3.2 sec in total
171 ms
2.2 sec
837 ms
Visit chemistry.asu.edu now to see the best up-to-date Chemistry Asu content for United States and also check out these interesting facts you probably never knew about chemistry.asu.edu
Visit chemistry.asu.eduWe analyzed Chemistry.asu.edu page load time and found that the first response time was 171 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
chemistry.asu.edu performance score
name
value
score
weighting
Value2.4 s
69/100
10%
Value20.8 s
0/100
25%
Value8.5 s
17/100
10%
Value740 ms
40/100
30%
Value0
100/100
15%
Value18.9 s
3/100
10%
171 ms
646 ms
344 ms
99 ms
92 ms
Our browser made a total of 167 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Chemistry.asu.edu, 96% (160 requests) were made to Sms.asu.edu and 1% (2 requests) were made to Asu.edu. The less responsive or slowest element that took the longest time to load (646 ms) relates to the external source Sms.asu.edu.
Page size can be reduced by 892.1 kB (30%)
2.9 MB
2.0 MB
In fact, the total size of Chemistry.asu.edu main page is 2.9 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. 70% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 142.9 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 142.9 kB or 76% of the original size.
Potential reduce by 140.1 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. Chemistry Asu images are well optimized though.
Potential reduce by 173.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 173.1 kB or 64% of the original size.
Potential reduce by 436.0 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.asu.edu needs all CSS files to be minified and compressed as it can save up to 436.0 kB or 81% of the original size.
Number of requests can be reduced by 122 (77%)
159
37
The browser has sent 159 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemistry Asu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 86 to 1 for CSS and as a result speed up the page load time.
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chemistry.asu.edu accessibility score
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
[aria-*] attributes do not have valid values
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
chemistry.asu.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
chemistry.asu.edu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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 Chemistry.asu.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.asu.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.
chemistry.asu.edu
Open Graph description is not detected on the main page of Chemistry Asu. 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: