Access ion.chem.usu.edu. Chemistry & Biochemistry

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About Website

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The Department of Chemistry and Biology is home to numerous active researchers, educators, and leaders in the field of chemistry. Keep up-to-date with important events, read about our department, and ...

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.418

23/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

ion.chem.usu.edu

221 ms

www.chem.usu.edu

356 ms

chem.usu.edu

238 ms

chem

290 ms

chem

297 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 Ion.chem.usu.edu, 38% (18 requests) were made to Usu.edu and 9% (4 requests) were made to Templateresources.usu.edu. The less responsive or slowest element that took the longest time to load (740 ms) relates to the external source Templateresources.usu.edu.

Content Size

2.7 MB

After Optimization

2.2 MB

In fact, the total size of Ion.chem.usu.edu main page is 2.7 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 42.3 kB

Original 50.4 kB
After minification 36.0 kB
After compression 8.1 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. This page needs HTML code to be minified as it can gain 14.4 kB, which is 29% 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 42.3 kB or 84% of the original size.

Image Optimization

-16%

Potential reduce by 383.3 kB

Original 2.4 MB
After minification 2.1 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. Obviously, Ion Chem USU needs image optimization as it can save up to 383.3 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-32%

Potential reduce by 39.9 kB

Original 124.3 kB
After minification 124.3 kB
After compression 84.4 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 39.9 kB or 32% of the original size.

CSS Optimization

-13%

Potential reduce by 6.1 kB

Original 46.2 kB
After minification 46.2 kB
After compression 40.0 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. Ion.chem.usu.edu needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 13% of the original size.

Requests Now

After Optimization

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ion Chem USU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

ARIA IDs are not unique

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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/).

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 Ion.chem.usu.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 Ion.chem.usu.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

ion.chem.usu.edu

Open Graph data is detected on the main page of Ion Chem USU. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Chemistry & Biochemistry | USU

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)