33.6 sec in total
2.5 sec
30.7 sec
329 ms
Visit glass.cn now to see the best up-to-date Glass content for China and also check out these interesting facts you probably never knew about glass.cn
玻璃网是中国玻璃企业上网首选平台。玻璃招标,玻璃市场信息,玻璃展会,玻璃资讯、玻璃市场、玻璃论坛、玻璃价格、玻璃产品、玻璃瓶、玻璃行情、玻璃设备、玻璃厂等全面的玻璃信息服务
Visit glass.cnWe analyzed Glass.cn page load time and found that the first response time was 2.5 sec and then it took 31 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.
glass.cn performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value12.4 s
0/100
25%
Value9.3 s
12/100
10%
Value120 ms
97/100
30%
Value0.001
100/100
15%
Value13.7 s
10/100
10%
2540 ms
3465 ms
2608 ms
1477 ms
697 ms
Our browser made a total of 76 requests to load all elements on the main page. We found that 8% of them (6 requests) were addressed to the original Glass.cn, 70% (53 requests) were made to Meta.glass.cn and 14% (11 requests) were made to Www7.53kf.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Meta.glass.cn.
Page size can be reduced by 267.1 kB (52%)
517.3 kB
250.2 kB
In fact, the total size of Glass.cn main page is 517.3 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. 25% of websites need less resources to load. Javascripts take 194.1 kB which makes up the majority of the site volume.
Potential reduce by 86.7 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. 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 86.7 kB or 81% of the original size.
Potential reduce by 4.3 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. Glass images are well optimized though.
Potential reduce by 127.6 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 127.6 kB or 66% of the original size.
Potential reduce by 48.5 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. Glass.cn needs all CSS files to be minified and compressed as it can save up to 48.5 kB or 82% of the original size.
Number of requests can be reduced by 15 (28%)
54
39
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Glass. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
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glass.cn 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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
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.
glass.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
Browser errors were logged to the console
Page has valid source maps
glass.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Glass.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Glass.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.
{{og_description}}
glass.cn
Open Graph description is not detected on the main page of Glass. 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: