7.5 sec in total
557 ms
6.5 sec
454 ms
Visit lansidun.en.china.cn now to see the best up-to-date Lansidun En China content for China and also check out these interesting facts you probably never knew about lansidun.en.china.cn
Quality Video door phone & Building intercom system on China Suppliers - Guangzhou Lansidun Electronic Co., Ltd..
Visit lansidun.en.china.cnWe analyzed Lansidun.en.china.cn page load time and found that the first response time was 557 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
lansidun.en.china.cn performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value6.4 s
10/100
25%
Value11.3 s
5/100
10%
Value1,120 ms
23/100
30%
Value0
100/100
15%
Value13.5 s
11/100
10%
557 ms
1392 ms
252 ms
837 ms
918 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Lansidun.en.china.cn, 42% (33 requests) were made to Timg.china.cn and 8% (6 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Hm.baidu.com.
Page size can be reduced by 86.8 kB (16%)
559.8 kB
473.0 kB
In fact, the total size of Lansidun.en.china.cn main page is 559.8 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. 55% of websites need less resources to load. Javascripts take 263.6 kB which makes up the majority of the site volume.
Potential reduce by 51.9 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 51.9 kB or 80% of the original size.
Potential reduce by 27.4 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, Lansidun En China needs image optimization as it can save up to 27.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 7.5 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. This website has mostly compressed JavaScripts.
Potential reduce by 77 B
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. Lansidun.en.china.cn has all CSS files already compressed.
Number of requests can be reduced by 51 (68%)
75
24
The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lansidun En China. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
lansidun.en.china.cn
557 ms
lansidun.en.china.cn
1392 ms
aliplayer-min.css
252 ms
common.min.css
837 ms
shop.min.css
918 ms
jquery.mCustomScrollbar.min.css
848 ms
js
72 ms
google_event.min.js
890 ms
adsbygoogle.js
356 ms
config.js
612 ms
count.min.js
618 ms
aliplayer-min.js
361 ms
carousel.js
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jquery.min.js
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jquery.cookie.min.js
844 ms
jquery.lazyload.min.js
831 ms
en.min.js
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jquery.base64.min.js
834 ms
search.min.js
1020 ms
floating_box.min.js
1024 ms
jquery.mCustomScrollbar.min.js
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jquery.validation.min.js
1020 ms
product.min.js
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source-request.min.js
1029 ms
share.min.js
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quick-inquiry.min.js
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conversion_async.js
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120x27.png
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shop-icon.png
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icon-group.png.webp
545 ms
default_logo.jpg
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circle-loading.svg
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product-icon.png
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analytics.js
844 ms
tracking.js
1012 ms
hm.js
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jquery.mousewheel.min.js
838 ms
ajaxapi.php
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floating_pic.png
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qs_click_protection.js
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rx_lidar.js
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icon.png
108 ms
hm.gif
653 ms
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cookie_push_onload.html
32 ms
dpixel
598 ms
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css
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4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf
64 ms
4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrzjJ5llpyw.ttf
65 ms
sodar2.js
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lansidun.en.china.cn 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-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
lansidun.en.china.cn 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
Page has valid source maps
lansidun.en.china.cn SEO score
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
EN
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lansidun.en.china.cn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Lansidun.en.china.cn 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.
lansidun.en.china.cn
Open Graph description is not detected on the main page of Lansidun En China. 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: