2.5 sec in total
872 ms
1.4 sec
187 ms
Welcome to ddnguyen.org homepage info - get ready to check Dd Nguyen best content for United States right away, or after learning these important things about ddnguyen.org
Duc Nguyen's Homepage
Visit ddnguyen.orgWe analyzed Ddnguyen.org page load time and found that the first response time was 872 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
ddnguyen.org performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value10.6 s
0/100
25%
Value5.3 s
58/100
10%
Value930 ms
30/100
30%
Value0.019
100/100
15%
Value12.8 s
13/100
10%
872 ms
26 ms
38 ms
83 ms
62 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 80% of them (28 requests) were addressed to the original Ddnguyen.org, 14% (5 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (872 ms) belongs to the original domain Ddnguyen.org.
Page size can be reduced by 434.4 kB (61%)
717.8 kB
283.3 kB
In fact, the total size of Ddnguyen.org main page is 717.8 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. 50% of websites need less resources to load. Images take 221.2 kB which makes up the majority of the site volume.
Potential reduce by 70.2 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 33.4 kB, which is 42% 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 70.2 kB or 89% of the original size.
Potential reduce by 33.7 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, Dd Nguyen needs image optimization as it can save up to 33.7 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 144.2 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 144.2 kB or 69% of the original size.
Potential reduce by 186.4 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. Ddnguyen.org needs all CSS files to be minified and compressed as it can save up to 186.4 kB or 90% of the original size.
Number of requests can be reduced by 14 (50%)
28
14
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dd Nguyen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
ddnguyen.org
872 ms
css
26 ms
css
38 ms
icons.css
83 ms
normalize.css
62 ms
skin-msu.css
174 ms
jquery.min.js
137 ms
parsley.min.js
90 ms
jquery.backstretch.min.js
69 ms
jquery.cycle2.min.js
135 ms
jquery.cycle2.swipe.min.js
125 ms
jquery.tooltipster.min.js
145 ms
jquery.mixitup.min.js
168 ms
jquery.magnific-popup.min.js
222 ms
jquery.placeholder.min.js
220 ms
twitter-fetcher.min.js
219 ms
scripts.js
224 ms
mypic.jpg
319 ms
resume.html
49 ms
research.html
81 ms
publications.html
85 ms
conferences.html
90 ms
HPC.html
128 ms
mth309_001.html
86 ms
mth309_002.html
133 ms
math-5.jpg
192 ms
6q1c0ofG6NKsEhAc2eh-3Z0EAVxt0G0biEntp43Qt6E.ttf
13 ms
v0SdcGFAl2aezM9Vq_aFTQ.ttf
12 ms
DvlFBScY1r-FMtZSYIYoYw.ttf
32 ms
entypo.woff
187 ms
LqowQDslGv4DmUBAfWa2Vw.ttf
31 ms
HkF_qI1x_noxlxhrhMQYEKCWcynf_cDxXwCLxiixG1c.ttf
31 ms
mesh_HY_s4.jpg
121 ms
la_logo.jpg
113 ms
tape.png
78 ms
ddnguyen.org accessibility score
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
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
ddnguyen.org 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
Page has valid source maps
ddnguyen.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ddnguyen.org 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 Ddnguyen.org 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.
ddnguyen.org
Open Graph description is not detected on the main page of Dd Nguyen. 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: