

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cs Odu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cs.odu.edu

cs.odu.edu

28 ms

cs.odu.edu

cs.odu.edu

36 ms

compsci

compsci

20 ms

compsci

compsci

19 ms

computer-science

computer-science

11 ms

js

js

136 ms

google_tag.script.js

google_tag.script.js

9 ms

css_8LeHf9dHSsl2rcrn-SmApP4Pm5Ca5APsJU1QDJMIVkI.css

css_8LeHf9dHSsl2rcrn-SmApP4Pm5Ca5APsJU1QDJMIVkI.css

7 ms

all.min.css

all.min.css

195 ms

v4-shims.css

v4-shims.css

193 ms

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css_JgxuUkp1Kz1BWAssvT21uzPXr3yOuqyctYEqfflGEgI.css

40 ms

dragula.min.css

dragula.min.css

257 ms

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40 ms

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38 ms

bootstrap.min.css

bootstrap.min.css

176 ms

gray.min.css

gray.min.css

202 ms

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60 ms

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legacy_css_fixes-85975c7f26eb1fd317ce1b0bfc398a4a.css

40 ms

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92 ms

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92 ms

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css_-Nu6q0l-9c37phHr0XF9vgU9XScMJuWm_fcTD1ynFAg.css

118 ms

0b36ff0ba9.js

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192 ms

dropdown.js

dropdown.js

188 ms

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js_MBkyM1PmovrY75O_WgKloa6QXvk4JOCAHHhJP8RHj5o.js

126 ms

dragula.min.js

dragula.min.js

297 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

184 ms

jquery.gray.min.js

jquery.gray.min.js

252 ms

js_4UUktFBNgJQhLeU8mgww31_IrkFIIXcssTy7uEFsDXs.js

js_4UUktFBNgJQhLeU8mgww31_IrkFIIXcssTy7uEFsDXs.js

126 ms

css2

css2

195 ms

odu-logo.svg

odu-logo.svg

120 ms

oembed

oembed

261 ms

odu-crown.svg

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101 ms

hero-bg%402x.png

hero-bg%402x.png

100 ms

CSheaderimageb.img_.large_.png

CSheaderimageb.img_.large_.png

368 ms

bg-total.png

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116 ms

computer-science-students-4.jpeg

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100 ms

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117 ms

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116 ms

image-CTA.png

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115 ms

student-brand-0182.jpg

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193 ms

group-meeting-in-computer-lab.jpeg

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193 ms

video-promo.png

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245 ms

cs-research.png

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299 ms

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297 ms

computer-science-slider-image.jpg

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298 ms

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296 ms

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306 ms

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305 ms

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309 ms

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309 ms

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309 ms

quotes.png

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371 ms

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374 ms

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371 ms

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468 ms

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371 ms

all.js

all.js

159 ms

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212 ms

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281 ms

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364 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3iu4nAkw.woff

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377 ms

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153 ms

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352 ms

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336 ms

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odu-logo.svg

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336 ms

gtm.js

gtm.js

214 ms

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243 ms

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css_4IlHgbTvgr1p0Kag3B7RZDlDJt1RMbfVTso7VqoGXS4.css

212 ms

js_G1Mr4IG3pKrkZuEp3npx5kfh6c_AiCpjp0BNKFBL_Ew.js

js_G1Mr4IG3pKrkZuEp3npx5kfh6c_AiCpjp0BNKFBL_Ew.js

215 ms

all.js

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157 ms

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90 ms

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156 ms

tv2track.js

tv2track.js

282 ms

adp.min.js

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288 ms

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t.png

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699 ms

up_loader.1.1.0.js

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233 ms

9379.js

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265 ms

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collect

collect

155 ms

www-player.css

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132 ms

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173 ms

base.js

base.js

269 ms

activityi;src=8334240;type=oduli0;cat=unive0;ord=7634002688201;npa=0;auiddc=507826897.1716080430;pscdl=noapi;frm=0;gtm=45fe45f0z872068994za201zb72068994;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.odu.edu%2Fcomputer-science

activityi;src=8334240;type=oduli0;cat=unive0;ord=7634002688201;npa=0;auiddc=507826897.1716080430;pscdl=noapi;frm=0;gtm=45fe45f0z872068994za201zb72068994;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.odu.edu%2Fcomputer-science

441 ms

computer-science;ord=230265219

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82 ms

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303 ms

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embed.js

embed.js

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10 ms

id

id

14 ms

Create

Create

94 ms

Accessibility Review

cs.odu.edu accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

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

Best Practices

cs.odu.edu best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cs.odu.edu SEO score

76

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

High

Image elements do not have [alt] attributes

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 Cs.odu.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 Cs.odu.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

cs.odu.edu

Open Graph description is not detected on the main page of Cs Odu. 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: