20.2 sec in total
1.9 sec
18.2 sec
157 ms
Welcome to nrb.com.cn homepage info - get ready to check Nrb best content right away, or after learning these important things about nrb.com.cn
常州光洋轴承有限公司主要产品为滚针轴承、滚子轴承、离合器分离轴承与轮毂轴承,产品主要运用于汽车变速器、离合器、重卡车桥和轮毂等重要总成,是主机的重要部件。公司是国内轴承行业重点骨干制造企业、国内汽车轴承领军企业,具有较强的自主研发能力。
Visit nrb.com.cnWe analyzed Nrb.com.cn page load time and found that the first response time was 1.9 sec and then it took 18.3 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.
nrb.com.cn performance score
name
value
score
weighting
Value1.7 s
93/100
10%
Value4.5 s
37/100
25%
Value6.2 s
43/100
10%
Value20 ms
100/100
30%
Value0.32
36/100
15%
Value4.2 s
85/100
10%
1864 ms
12789 ms
928 ms
688 ms
1958 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that 97% of them (30 requests) were addressed to the original Nrb.com.cn, 3% (1 request) were made to Ztouch2.gather.shushang-z.cn. The less responsive or slowest element that took the longest time to load (12.8 sec) belongs to the original domain Nrb.com.cn.
Page size can be reduced by 171.9 kB (28%)
613.7 kB
441.8 kB
In fact, the total size of Nrb.com.cn main page is 613.7 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 387.6 kB which makes up the majority of the site volume.
Potential reduce by 21.7 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 21.7 kB or 78% of the original size.
Potential reduce by 1.5 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. Nrb images are well optimized though.
Potential reduce by 89.4 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 89.4 kB or 69% of the original size.
Potential reduce by 59.4 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. Nrb.com.cn needs all CSS files to be minified and compressed as it can save up to 59.4 kB or 87% of the original size.
Number of requests can be reduced by 15 (52%)
29
14
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nrb. 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 JavaScripts and as a result speed up the page load time.
nrb.com.cn
1864 ms
www.nrb.com.cn
12789 ms
lib.min.css
928 ms
page_index.min.css
688 ms
jquery.js
1958 ms
lib.min.js
1584 ms
1002 ms
470 ms
nav.js
772 ms
png.js
926 ms
visittrack.js
2386 ms
index_03.jpg
158 ms
index_05.jpg
159 ms
cad72b4a-b47d-4c27-979a-96f1b42431ad.jpg
159 ms
zw.jpg
158 ms
en.jpg
160 ms
46e536a9-c6c9-489f-b664-ef9f38ee4793.jpg
155 ms
input-bg.gif
299 ms
btn-blue1-07.gif
299 ms
ceb5c8e7-2ad3-449e-9186-05c1e9ecffae.JPG
304 ms
index_07.jpg
296 ms
index_08.jpg
294 ms
index_12.jpg
287 ms
index_13.jpg
420 ms
index_14.jpg
488 ms
icon-09.gif
416 ms
index_15.jpg
413 ms
91aca421-619f-43b3-8ee7-f5a3d5d7686e.jpg
208 ms
8dd3b138-25bc-4b54-b316-659edd0b8c84.jpg
341 ms
f78a8d50-1b08-4b22-8068-41a24a219871.jpg
279 ms
1fabd527-bb6a-4176-b556-7235519cf3b0.jpg
346 ms
nrb.com.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
Links do not have a discernible name
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.
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.
nrb.com.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
nrb.com.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
Tap targets are not sized appropriately
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nrb.com.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 Nrb.com.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.
nrb.com.cn
Open Graph description is not detected on the main page of Nrb. 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: