2.7 sec in total
413 ms
1.9 sec
383 ms
Welcome to dc-contactors.com homepage info - get ready to check DC Contactors best content right away, or after learning these important things about dc-contactors.com
Zhejiang Dongya Electronic was founded in Y1984. We specialize in designing, manufacturing and selling High & dc contactor relay, Low Voltage DC Contactor, Shunt and Hydraulic Circuit Breaker.
Visit dc-contactors.comWe analyzed Dc-contactors.com page load time and found that the first response time was 413 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
dc-contactors.com performance score
name
value
score
weighting
Value2.4 s
72/100
10%
Value4.9 s
29/100
25%
Value3.8 s
83/100
10%
Value600 ms
49/100
30%
Value0.267
46/100
15%
Value7.7 s
45/100
10%
413 ms
551 ms
149 ms
224 ms
489 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 78% of them (43 requests) were addressed to the original Dc-contactors.com, 9% (5 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (694 ms) belongs to the original domain Dc-contactors.com.
Page size can be reduced by 77.5 kB (6%)
1.4 MB
1.3 MB
In fact, the total size of Dc-contactors.com main page is 1.4 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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 24.2 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 6.4 kB, which is 22% 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 24.2 kB or 81% of the original size.
Potential reduce by 12.7 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. DC Contactors images are well optimized though.
Potential reduce by 29.2 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 29.2 kB or 19% of the original size.
Potential reduce by 11.3 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. Dc-contactors.com needs all CSS files to be minified and compressed as it can save up to 11.3 kB or 31% of the original size.
Number of requests can be reduced by 9 (18%)
51
42
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DC Contactors. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
dc-contactors.com
413 ms
www.dc-contactors.com
551 ms
shared.min.css
149 ms
style.css
224 ms
shared.min.js
489 ms
css
35 ms
jquery.min.js
359 ms
moblenav.js
288 ms
js
64 ms
js
106 ms
en.png
71 ms
kr.png
72 ms
logo.png
114 ms
DC-Contactor.jpg
292 ms
banner02.jpg
513 ms
banner03.jpg
426 ms
dc-contactor-zljm-400c-a1.jpg
193 ms
dc-contactor-zljm-2000a.jpg
269 ms
high-voltage-dc-contactor-dh200h.jpg
420 ms
high-voltage-dc-contactor-dh250.jpg
421 ms
high-voltage-dc-contactor-dh200.jpg
425 ms
high-voltage-dc-contactor-dh300.jpg
424 ms
high-voltage-dc-contactor-dhc150.jpg
424 ms
high-voltage-dc-contactor-dhc200.jpg
423 ms
reliable-partner.jpg
493 ms
corporate-culture.png
492 ms
professional-technology.png
492 ms
strategic-partners.png
491 ms
system-authentication.png
494 ms
strong-after-sales-team.png
559 ms
company-profile2.jpg
559 ms
huawei.jpg
561 ms
taida.jpg
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eaton.jpg
563 ms
enatel.jpg
580 ms
shuolixin.jpg
627 ms
nokia.jpg
626 ms
raycap.jpg
630 ms
skyworth.jpg
630 ms
alpha.jpg
631 ms
siemens.jpg
649 ms
zhongheng.jpg
694 ms
zte.jpg
665 ms
CmsFont.ttf
659 ms
captcha
639 ms
weixin.jpg
638 ms
js
89 ms
js
85 ms
js
88 ms
59 ms
analytics.js
125 ms
116 ms
collect
11 ms
collect
18 ms
ga-audiences
16 ms
dc-contactors.com accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
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
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
dc-contactors.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
dc-contactors.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
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dc-contactors.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 Dc-contactors.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.
dc-contactors.com
Open Graph description is not detected on the main page of DC Contactors. 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: