4.9 sec in total
2.4 sec
2.4 sec
123 ms
Welcome to ldyj.com.cn homepage info - get ready to check Ldyj best content right away, or after learning these important things about ldyj.com.cn
鹭达眼镜成立于1996年,现已发展成一个拥有“厦门鹭达眼镜有限公司”、“厦门索罗门网络科技有限公司”、“厦门鹭达视光学技术学校”、“厦门龙商建设有限公司”等七家子公司的大型企业。
Visit ldyj.com.cnWe analyzed Ldyj.com.cn page load time and found that the first response time was 2.4 sec and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster. This domain responded with an error, which can significantly jeopardize Ldyj.com.cn rating and web reputation
ldyj.com.cn performance score
name
value
score
weighting
Value2.2 s
76/100
10%
Value5.7 s
16/100
25%
Value6.0 s
46/100
10%
Value60 ms
100/100
30%
Value0
100/100
15%
Value2.3 s
99/100
10%
2363 ms
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Ldyj.com.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Ldyj.com.cn.
Page size can be reduced by 173.0 kB (6%)
2.9 MB
2.8 MB
In fact, the total size of Ldyj.com.cn main page is 2.9 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.
Potential reduce by 14.5 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 14.5 kB or 76% of the original size.
Potential reduce by 387 B
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. Ldyj images are well optimized though.
Potential reduce by 111.9 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 111.9 kB or 70% of the original size.
Potential reduce by 46.3 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. Ldyj.com.cn needs all CSS files to be minified and compressed as it can save up to 46.3 kB or 82% of the original size.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
ldyj.com.cn
2363 ms
ldyj.com.cn 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.
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
<object> elements do not have alternate text
ldyj.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
ldyj.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
Document uses plugins
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ldyj.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 Ldyj.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.
ldyj.com.cn
Open Graph description is not detected on the main page of Ldyj. 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: