15.2 sec in total
1.5 sec
13.4 sec
338 ms
Visit renzhengjiance.com now to see the best up-to-date Renzhengjiance content and also check out these interesting facts you probably never knew about renzhengjiance.com
深圳中测通科技有限公司是众联检验认证集团的一家深圳分公司。是一家综合性第三方检测认证机构,集团总部位于广东东莞,优势认证项目有CCC认证,CE认证,质检报告,十环认证,质检报告
Visit renzhengjiance.comWe analyzed Renzhengjiance.com page load time and found that the first response time was 1.5 sec and then it took 13.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
renzhengjiance.com performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value10.2 s
0/100
25%
Value25.2 s
0/100
10%
Value840 ms
34/100
30%
Value0.013
100/100
15%
Value13.6 s
11/100
10%
1516 ms
1890 ms
993 ms
1995 ms
1259 ms
Our browser made a total of 100 requests to load all elements on the main page. We found that 93% of them (93 requests) were addressed to the original Renzhengjiance.com, 4% (4 requests) were made to Hm.baidu.com and 2% (2 requests) were made to Goutong.baidu.com. The less responsive or slowest element that took the longest time to load (5.2 sec) relates to the external source Sgoutong.baidu.com.
Page size can be reduced by 565.8 kB (13%)
4.3 MB
3.8 MB
In fact, the total size of Renzhengjiance.com main page is 4.3 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. 65% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.
Potential reduce by 92.8 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 12.4 kB, which is 11% 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 92.8 kB or 81% of the original size.
Potential reduce by 375.9 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. Renzhengjiance images are well optimized though.
Potential reduce by 79.5 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 79.5 kB or 67% of the original size.
Potential reduce by 17.5 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. Renzhengjiance.com needs all CSS files to be minified and compressed as it can save up to 17.5 kB or 41% of the original size.
Number of requests can be reduced by 11 (11%)
97
86
The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Renzhengjiance. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
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renzhengjiance.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.
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
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.
renzhengjiance.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
renzhengjiance.com 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 doesn't use legible font sizes
ZH
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Renzhengjiance.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Renzhengjiance.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.
renzhengjiance.com
Open Graph description is not detected on the main page of Renzhengjiance. 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: