8.8 sec in total
350 ms
6.7 sec
1.8 sec
Visit jiayu-optical.com now to see the best up-to-date Jiayu Optical content and also check out these interesting facts you probably never knew about jiayu-optical.com
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Visit jiayu-optical.comWe analyzed Jiayu-optical.com page load time and found that the first response time was 350 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
jiayu-optical.com performance score
name
value
score
weighting
Value3.9 s
24/100
10%
Value7.0 s
6/100
25%
Value8.0 s
21/100
10%
Value90 ms
98/100
30%
Value0.004
100/100
15%
Value5.8 s
67/100
10%
350 ms
258 ms
3670 ms
174 ms
176 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 25% of them (19 requests) were addressed to the original Jiayu-optical.com, 71% (53 requests) were made to Img.waimaoniu.net and 3% (2 requests) were made to Estat12.waimaoniu.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Jiayu-optical.com.
Page size can be reduced by 464.6 kB (16%)
3.0 MB
2.5 MB
In fact, the total size of Jiayu-optical.com main page is 3.0 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. 50% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 110.0 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 62.0 kB, which is 53% 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 110.0 kB or 93% of the original size.
Potential reduce by 9.3 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. Jiayu Optical images are well optimized though.
Potential reduce by 200.5 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 200.5 kB or 74% of the original size.
Potential reduce by 144.8 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. Jiayu-optical.com needs all CSS files to be minified and compressed as it can save up to 144.8 kB or 87% of the original size.
Number of requests can be reduced by 9 (13%)
69
60
The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jiayu Optical. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
jiayu-optical.com
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jiayu-optical.com
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jiayu-optical.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.
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.
jiayu-optical.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Page has valid source maps
jiayu-optical.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jiayu-optical.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Jiayu-optical.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.
jiayu-optical.com
Open Graph description is not detected on the main page of Jiayu Optical. 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: