2.7 sec in total
414 ms
2.1 sec
270 ms
Click here to check amazing Dev QS content for India. Otherwise, check out these important facts you probably never knew about dev.qs.com
Visit dev.qs.comWe analyzed Dev.qs.com page load time and found that the first response time was 414 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
dev.qs.com performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value15.6 s
0/100
25%
Value13.3 s
2/100
10%
Value3,010 ms
2/100
30%
Value0.067
97/100
15%
Value21.8 s
1/100
10%
414 ms
104 ms
263 ms
194 ms
199 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 97% of them (36 requests) were addressed to the original Dev.qs.com, 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Dev.qs.com.
Page size can be reduced by 247.6 kB (69%)
357.7 kB
110.1 kB
In fact, the total size of Dev.qs.com main page is 357.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 247.3 kB which makes up the majority of the site volume.
Potential reduce by 26.2 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 6.5 kB, which is 21% 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 26.2 kB or 83% of the original size.
Potential reduce by 128 B
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. Dev QS images are well optimized though.
Potential reduce by 165.2 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 165.2 kB or 67% of the original size.
Potential reduce by 56.2 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. Dev.qs.com needs all CSS files to be minified and compressed as it can save up to 56.2 kB or 73% of the original size.
Number of requests can be reduced by 11 (46%)
24
13
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev QS. 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 4 to 1 for CSS and as a result speed up the page load time.
dev.qs.com
414 ms
jquery.megamenu.css
104 ms
jquery-1.6.min.js
263 ms
slides.min.jquery.js
194 ms
jquery.megamenu.js
199 ms
menu.js
202 ms
css
24 ms
genericons.css
215 ms
style.css
218 ms
jquery.js
458 ms
jquery-migrate.min.js
304 ms
masonry.min.js
314 ms
jquery.masonry.min.js
315 ms
functions.js
316 ms
headerBG.gif
96 ms
logo.gif
105 ms
homearrow.gif
106 ms
navarrow.gif
271 ms
pickpath.gif
290 ms
line_studentparent.gif
135 ms
grid.gif
185 ms
teaser_arrow.gif
201 ms
hp_rankings.jpg
600 ms
hp_fairs.jpg
633 ms
hp_conference.jpg
682 ms
tu-hp.jpg
684 ms
hp_publications.jpg
748 ms
hp_research.jpg
750 ms
hp_solutions1.jpg
895 ms
footerBG.png
726 ms
footerArrows.png
765 ms
footer_shadow.gif
766 ms
topuni.gif
1138 ms
topgrad.gif
1151 ms
topmba.gif
1149 ms
globalwork.gif
1158 ms
years_logo.gif
857 ms
dev.qs.com 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
button, link, and menuitem elements do not have accessible names.
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
dev.qs.com 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
Browser errors were logged to the console
Page has valid source maps
dev.qs.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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 Dev.qs.com 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 Dev.qs.com 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.
dev.qs.com
Open Graph description is not detected on the main page of Dev QS. 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: