57.1 sec in total
1.2 sec
55.2 sec
649 ms
Click here to check amazing Yi 7 content for China. Otherwise, check out these important facts you probably never knew about yi7.com
仪器交易网是仪器仪表行业的电子商务在线交易平台,让企业买卖仪器、仪表更简单,更快捷,更方便,同时还有仪器仪表行业展会、资讯、行情、招商、公司等大量信息。
Visit yi7.comWe analyzed Yi7.com page load time and found that the first response time was 1.2 sec and then it took 55.9 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 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
yi7.com performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value10.7 s
0/100
25%
Value10.8 s
7/100
10%
Value50 ms
100/100
30%
Value0.069
96/100
15%
Value7.6 s
47/100
10%
1199 ms
6655 ms
2288 ms
3960 ms
815 ms
Our browser made a total of 157 requests to load all elements on the main page. We found that 58% of them (91 requests) were addressed to the original Yi7.com, 38% (60 requests) were made to Img.yi7.com and 1% (1 request) were made to S11.cnzz.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Img.yi7.com.
Page size can be reduced by 245.3 kB (19%)
1.3 MB
1.0 MB
In fact, the total size of Yi7.com main page is 1.3 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. 30% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 97.0 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 97.0 kB or 83% of the original size.
Potential reduce by 63.6 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. Yi 7 images are well optimized though.
Potential reduce by 52.4 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 52.4 kB or 73% of the original size.
Potential reduce by 32.3 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. Yi7.com needs all CSS files to be minified and compressed as it can save up to 32.3 kB or 88% of the original size.
Number of requests can be reduced by 14 (9%)
149
135
The browser has sent 149 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yi 7. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
yi7.com
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yi7.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.
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.
yi7.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
yi7.com 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
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 Yi7.com 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 Yi7.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.
yi7.com
Open Graph description is not detected on the main page of Yi 7. 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: