29.6 sec in total
2.3 sec
26.8 sec
401 ms
Click here to check amazing TOP UNISTAR content for China. Otherwise, check out these important facts you probably never knew about top-unistar.com
材料分析、材料制备、仪器设备及相关软件提供商
Visit top-unistar.comWe analyzed Top-unistar.com page load time and found that the first response time was 2.3 sec and then it took 27.2 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
top-unistar.com performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value4.0 s
49/100
25%
Value14.6 s
1/100
10%
Value970 ms
28/100
30%
Value0.525
14/100
15%
Value7.5 s
48/100
10%
2316 ms
2739 ms
346 ms
681 ms
1000 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 81% of them (30 requests) were addressed to the original Top-unistar.com, 5% (2 requests) were made to Hm.baidu.com and 3% (1 request) were made to 0. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Top-unistar.com.
Page size can be reduced by 298.6 kB (20%)
1.5 MB
1.2 MB
In fact, the total size of Top-unistar.com main page is 1.5 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. 20% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 11.0 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. This page needs HTML code to be minified as it can gain 2.0 kB, which is 13% 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 11.0 kB or 74% of the original size.
Potential reduce by 153.5 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. Obviously, TOP UNISTAR needs image optimization as it can save up to 153.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 90.3 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 90.3 kB or 60% of the original size.
Potential reduce by 43.9 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. Top-unistar.com needs all CSS files to be minified and compressed as it can save up to 43.9 kB or 80% of the original size.
Number of requests can be reduced by 12 (46%)
26
14
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TOP UNISTAR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
top-unistar.com
2316 ms
www.top-unistar.com
2739 ms
metinfo_ui.css
346 ms
metinfo.css
681 ms
jQuery1.7.2.js
1000 ms
ch.js
667 ms
metinfo_ui.js
669 ms
nivo-slider.css
1035 ms
jquery.nivo.slider.pack.js
3683 ms
bootstrap.min.css
1035 ms
main-cn.css
1335 ms
modernizr-2.8.3.min.js
1335 ms
fun.inc.js
1339 ms
biaoshu.jpg
362 ms
1451977902.png
1791 ms
nav_bg.png
654 ms
nav-dlbg.jpg
648 ms
1458094100.jpg
4987 ms
145191316.jpg
636 ms
news.jpg
634 ms
20151030_151705.jpg
640 ms
desy.jpg
657 ms
2.png
654 ms
biaoshu.jpg
1273 ms
news.jpg
1004 ms
145191316.jpg
4200 ms
20151030_151705.jpg
17895 ms
2.png
6000 ms
desy.jpg
20109 ms
ys.php
698 ms
picture2_stat.js
2861 ms
footbg.jpg
334 ms
picture2_stat.js
5716 ms
stat2.png
6873 ms
h.js
762 ms
s.js
1991 ms
hm.gif
243 ms
top-unistar.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
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.
top-unistar.com 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
General
Impact
Issue
Detected JavaScript libraries
top-unistar.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Top-unistar.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Top-unistar.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.
top-unistar.com
Open Graph description is not detected on the main page of TOP UNISTAR. 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: