34 sec in total
5.2 sec
28.6 sec
238 ms
Welcome to gjshd.com homepage info - get ready to check Gjshd best content right away, or after learning these important things about gjshd.com
完美体育官网:www.gjshd.com,前身是深圳完美体育科技股份,科创板上市公司(股票代码:688007),是一家拥有原创技术、核心专利、核心器件研发制造能力的全球领先激光光学科技企业,于2007年发明了ALPD激光显示技术,致力于激光显示技术和产品的研究创新,满足人们在高速通讯及人工智能时代对信息显示新的要求。
Visit gjshd.comWe analyzed Gjshd.com page load time and found that the first response time was 5.2 sec and then it took 28.8 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 38 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
gjshd.com performance score
name
value
score
weighting
Value4.0 s
22/100
10%
Value4.2 s
45/100
25%
Value4.0 s
80/100
10%
Value600 ms
50/100
30%
Value0.082
94/100
15%
Value6.5 s
59/100
10%
5226 ms
718 ms
719 ms
672 ms
716 ms
Our browser made a total of 98 requests to load all elements on the main page. We found that 52% of them (51 requests) were addressed to the original Gjshd.com, 47% (46 requests) were made to Gjshd.com.img.800cdn.com and 1% (1 request) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Gjshd.com.img.800cdn.com.
Page size can be reduced by 121.8 kB (43%)
285.2 kB
163.3 kB
In fact, the total size of Gjshd.com main page is 285.2 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. 15% of websites need less resources to load. Images take 221.6 kB which makes up the majority of the site volume.
Potential reduce by 30.7 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 10.3 kB, which is 29% 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 30.7 kB or 85% of the original size.
Potential reduce by 70.1 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, Gjshd needs image optimization as it can save up to 70.1 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 15.6 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 15.6 kB or 75% of the original size.
Potential reduce by 5.4 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. Gjshd.com needs all CSS files to be minified and compressed as it can save up to 5.4 kB or 80% of the original size.
We found no issues to fix!
13
13
The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gjshd. According to our analytics all requests are already optimized.
gjshd.com
5226 ms
base.css
718 ms
css.css
719 ms
MSClass.js
672 ms
swfobject.js
716 ms
top_bj.jpg
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logo.jpg
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phone.jpg
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top_bj.jpg
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logo.jpg
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daohang_bj.jpg
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search_text.jpg
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phone.jpg
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search.jpg
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news_tupbiao.jpg
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youqlj.jpg
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sina.jpg
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productsbj.jpg
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468 ms
liuyanban.jpg
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button_11.gif
459 ms
gjshd.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
gjshd.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
gjshd.com 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
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N/A
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N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gjshd.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Gjshd.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.
gjshd.com
Open Graph description is not detected on the main page of Gjshd. 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: