27 sec in total
793 ms
25.5 sec
686 ms
Click here to check amazing Dolangeducation content for Vietnam. Otherwise, check out these important facts you probably never knew about dolangeducation.com
Dolang owns over a hundred patents, we research and develop electrical automation, mechatronics, electronics, automotive engineering, automotive electronics, rail transit, hydraulic and pneumatic, int...
Visit dolangeducation.comWe analyzed Dolangeducation.com page load time and found that the first response time was 793 ms and then it took 26.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
dolangeducation.com performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value6.7 s
8/100
25%
Value4.9 s
65/100
10%
Value1,040 ms
26/100
30%
Value0.033
100/100
15%
Value6.5 s
59/100
10%
793 ms
531 ms
125 ms
188 ms
62 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 90% of them (64 requests) were addressed to the original Dolangeducation.com, 3% (2 requests) were made to Z13.cnzz.com and 3% (2 requests) were made to Cnzz.mmstat.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Z13.cnzz.com.
Page size can be reduced by 381.8 kB (15%)
2.6 MB
2.2 MB
In fact, the total size of Dolangeducation.com main page is 2.6 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. 50% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 54.3 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 17.1 kB, which is 28% 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 54.3 kB or 89% of the original size.
Potential reduce by 17.9 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. Dolangeducation images are well optimized though.
Potential reduce by 262.1 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 262.1 kB or 83% of the original size.
Potential reduce by 47.6 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. Dolangeducation.com needs all CSS files to be minified and compressed as it can save up to 47.6 kB or 83% of the original size.
Number of requests can be reduced by 9 (13%)
67
58
The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dolangeducation. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
dolangeducation.com
793 ms
www.dolangeducation.com
531 ms
index.css
125 ms
jquery.js
188 ms
index.js
62 ms
classie.js
43 ms
uisearch.js
62 ms
jquery.SuperSlide.js
85 ms
lunbo2.js
60 ms
qiehuan.js
43 ms
dangqiandonghua.js
41 ms
top-bg.jpg
42 ms
logo.jpg
43 ms
language-bg.jpg
46 ms
language1.jpg
46 ms
language2.jpg
47 ms
language3.jpg
48 ms
language4.jpg
67 ms
search.jpg
68 ms
banner4.jpg
106 ms
banner1.jpg
167 ms
banner3.jpg
228 ms
banner5.jpg
229 ms
banner2.jpg
207 ms
pre.png
68 ms
xiangxia.png
84 ms
ilearn-bg.jpg
146 ms
ilearn-pic1.png
127 ms
ilearn-pic2.png
149 ms
ilearn-pic3.png
187 ms
ilearn-pic4.png
170 ms
ipro-title1.jpg
186 ms
ipro-title2.jpg
192 ms
ipro-pre.png
206 ms
ipronr-bg1.png
207 ms
20160705064017434.jpg
212 ms
20160705063701973.jpg
227 ms
20160706023849408.jpg
228 ms
20160705062834527.jpg
228 ms
20160616094012459.jpg
233 ms
20160615061126865.jpg
247 ms
20160614105352877.jpg
240 ms
20160613053334823.jpg
241 ms
20160628094144467.jpg
241 ms
ipro-next.png
241 ms
inews-title1.jpg
244 ms
inews-title2.jpg
234 ms
20170115121421119.jpg
233 ms
20161226092312892.png
250 ms
ftitle1.png
230 ms
ftitle2.png
230 ms
ftitle3.png
233 ms
stat.php
2086 ms
checkcode.php
336 ms
ftitle4.png
228 ms
sjmt1.png
227 ms
sjmt2.png
220 ms
sjmt3.png
217 ms
sjmt4.png
208 ms
web.png
187 ms
wechat.png
170 ms
skype.jpg
170 ms
next.png
157 ms
time.jpg
162 ms
footer-bg.jpg
148 ms
stat.htm
19794 ms
core.php
1513 ms
9.gif
714 ms
pic.gif
2127 ms
9.gif
690 ms
stat.htm
20253 ms
dolangeducation.com 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
Links do not have a discernible 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.
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.
dolangeducation.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
dolangeducation.com 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
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 Dolangeducation.com 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 Dolangeducation.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.
dolangeducation.com
Open Graph description is not detected on the main page of Dolangeducation. 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: