1 sec in total
42 ms
562 ms
397 ms
Visit chem.vt.edu now to see the best up-to-date Chem Vt content for United States and also check out these interesting facts you probably never knew about chem.vt.edu
Visit chem.vt.eduWe analyzed Chem.vt.edu page load time and found that the first response time was 42 ms and then it took 959 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
chem.vt.edu performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value6.4 s
10/100
25%
Value10.7 s
7/100
10%
Value520 ms
56/100
30%
Value0.228
55/100
15%
Value21.4 s
1/100
10%
42 ms
80 ms
21 ms
28 ms
31 ms
Our browser made a total of 26 requests to load all elements on the main page. We found that 92% of them (24 requests) were addressed to the original Chem.vt.edu, 4% (1 request) were made to Google.com and 4% (1 request) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (171 ms) belongs to the original domain Chem.vt.edu.
Page size can be reduced by 440.9 kB (26%)
1.7 MB
1.3 MB
In fact, the total size of Chem.vt.edu main page is 1.7 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. 55% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 23.6 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 6.7 kB, which is 22% 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 23.6 kB or 79% of the original size.
Potential reduce by 59.2 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 Vt images are well optimized though.
Potential reduce by 350.6 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 350.6 kB or 71% of the original size.
Potential reduce by 7.5 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.vt.edu needs all CSS files to be minified and compressed as it can save up to 7.5 kB or 80% of the original size.
We found no issues to fix!
23
23
The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chem Vt. According to our analytics all requests are already optimized.
chem.vt.edu
42 ms
www.chem.vt.edu
80 ms
styles.css
21 ms
contentslider.css
28 ms
contentslider.js
31 ms
ckeditor.js
88 ms
cse.js
134 ms
bg1.jpg
171 ms
phone.png
109 ms
envelope.png
104 ms
vt_logo.png
107 ms
chem_logo.png
113 ms
spotlight_1.png
137 ms
nav2_research.png
113 ms
nav2_graduate.png
112 ms
nav2_undergrad.png
116 ms
nav2_alumni.png
113 ms
nav2_contact.png
105 ms
news_47a.jpg
109 ms
news_46a.jpg
124 ms
news_44a.jpg
122 ms
news_43a.jpg
110 ms
news_arrow.png
124 ms
footer_arrow.png
124 ms
footer_arrow_top.png
123 ms
cse.js
87 ms
chem.vt.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
chem.vt.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
Missing source maps for large first-party JavaScript
chem.vt.edu SEO score
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
EN
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chem.vt.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.vt.edu main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
chem.vt.edu
Open Graph description is not detected on the main page of Chem Vt. 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: