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chemistry.calpoly.edu screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

chemistry.calpoly.edu

Home - Chemistry & Biochemistry Department - Cal Poly, San Luis Obispo

Page Load Speed

2.6 sec in total

First Response

422 ms

Resources Loaded

2.1 sec

Page Rendered

121 ms

chemistry.calpoly.edu screenshot

About Website

Click here to check amazing Chemistry Cal Poly content for United States. Otherwise, check out these important facts you probably never knew about chemistry.calpoly.edu

Offering bachelor’s degrees in chemistry and biochemistry, the Chemistry Department prepares students to become the scientists, teachers and leaders of tomorrow. Graduates are hired in traditional as ...

Visit chemistry.calpoly.edu

Key Findings

We analyzed Chemistry.calpoly.edu page load time and found that the first response time was 422 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.calpoly.edu performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value460 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.147

77/100

15%

TTI (Time to Interactive)

Value14.1 s

9/100

10%

Network Requests Diagram

chemistry.calpoly.edu

422 ms

system.base.css

68 ms

system.menus.css

135 ms

system.messages.css

203 ms

system.theme.css

219 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 36% of them (29 requests) were addressed to the original Chemistry.calpoly.edu, 40% (32 requests) were made to Fonts.gstatic.com and 16% (13 requests) were made to Content-calpoly-edu.s3.amazonaws.com. The less responsive or slowest element that took the longest time to load (763 ms) relates to the external source Content-calpoly-edu.s3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 362.0 kB (16%)

Content Size

2.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chemistry.calpoly.edu main page is 2.2 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. 50% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 43.6 kB

  • Original 61.7 kB
  • After minification 59.7 kB
  • After compression 18.1 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 43.6 kB or 71% of the original size.

Image Optimization

-2%

Potential reduce by 35.7 kB

  • Original 1.8 MB
  • After minification 1.7 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. Chemistry Cal Poly images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 183.1 kB

  • Original 276.8 kB
  • After minification 249.9 kB
  • After compression 93.7 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 183.1 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 99.6 kB

  • Original 121.6 kB
  • After minification 110.2 kB
  • After compression 22.0 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. Chemistry.calpoly.edu needs all CSS files to be minified and compressed as it can save up to 99.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (52%)

Requests Now

44

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemistry Cal Poly. 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 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chemistry.calpoly.edu

chemistry.calpoly.edu

422 ms

system.base.css

system.base.css

68 ms

system.menus.css

system.menus.css

135 ms

system.messages.css

system.messages.css

203 ms

system.theme.css

system.theme.css

219 ms

aggregator.css

aggregator.css

221 ms

comment.css

comment.css

223 ms

field.css

field.css

226 ms

node.css

node.css

228 ms

search.css

search.css

270 ms

user.css

user.css

293 ms

views.css

views.css

294 ms

ckeditor.css

ckeditor.css

296 ms

ctools.css

ctools.css

297 ms

tableofcontents.css

tableofcontents.css

301 ms

css

css

37 ms

cp_style.min.css

cp_style.min.css

405 ms

font-awesome.min.css

font-awesome.min.css

436 ms

jquery-ui.min.css

jquery-ui.min.css

364 ms

cp_custom.css

cp_custom.css

366 ms

honeypot.css

honeypot.css

371 ms

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652 ms

js_-zpHfuGV_8VVwgRhy2PKeQaVJAtxKrM3J3ALmgmc1PQ.js

js_-zpHfuGV_8VVwgRhy2PKeQaVJAtxKrM3J3ALmgmc1PQ.js

439 ms

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js_Koy9SwiUJmXG6zyo7C_1eqnqg3wjiLSjat9vhI0EoTw.js

662 ms

js

js

76 ms

ping

ping

87 ms

addthis_widget.js

addthis_widget.js

30 ms

gtm.js

gtm.js

91 ms

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we%20support%20black%20lives.jpg

534 ms

search-arrow.png

search-arrow.png

149 ms

cplogo.svg

cplogo.svg

148 ms

left_right_big.png

left_right_big.png

150 ms

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149 ms

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researchPhoto.jpg

602 ms

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20191120-CampusDusk-JoeJ0093.jpg

763 ms

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534 ms

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620 ms

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widget-square-2.jpg

448 ms

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730 ms

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643 ms

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649 ms

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690 ms

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726 ms

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748 ms

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739 ms

ga.js

ga.js

119 ms

small_arrow_out.png

small_arrow_out.png

113 ms

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Accessibility Review

chemistry.calpoly.edu accessibility score

94

Accessibility Issues

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

chemistry.calpoly.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

chemistry.calpoly.edu SEO score

92

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

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 Chemistry.calpoly.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.calpoly.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.calpoly.edu

Open Graph description is not detected on the main page of Chemistry Cal Poly. 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: