1.5 sec in total
124 ms
1.3 sec
86 ms
Visit duelfer.net now to see the best up-to-date Duelfer content and also check out these interesting facts you probably never knew about duelfer.net
Visit duelfer.netWe analyzed Duelfer.net page load time and found that the first response time was 124 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
duelfer.net performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value4.3 s
40/100
25%
Value18.5 s
0/100
10%
Value4,840 ms
0/100
30%
Value0.06
98/100
15%
Value14.7 s
8/100
10%
124 ms
366 ms
458 ms
309 ms
359 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Duelfer.net and no external sources were called. The less responsive or slowest element that took the longest time to load (760 ms) belongs to the original domain Duelfer.net.
Page size can be reduced by 443.2 kB (77%)
571.9 kB
128.7 kB
In fact, the total size of Duelfer.net main page is 571.9 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 284.7 kB which makes up the majority of the site volume.
Potential reduce by 3.2 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 1.1 kB, which is 26% 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 3.2 kB or 78% of the original size.
Potential reduce by 201.2 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 201.2 kB or 71% of the original size.
Potential reduce by 238.8 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. Duelfer.net needs all CSS files to be minified and compressed as it can save up to 238.8 kB or 84% of the original size.
Number of requests can be reduced by 15 (88%)
17
2
The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duelfer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
login
124 ms
bootstrap.css
366 ms
flat-ui.css
458 ms
style.css
309 ms
login.css
359 ms
font-awesome.css
309 ms
jquery-1.8.3.min.js
760 ms
jquery-ui-1.10.3.custom.min.js
592 ms
jquery.ui.touch-punch.min.js
413 ms
bootstrap.min.js
554 ms
bootstrap-select.js
481 ms
bootstrap-switch.js
503 ms
flatui-checkbox.js
544 ms
flatui-radio.js
555 ms
jquery.tagsinput.js
594 ms
flatui-fileinput.js
635 ms
jquery.placeholder.js
644 ms
application.js
652 ms
lato-regular.woff
234 ms
lato-light.woff
330 ms
lato-bold.woff
279 ms
lato-black.woff
376 ms
flat-ui-icons-regular.woff
312 ms
duelfer.net 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.
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
<frame> or <iframe> elements do not have a title
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
duelfer.net 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
Page has valid source maps
duelfer.net SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duelfer.net 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 Duelfer.net 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.
duelfer.net
Open Graph description is not detected on the main page of Duelfer. 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: