30.2 sec in total
2.5 sec
27.4 sec
365 ms
Visit sign51.cn now to see the best up-to-date Sign 51 content and also check out these interesting facts you probably never knew about sign51.cn
现代标识网是全球首家标识加工交易平台,我们的唯一官方网址是:www.sign51.cn。我们的业务涉及Led,广告,户外广告,广告公司,广告设计,led屏,包装,霓虹灯,标识,喷绘,灯箱,三面翻,LED显示屏,标牌,亚克力,易拉宝,发光字等。
Visit sign51.cnWe analyzed Sign51.cn page load time and found that the first response time was 2.5 sec and then it took 27.7 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 11 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
sign51.cn performance score
name
value
score
weighting
Value2.1 s
81/100
10%
Value6.0 s
13/100
25%
Value5.9 s
48/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value2.4 s
98/100
10%
2459 ms
758 ms
1939 ms
973 ms
995 ms
Our browser made a total of 102 requests to load all elements on the main page. We found that 99% of them (101 requests) were addressed to the original Sign51.cn, 1% (1 request) were made to Mat1.qq.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Sign51.cn.
Page size can be reduced by 100.0 kB (17%)
579.2 kB
479.2 kB
In fact, the total size of Sign51.cn main page is 579.2 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. 25% of websites need less resources to load. Images take 466.4 kB which makes up the majority of the site volume.
Potential reduce by 63.4 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 63.4 kB or 79% of the original size.
Potential reduce by 9.7 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. Sign 51 images are well optimized though.
Potential reduce by 2.0 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 2.0 kB or 80% of the original size.
Potential reduce by 24.9 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. Sign51.cn needs all CSS files to be minified and compressed as it can save up to 24.9 kB or 82% of the original size.
Number of requests can be reduced by 18 (20%)
90
72
The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sign 51. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for CSS and as a result speed up the page load time.
sign51.cn
2459 ms
quanj.css
758 ms
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1939 ms
main.css
973 ms
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995 ms
ad.css
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sign51.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
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
<object> elements do not have alternate text
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>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
sign51.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Browser errors were logged to the console
sign51.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
Document uses plugins
N/A
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sign51.cn 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 Sign51.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
sign51.cn
Open Graph description is not detected on the main page of Sign 51. 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: