Tools & Wizards About Us
chemistry.depaul.edu screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

chemistry.depaul.edu

Chemistry and Biochemistry | Academics | College of Science and Health | DePaul University, Chicago

Page Load Speed

2.4 sec in total

First Response

164 ms

Resources Loaded

1.8 sec

Page Rendered

417 ms

chemistry.depaul.edu screenshot

About Website

Welcome to chemistry.depaul.edu homepage info - get ready to check Chemistry De Paul best content for United States right away, or after learning these important things about chemistry.depaul.edu

DePaul's Department of Chemistry offers both undergraduate (BS and BA) and graduate (MS) degrees, as well as a combined BS/MS that is possible to complete in five years. It's located in a state-of-the...

Visit chemistry.depaul.edu

Key Findings

We analyzed Chemistry.depaul.edu page load time and found that the first response time was 164 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

chemistry.depaul.edu performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value1,410 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.098

90/100

15%

TTI (Time to Interactive)

Value24.4 s

0/100

10%

Network Requests Diagram

chemistry.depaul.edu

164 ms

default.aspx

944 ms

initstrings.js

67 ms

init.js

130 ms

strings.js

153 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Chemistry.depaul.edu, 89% (42 requests) were made to Csh.depaul.edu and 4% (2 requests) were made to . The less responsive or slowest element that took the longest time to load (944 ms) relates to the external source Csh.depaul.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.6 kB (5%)

Content Size

1.5 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chemistry.depaul.edu main page is 1.5 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 677.7 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 65.3 kB

  • Original 94.1 kB
  • After minification 87.9 kB
  • After compression 28.8 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. 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 65.3 kB or 69% of the original size.

Image Optimization

-1%

Potential reduce by 3.8 kB

  • Original 677.7 kB
  • After minification 673.9 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. Chemistry De Paul images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 8.0 kB

  • Original 310.2 kB
  • After minification 309.6 kB
  • After compression 302.1 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

-0%

Potential reduce by 466 B

  • Original 450.6 kB
  • After minification 450.4 kB
  • After compression 450.1 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. Chemistry.depaul.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (88%)

Requests Now

42

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemistry De Paul. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chemistry.depaul.edu

chemistry.depaul.edu

164 ms

default.aspx

default.aspx

944 ms

initstrings.js

initstrings.js

67 ms

init.js

init.js

130 ms

strings.js

strings.js

153 ms

ie55up.js

ie55up.js

169 ms

resimage.js

resimage.js

123 ms

opengraph.js

opengraph.js

111 ms

pagemeta.js

pagemeta.js

108 ms

ScriptResource.axd

ScriptResource.axd

175 ms

blank.js

blank.js

168 ms

ScriptResource.axd

ScriptResource.axd

172 ms

jquery.min.js

jquery.min.js

187 ms

depaul-standard-lib.min.js

depaul-standard-lib.min.js

173 ms

jquery-accessibleMegaMenu.min.js

jquery-accessibleMegaMenu.min.js

205 ms

jquery.embedly.min.js

jquery.embedly.min.js

205 ms

depaul-responsive.min.js

depaul-responsive.min.js

209 ms

depaul-college-lib.min.js

depaul-college-lib.min.js

208 ms

depaul-smartforms-customise.min.js

depaul-smartforms-customise.min.js

209 ms

depaul-demographics.min.js

depaul-demographics.min.js

208 ms

popper.min.js

popper.min.js

210 ms

cm-editor.min.js

cm-editor.min.js

223 ms

bootstrap.min.js

bootstrap.min.js

213 ms

sweetalert2.all.min.js

sweetalert2.all.min.js

223 ms

depaul-standard.master.min.js

depaul-standard.master.min.js

224 ms

depaul-sitesearch.min.js

depaul-sitesearch.min.js

223 ms

bugneedsfixing.min.css

bugneedsfixing.min.css

227 ms

robotoslab.min.css

robotoslab.min.css

228 ms

fonts.min.css

fonts.min.css

258 ms

fontawesome-all.min.css

fontawesome-all.min.css

236 ms

sourcesanspro.min.css

sourcesanspro.min.css

243 ms

dpu-scrubsblue.min.css

dpu-scrubsblue.min.css

250 ms

megamenu.min.css

megamenu.min.css

244 ms

bootstrap.min.css

bootstrap.min.css

276 ms

dpu.min.css

dpu.min.css

285 ms

sweetalert2.min.css

sweetalert2.min.css

273 ms

dpu-override.css

dpu-override.css

269 ms

css

css

56 ms

dpu-theme-rb.min.css

dpu-theme-rb.min.css

282 ms

WebResource.axd

WebResource.axd

256 ms

gtm.js

gtm.js

292 ms

ugrad-panel-biochem.jpg

ugrad-panel-biochem.jpg

123 ms

grad-panel-biochem.jpg

grad-panel-biochem.jpg

124 ms

kOsHfEopvYPb85lVN8AAAA=

kOsHfEopvYPb85lVN8AAAA=

5 ms

fzfHUd0B

fzfHUd0B

4 ms

fa-brands-400.ttf

fa-brands-400.ttf

52 ms

CSH_dept_chem.jpg

CSH_dept_chem.jpg

64 ms

Accessibility Review

chemistry.depaul.edu accessibility score

88

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-*] attributes do not match their roles

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

chemistry.depaul.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

Missing source maps for large first-party JavaScript

SEO Factors

chemistry.depaul.edu SEO score

86

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

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 Chemistry.depaul.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 Chemistry.depaul.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

chemistry.depaul.edu

Open Graph description is not detected on the main page of Chemistry De Paul. 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: