35.7 sec in total
6.5 sec
28.9 sec
316 ms
Welcome to laserlens.cn homepage info - get ready to check Laser Lens best content right away, or after learning these important things about laserlens.cn
Jin jia cheng electronics Co., Ltd. produce laser heads for any kind of VCD, DVD, games,related parts for philips van and laser heads for sony ps1,ps2,kss series etc.
Visit laserlens.cnWe analyzed Laserlens.cn page load time and found that the first response time was 6.5 sec and then it took 29.2 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. Unfortunately, there were 20 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
laserlens.cn performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value5.7 s
17/100
25%
Value8.6 s
17/100
10%
Value1,510 ms
14/100
30%
Value0.117
85/100
15%
Value5.1 s
75/100
10%
6489 ms
161 ms
455 ms
233 ms
252 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 96% of them (51 requests) were addressed to the original Laserlens.cn, 2% (1 request) were made to Js.tongji.linezing.com and 2% (1 request) were made to Dt.tongji.linezing.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Laserlens.cn.
Page size can be reduced by 346.1 kB (22%)
1.6 MB
1.3 MB
In fact, the total size of Laserlens.cn main page is 1.6 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. 20% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 38.3 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 38.3 kB or 87% of the original size.
Potential reduce by 213.9 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, Laser Lens needs image optimization as it can save up to 213.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 87.3 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 87.3 kB or 73% of the original size.
Potential reduce by 6.6 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. Laserlens.cn needs all CSS files to be minified and compressed as it can save up to 6.6 kB or 76% of the original size.
Number of requests can be reduced by 3 (9%)
32
29
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Laser Lens. 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 JavaScripts and as a result speed up the page load time.
laserlens.cn
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jquery-1.4a2.min.js
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laserlens.cn 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
laserlens.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
laserlens.cn SEO score
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Laserlens.cn 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 Laserlens.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.
laserlens.cn
Open Graph description is not detected on the main page of Laser Lens. 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: