5.4 sec in total
567 ms
4.8 sec
98 ms
Click here to check amazing Deulun content. Otherwise, check out these important facts you probably never knew about deulun.com.tw
Visit deulun.com.twWe analyzed Deulun.com.tw page load time and found that the first response time was 567 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
deulun.com.tw performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value7.4 s
4/100
25%
Value8.3 s
19/100
10%
Value80 ms
99/100
30%
Value0.002
100/100
15%
Value8.0 s
42/100
10%
567 ms
623 ms
1447 ms
438 ms
1807 ms
Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Deulun.com.tw and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Deulun.com.tw.
Page size can be reduced by 159.0 kB (55%)
289.3 kB
130.4 kB
In fact, the total size of Deulun.com.tw main page is 289.3 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. Only 10% of websites need less resources to load. Javascripts take 209.4 kB which makes up the majority of the site volume.
Potential reduce by 2.0 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 2.0 kB or 60% of the original size.
Potential reduce by 182 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. Deulun images are well optimized though.
Potential reduce by 145.9 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 145.9 kB or 70% of the original size.
Potential reduce by 10.8 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. Deulun.com.tw needs all CSS files to be minified and compressed as it can save up to 10.8 kB or 79% of the original size.
Number of requests can be reduced by 6 (32%)
19
13
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Deulun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
567 ms
common.css
623 ms
jquery.min.js
1447 ms
common.js
438 ms
app.js
1807 ms
roundcube_logo.png
414 ms
listheader.gif
420 ms
bg.gif
426 ms
folders.png
413 ms
mail_footer.png
419 ms
taskicons.gif
428 ms
loading.gif
841 ms
pagenav.gif
859 ms
mail_toolbar.png
1309 ms
searchfield.gif
862 ms
messageicons.png
845 ms
reset.gif
868 ms
abook_toolbar.png
1453 ms
groupactions.png
1263 ms
watermark.gif
1288 ms
deulun.com.tw accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Form elements do not have associated labels
Links do not have a discernible name
deulun.com.tw 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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
deulun.com.tw SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Deulun.com.tw can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Deulun.com.tw 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.
deulun.com.tw
Open Graph description is not detected on the main page of Deulun. 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: