4.1 sec in total
78 ms
3.3 sec
742 ms
Click here to check amazing Cn Link Group content. Otherwise, check out these important facts you probably never knew about cnlink-group.com
15 Years ODM/OEM Experiences in optical field,Design, research and development, production, sales, logistics and after-sales service in the field of optics,Get A Better Deal.Quality China Products.Chi...
Visit cnlink-group.comWe analyzed Cnlink-group.com page load time and found that the first response time was 78 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
cnlink-group.com performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value9.1 s
1/100
25%
Value5.7 s
52/100
10%
Value780 ms
38/100
30%
Value0.852
4/100
15%
Value8.9 s
35/100
10%
78 ms
199 ms
2250 ms
59 ms
2300 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 59% of them (16 requests) were addressed to the original Cnlink-group.com, 19% (5 requests) were made to Googletagmanager.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Cnlink-group.com.
Page size can be reduced by 80.7 kB (29%)
279.9 kB
199.2 kB
In fact, the total size of Cnlink-group.com main page is 279.9 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. 45% of websites need less resources to load. Javascripts take 139.4 kB which makes up the majority of the site volume.
Potential reduce by 76.7 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 76.7 kB or 86% of the original size.
Potential reduce by 680 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. Cn Link Group images are well optimized though.
Potential reduce by 1.8 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. This website has mostly compressed JavaScripts.
Potential reduce by 1.5 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. Cnlink-group.com has all CSS files already compressed.
Number of requests can be reduced by 20 (77%)
26
6
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn Link Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
www.cnlink-group.com
78 ms
lazyload.js
199 ms
video.css
2250 ms
magnific-popup.css
59 ms
mediaelementplayer.min.css
2300 ms
gallery.css
2246 ms
hf.css
2247 ms
js
56 ms
js
104 ms
jquery-3.3.1.min.js
218 ms
m_menu_01.js
2382 ms
swiper.min.js
219 ms
banner_9.js
246 ms
mediaelement-and-player.js
262 ms
jquery.magnific-popup.min.js
337 ms
cell_video_popup_144.js
396 ms
gallery_9623.js
446 ms
go_to_top_01.js
2283 ms
js
154 ms
analytics.js
227 ms
js
207 ms
gtm.js
197 ms
2021-1-5-1609825822699.png
455 ms
2021-1-5-1609825990082.png
451 ms
104 ms
collect
14 ms
26 ms
cnlink-group.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
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.
cnlink-group.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
General
Impact
Issue
Detected JavaScript libraries
cnlink-group.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
Image elements do not have [alt] attributes
Document doesn't have a valid hreflang
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cnlink-group.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 Cnlink-group.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.
cnlink-group.com
Open Graph description is not detected on the main page of Cn Link Group. 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: