15 sec in total
810 ms
13.9 sec
275 ms
Welcome to hyvisionstar.com homepage info - get ready to check Hy Vision Star best content for Croatia right away, or after learning these important things about hyvisionstar.com
Chongqing Vision Star is a supplier of optometry and ophthalmic equipment from China. We have 20+ years experiences in eye exam equipment manufacturing and trading. Get our price list and catalog now.
Visit hyvisionstar.comWe analyzed Hyvisionstar.com page load time and found that the first response time was 810 ms and then it took 14.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
hyvisionstar.com performance score
name
value
score
weighting
Value2.1 s
82/100
10%
Value5.2 s
23/100
25%
Value6.2 s
44/100
10%
Value990 ms
28/100
30%
Value0
100/100
15%
Value15.0 s
7/100
10%
810 ms
797 ms
605 ms
602 ms
603 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 26% of them (18 requests) were addressed to the original Hyvisionstar.com, 36% (25 requests) were made to Static.leadong-web.com and 24% (17 requests) were made to Img.leadong-web.com. The less responsive or slowest element that took the longest time to load (7.4 sec) relates to the external source S13.cnzz.com.
Page size can be reduced by 387.7 kB (21%)
1.9 MB
1.5 MB
In fact, the total size of Hyvisionstar.com main page is 1.9 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 1.4 MB which makes up the majority of the site volume.
Potential reduce by 99.1 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 99.1 kB or 86% of the original size.
Potential reduce by 29.5 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. Hy Vision Star images are well optimized though.
Potential reduce by 215.7 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 215.7 kB or 68% of the original size.
Potential reduce by 43.3 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. Hyvisionstar.com needs all CSS files to be minified and compressed as it can save up to 43.3 kB or 75% of the original size.
Number of requests can be reduced by 30 (45%)
67
37
The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hy Vision Star. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
hyvisionstar.com
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common.css
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style.css
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jquery.lightbox-0.5.css
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css.css
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nivo-slider.css
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jquery.1.7.js
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transPic.js
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common.js
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ProductRecommend.js
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myscoll.js
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messages.js
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jquery.lightbox-0.5.js
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jquery.rollPicture-0.2.js
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jquery.imagezoom.js
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prodShow.js
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jquery.jmpopups-0.5.1.js
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jquery.placeholder.js
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jquery.nbspSlider.1.1.min.js
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jquery.SuperSlide.2.1.1.source.js
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hyvisionstar.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.
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
Form elements do not have associated labels
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>).
hyvisionstar.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
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
hyvisionstar.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 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 Hyvisionstar.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 Hyvisionstar.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.
hyvisionstar.com
Open Graph description is not detected on the main page of Hy Vision Star. 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: