840 ms in total
77 ms
484 ms
279 ms
Click here to check amazing Science Vt content for United States. Otherwise, check out these important facts you probably never knew about science.vt.edu
Virginia Tech College of Science
Visit science.vt.eduWe analyzed Science.vt.edu page load time and found that the first response time was 77 ms and then it took 763 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.
science.vt.edu performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value22.5 s
0/100
25%
Value12.3 s
3/100
10%
Value760 ms
39/100
30%
Value0.213
58/100
15%
Value25.6 s
0/100
10%
77 ms
49 ms
95 ms
35 ms
25 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 91% of them (48 requests) were addressed to the original Science.vt.edu, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (157 ms) belongs to the original domain Science.vt.edu.
Page size can be reduced by 577.3 kB (47%)
1.2 MB
638.2 kB
In fact, the total size of Science.vt.edu main page is 1.2 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. 35% of websites need less resources to load. Images take 659.7 kB which makes up the majority of the site volume.
Potential reduce by 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 18.1 kB or 75% of the original size.
Potential reduce by 183.4 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. Obviously, Science Vt needs image optimization as it can save up to 183.4 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 296.0 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 296.0 kB or 68% of the original size.
Potential reduce by 79.8 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. Science.vt.edu needs all CSS files to be minified and compressed as it can save up to 79.8 kB or 83% of the original size.
Number of requests can be reduced by 29 (59%)
49
20
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Vt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
science.vt.edu
77 ms
jquery-latest.min.js
49 ms
vt_jquery_plugins.js
95 ms
jquery-ui-theme-1.css
35 ms
quicklinks.js
25 ms
vt_util_scripts.js
35 ms
hp4_2.css
26 ms
hp4.js
37 ms
jquery.cycle.all.min.js
63 ms
modifyGlobalTemplate.css
73 ms
modifyGlobalJS.js
74 ms
widget.php
157 ms
vt_mobile_check.js
19 ms
hp4_common.css
23 ms
detectmobilebrowser.js
18 ms
vt_global.css
20 ms
vt_navigation.css
22 ms
vt_default_colors_images.css
26 ms
vt_sp_rc.css
23 ms
featured.css
29 ms
cssreset-min.css
16 ms
vt_cssbase.css
17 ms
vt_snippet_styles.css
17 ms
ga.js
46 ms
brand
22 ms
jsapi
44 ms
bg_sp_stripe.gif
29 ms
bg_sp_columns.png
29 ms
sp_header.jpg
49 ms
go.gif
31 ms
bullet_white_right.gif
29 ms
bg_sp_main_nav.jpg
29 ms
bg_sp_main_nav_ul.jpg
47 ms
bg_sp_nav_tick.gif
48 ms
bg_sp_main_nav_a.jpg
46 ms
L_give-now.png
73 ms
L_social-media-image.png
96 ms
L_sm-cosmag-annual-lnav.jpg
68 ms
L_science-qtrly-V3-No1-image.jpg
67 ms
sp_gateway_default2.jpg
57 ms
bg_sp_h1_gateway.png
58 ms
L_xiao-microscope-627266-header-style-2and4.jpg
92 ms
bg_page_title.gif
70 ms
L_physics-telescope-header-style-2and4.jpg
110 ms
L_omniglode-header-style-2and4.jpg
110 ms
L_isc-cohort1-VT84316-2012455330-header-style-2and4.jpg
114 ms
L_isc-cohort2-header-style-2and4.jpg
113 ms
L_header-style-2and4-NEC-VT90395_20130524007.jpg
145 ms
li_black.gif
108 ms
bg_footer.gif
121 ms
brand
70 ms
__utm.gif
30 ms
vt_sp_print.css
17 ms
science.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
science.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
science.vt.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
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Science.vt.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Science.vt.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.
science.vt.edu
Open Graph description is not detected on the main page of Science 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: