4.7 sec in total
1 sec
3.6 sec
84 ms
Visit 15s.vn now to see the best up-to-date 15 S content for Vietnam and also check out these interesting facts you probably never knew about 15s.vn
【BĐS】Đăng tin nhà đất nhanh, đơn giản, chi phí thấp mà hiệu quả cao, chỉ với 15 giây ! Kênh bất động sản SỐ 1 tại Việt Nam 15s.vn™
Visit 15s.vnWe analyzed 15s.vn page load time and found that the first response time was 1 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
15s.vn performance score
name
value
score
weighting
Value2.9 s
51/100
10%
Value6.4 s
9/100
25%
Value5.5 s
55/100
10%
Value190 ms
91/100
30%
Value0.179
67/100
15%
Value6.6 s
58/100
10%
1007 ms
1446 ms
528 ms
528 ms
531 ms
Our browser made a total of 16 requests to load all elements on the main page. We found that 94% of them (15 requests) were addressed to the original 15s.vn, 6% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain 15s.vn.
Page size can be reduced by 188.2 kB (71%)
265.6 kB
77.4 kB
In fact, the total size of 15s.vn main page is 265.6 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 152.7 kB which makes up the majority of the site volume.
Potential reduce by 4.4 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 1.3 kB, which is 20% 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 4.4 kB or 67% of the original size.
Potential reduce by 93.0 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 93.0 kB or 61% of the original size.
Potential reduce by 90.9 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. 15s.vn needs all CSS files to be minified and compressed as it can save up to 90.9 kB or 85% of the original size.
Number of requests can be reduced by 13 (87%)
15
2
The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 15 S. 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 4 to 1 for CSS and as a result speed up the page load time.
15s.vn
1007 ms
bootstrap.css
1446 ms
stickytooltip.css
528 ms
commont.css
528 ms
commont.js
531 ms
joomla.javascript.js
531 ms
jquery172min.js
2536 ms
googleanalytics.js
787 ms
bootstrap-modal.js
788 ms
bootstrap-tooltip.js
793 ms
bootstrap-popover.js
791 ms
bootstrap-dropdown.js
1054 ms
stickytooltip.js
1052 ms
jquery.pin.min.js
1054 ms
search.css
1055 ms
ga.js
17 ms
15s.vn 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.
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
15s.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
15s.vn SEO score
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 15s.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 15s.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.
15s.vn
Open Graph description is not detected on the main page of 15 S. 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: