5.5 sec in total
824 ms
3.3 sec
1.3 sec
Visit bluesky-filter.com now to see the best up-to-date Bluesky Filter content and also check out these interesting facts you probably never knew about bluesky-filter.com
NANJING BLUE SKY FILTER CO.,LTD is a professional China air filter manufacturer, we provide customers with filter elements and other China industrial filters with high quality and reasonable price. We...
Visit bluesky-filter.comWe analyzed Bluesky-filter.com page load time and found that the first response time was 824 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
bluesky-filter.com performance score
name
value
score
weighting
Value2.4 s
72/100
10%
Value3.2 s
71/100
25%
Value10.9 s
6/100
10%
Value2,860 ms
3/100
30%
Value0.605
10/100
15%
Value10.4 s
24/100
10%
824 ms
157 ms
121 ms
117 ms
1143 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Bluesky-filter.com, 71% (20 requests) were made to A3.leadongcdn.com and 14% (4 requests) were made to A2.leadongcdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Push.zhanzhang.baidu.com.
Page size can be reduced by 283.0 kB (29%)
984.0 kB
701.0 kB
In fact, the total size of Bluesky-filter.com main page is 984.0 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. Images take 636.4 kB which makes up the majority of the site volume.
Potential reduce by 283.0 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. 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 283.0 kB or 81% of the original size.
Potential reduce by 0 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. Bluesky Filter images are well optimized though.
Potential reduce by 11 B
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.
Number of requests can be reduced by 6 (22%)
27
21
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bluesky Filter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
824 ms
logo-60-60.png
157 ms
transparent.png
121 ms
transparent.png
117 ms
push.js
1143 ms
probe.js
21 ms
banner-60-60.jpg
189 ms
transparent.png
32 ms
1.jpg
31 ms
transparent.png
188 ms
BS1078-320-320.jpg
31 ms
BS1081-320-320.jpg
187 ms
BS1077-320-320.jpg
187 ms
BS1033-320-320.jpg
187 ms
BS050-Whirlpool-1183051K-320-320.jpg
204 ms
BS1027-320-320.jpg
205 ms
BS1026-320-320.jpg
207 ms
BS1025-Core-600s-320-320.jpg
282 ms
BS1024-320-320.jpg
338 ms
BS1023-MA-14-Filter-320-320.jpg
205 ms
BS1022-320-320.jpg
249 ms
BS1048-320-320.jpg
205 ms
BS1019-320-320.jpg
207 ms
BS1046-320-320.jpg
207 ms
BS1039-320-320.jpg
208 ms
BD1047-320-320.jpg
210 ms
transparent.png
209 ms
transparent.png
184 ms
bluesky-filter.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
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.
bluesky-filter.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
bluesky-filter.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
EN
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bluesky-filter.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Bluesky-filter.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.
bluesky-filter.com
Open Graph description is not detected on the main page of Bluesky Filter. 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: