12.1 sec in total
749 ms
10 sec
1.3 sec
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Visit dl-sound.comWe analyzed Dl-sound.com page load time and found that the first response time was 749 ms and then it took 11.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
dl-sound.com performance score
name
value
score
weighting
Value1.5 s
95/100
10%
Value5.1 s
25/100
25%
Value8.3 s
19/100
10%
Value10 ms
100/100
30%
Value0.08
94/100
15%
Value1.7 s
100/100
10%
749 ms
433 ms
439 ms
446 ms
674 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 98% of them (45 requests) were addressed to the original Dl-sound.com, 2% (1 request) were made to Bdtool.com. The less responsive or slowest element that took the longest time to load (8.3 sec) belongs to the original domain Dl-sound.com.
Page size can be reduced by 447.8 kB (35%)
1.3 MB
848.6 kB
In fact, the total size of Dl-sound.com main page is 1.3 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. 40% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 11.0 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 11.0 kB or 70% of the original size.
Potential reduce by 435.1 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, DL Sound needs image optimization as it can save up to 435.1 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 290 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 1.3 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. Dl-sound.com has all CSS files already compressed.
Number of requests can be reduced by 3 (7%)
42
39
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DL Sound. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.
dl-sound.com
749 ms
css.css
433 ms
font-awesome.min.css
439 ms
en.css
446 ms
jquery-1.8.3.min.js
674 ms
jquery.SuperSlide.2.1.1.js
448 ms
jquery.jslides.css
449 ms
jquery.jslides.js
886 ms
570 ms
logonew.png
227 ms
en.png
625 ms
cn.png
633 ms
search_btn.png
451 ms
2_r.png
681 ms
l_r.png
841 ms
3_r.png
873 ms
G18Blue51.jpg
1327 ms
17fb9cde20cf2f7ac307229d9.jpg
1280 ms
3855.jpg
1532 ms
G200Red-2.jpg
1326 ms
3876.jpg
1713 ms
G300RGB.jpg
1534 ms
t60.png
2624 ms
2.png
3073 ms
2(1).png
1992 ms
03.jpg
2406 ms
a4.jpg
2412 ms
a6.jpg
2599 ms
a8.jpg
2898 ms
side_icon04.png
3051 ms
side_icon05.png
3086 ms
helvetica-condensed.woff
3268 ms
YXBANNER.jpg
3780 ms
newbanner.jpg
7411 ms
banner2.jpg
4530 ms
banner1.jpg
8337 ms
pro_title1.png
3532 ms
pro_title2.png
3755 ms
black.png
4186 ms
index_ad1.jpg
6325 ms
index_ad_line.png
4403 ms
xian.jpg
4601 ms
news_dt.png
4824 ms
footer_bg.jpg
5186 ms
contact_title.jpg
5015 ms
fontawesome-webfont.woff
6343 ms
dl-sound.com 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
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
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
dl-sound.com 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
dl-sound.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
Image elements do not have [alt] attributes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dl-sound.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 Dl-sound.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.
dl-sound.com
Open Graph description is not detected on the main page of DL Sound. 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: