3.9 sec in total
772 ms
3 sec
144 ms
Visit zjdongda.com now to see the best up-to-date Zjdongda content and also check out these interesting facts you probably never knew about zjdongda.com
Zhejiang DD Water Industry Co., Ltd. is specialized in water treatment equipment and RO fittings.Our main products include all kinds of RO faucets and fittings,EDI,SDI,large flow security filter,fount...
Visit zjdongda.comWe analyzed Zjdongda.com page load time and found that the first response time was 772 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
zjdongda.com performance score
name
value
score
weighting
Value0.7 s
100/100
10%
Value5.7 s
16/100
25%
Value9.8 s
10/100
10%
Value580 ms
51/100
30%
Value0.005
100/100
15%
Value5.4 s
72/100
10%
772 ms
472 ms
251 ms
952 ms
497 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Zjdongda.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Zjdongda.com.
Page size can be reduced by 25.3 kB (23%)
110.7 kB
85.4 kB
In fact, the total size of Zjdongda.com main page is 110.7 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. Only 5% of websites need less resources to load. Images take 102.6 kB which makes up the majority of the site volume.
Potential reduce by 5.6 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 5.6 kB or 69% of the original size.
Potential reduce by 19.7 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. Obviously, Zjdongda needs image optimization as it can save up to 19.7 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Number of requests can be reduced by 7 (32%)
22
15
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zjdongda. 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.
zjdongda.com
772 ms
dsaw.jpg
472 ms
homecg_01.jpg
251 ms
homecg_02.jpg
952 ms
homecg_03.jpg
497 ms
homecg_04.jpg
484 ms
banner01.jpg
485 ms
banner02.jpg
486 ms
banner03.jpg
490 ms
banner04.jpg
759 ms
banner05.jpg
756 ms
banner06.jpg
763 ms
banner07.jpg
761 ms
homecg_06.jpg
753 ms
homecg_07.jpg
993 ms
homecg_09.jpg
997 ms
homecg_10.jpg
1736 ms
banner01s.gif
246 ms
banner02s.gif
244 ms
banner03s.gif
486 ms
banner04s.gif
263 ms
banner05s.gif
497 ms
banner06s.gif
295 ms
zjdongda.com accessibility score
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
zjdongda.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
zjdongda.com SEO score
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
EN
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zjdongda.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 Zjdongda.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
zjdongda.com
Open Graph description is not detected on the main page of Zjdongda. 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: