9.5 sec in total
244 ms
9 sec
262 ms
Click here to check amazing Chem Indiana content for United States. Otherwise, check out these important facts you probably never knew about chem.indiana.edu
Indiana University Bloomington
Visit chem.indiana.eduWe analyzed Chem.indiana.edu page load time and found that the first response time was 244 ms and then it took 9.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
chem.indiana.edu performance score
name
value
score
weighting
Value11.3 s
0/100
10%
Value27.2 s
0/100
25%
Value13.5 s
2/100
10%
Value70 ms
99/100
30%
Value0.004
100/100
15%
Value25.6 s
0/100
10%
244 ms
51 ms
206 ms
90 ms
110 ms
Our browser made a total of 103 requests to load all elements on the main page. We found that 94% of them (97 requests) were addressed to the original Chem.indiana.edu, 3% (3 requests) were made to Assets.iu.edu and 3% (3 requests) were made to Fonts.iu.edu. The less responsive or slowest element that took the longest time to load (8.4 sec) relates to the external source Assets.iu.edu.
Page size can be reduced by 338.9 kB (11%)
3.2 MB
2.8 MB
In fact, the total size of Chem.indiana.edu main page is 3.2 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. 70% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.
Potential reduce by 34.0 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 13.8 kB, which is 34% 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 34.0 kB or 85% of the original size.
Potential reduce by 158.1 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. Chem Indiana images are well optimized though.
Potential reduce by 60.0 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 60.0 kB or 66% of the original size.
Potential reduce by 86.8 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. Chem.indiana.edu needs all CSS files to be minified and compressed as it can save up to 86.8 kB or 87% of the original size.
Number of requests can be reduced by 9 (9%)
95
86
The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chem Indiana. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for CSS and as a result speed up the page load time.
chem.indiana.edu
244 ms
import.css
51 ms
jquery.js
206 ms
scripts-homepage.js
90 ms
grid12.css
110 ms
reset.css
40 ms
fonts.css
65 ms
global.css
117 ms
sidebar.css
64 ms
styles.css
67 ms
brand.css
8388 ms
search.css
8391 ms
block-iu.png
62 ms
trident-tab.png
56 ms
search-submit.png
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bg.png
58 ms
sample01.jpg
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bullet.gif
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sample02.jpg
68 ms
NewGiveNowbutton.gif
61 ms
energy_sm.jpg
80 ms
bg-content.png
62 ms
bg-more.gif
66 ms
life_sm.jpg
90 ms
analysis_sm.jpg
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synthesis_sm.jpg
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origins_sm.jpg
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catalysis_sm.jpg
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analytical_sm.jpg
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chembio_sm.jpg
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sample03_sm.jpg
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materials_sm.jpg
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organic_sm.jpg
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physical_sm.jpg
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chemistry_sm.jpg
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chemistry2_sm.jpg
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clock_sm.jpg
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path_sm.jpg
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simon_sm.jpg
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tree_sm.jpg
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reu-sm.jpg
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qcb-sm.jpg
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bsb-sm.jpg
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aba_animated_logo.gif
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bg.gif
243 ms
douglas.jpg
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garvin.jpg
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nsf-award.jpg
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dimarchi.jpg
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iu-ecs-1.jpg
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skrabalak.jpg
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dimarchi2.jpg
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novotny.jpg
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williams.jpg
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Cabin-Regular-webfont.woff
344 ms
Cabin-Bold-webfont.woff
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Podkova-Regular-webfont.woff
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Cabin-SemiBold-webfont.woff
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view-more-news-button.gif
337 ms
print.css
25 ms
energy.jpg
31 ms
life.jpg
32 ms
analysis.jpg
58 ms
synthesis.jpg
54 ms
origins.jpg
64 ms
catalysis.jpg
54 ms
analytical.jpg
58 ms
chembio.jpg
64 ms
sample03.jpg
85 ms
materials.jpg
174 ms
organic.jpg
81 ms
physical.jpg
165 ms
chemistry.jpg
98 ms
chemistry2.jpg
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clock.jpg
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path.jpg
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simon.jpg
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tree.jpg
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plus.gif
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minus.gif
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bg-column-li.gif
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arrow.png
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energy_sm_off.jpg
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life_sm_off.jpg
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analysis_sm_off.jpg
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synthesis_sm_off.jpg
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origins_sm_off.jpg
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catalysis_sm_off.jpg
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analytical_sm_off.jpg
261 ms
chembio_sm_off.jpg
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sample03_sm_off.jpg
269 ms
materials_sm_off.jpg
258 ms
organic_sm_off.jpg
261 ms
physical_sm_off.jpg
261 ms
chemistry_sm_off.jpg
285 ms
chemistry2_sm_off.jpg
297 ms
benton-sans-regular.woff
164 ms
benton-sans-cond-bold.woff
185 ms
georgia-pro-italic.woff
183 ms
clock_sm_off.jpg
278 ms
path_sm_off.jpg
271 ms
simon_sm_off.jpg
258 ms
tree_sm_off.jpg
263 ms
chem.indiana.edu accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
chem.indiana.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
chem.indiana.edu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chem.indiana.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 Chem.indiana.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.
chem.indiana.edu
Open Graph description is not detected on the main page of Chem Indiana. 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: