20.9 sec in total
3.7 sec
16.7 sec
441 ms
Welcome to dulichdaiduong.vn homepage info - get ready to check Du Lichdai Ong best content for Vietnam right away, or after learning these important things about dulichdaiduong.vn
Đại lý bán Vé Máy Bay Dulichdaiduong.vn, các thông tin vé máy bay giá rẻ và địa điểm du lịch trong ngoài nước
Visit dulichdaiduong.vnWe analyzed Dulichdaiduong.vn page load time and found that the first response time was 3.7 sec and then it took 17.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. This domain responded with an error, which can significantly jeopardize Dulichdaiduong.vn rating and web reputation
dulichdaiduong.vn performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value21.2 s
0/100
25%
Value13.9 s
1/100
10%
Value9,690 ms
0/100
30%
Value0.015
100/100
15%
Value22.1 s
1/100
10%
3737 ms
6 ms
12 ms
70 ms
46 ms
Our browser made a total of 167 requests to load all elements on the main page. We found that 84% of them (140 requests) were addressed to the original Dulichdaiduong.vn, 2% (3 requests) were made to Opi.yahoo.com and 2% (3 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Dulichdaiduong.vn.
Page size can be reduced by 1.7 MB (38%)
4.4 MB
2.7 MB
In fact, the total size of Dulichdaiduong.vn main page is 4.4 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. 55% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 226.2 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 61.0 kB, which is 24% 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 226.2 kB or 88% of the original size.
Potential reduce by 153.8 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. Du Lichdai Ong images are well optimized though.
Potential reduce by 1.1 MB
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 1.1 MB or 77% of the original size.
Potential reduce by 180.0 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. Dulichdaiduong.vn needs all CSS files to be minified and compressed as it can save up to 180.0 kB or 81% of the original size.
Number of requests can be reduced by 59 (39%)
153
94
The browser has sent 153 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Du Lichdai Ong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
dulichdaiduong.vn
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dulichdaiduong.vn 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
ARIA input fields 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.
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
Links do not have a discernible name
dulichdaiduong.vn 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
Browser errors were logged to the console
dulichdaiduong.vn 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
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
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dulichdaiduong.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Dulichdaiduong.vn 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.
dulichdaiduong.vn
Open Graph description is not detected on the main page of Du Lichdai Ong. 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: