4.9 sec in total
371 ms
3.2 sec
1.3 sec
Click here to check amazing Johsun content. Otherwise, check out these important facts you probably never knew about johsun.com
Johsun is high and low voltage complete sets and component power manufacturers and suppliers, providing vcb, voltage regulators, power transformer boxes,etc.
Visit johsun.comWe analyzed Johsun.com page load time and found that the first response time was 371 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
johsun.com performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value5.5 s
19/100
25%
Value4.7 s
69/100
10%
Value280 ms
81/100
30%
Value0
100/100
15%
Value5.3 s
73/100
10%
371 ms
565 ms
202 ms
274 ms
374 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Johsun.com, 88% (45 requests) were made to Johsuntech.com and 4% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Johsuntech.com.
Page size can be reduced by 65.4 kB (3%)
2.2 MB
2.1 MB
In fact, the total size of Johsun.com main page is 2.2 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. 35% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 41.7 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. This page needs HTML code to be minified as it can gain 15.5 kB, which is 31% 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 41.7 kB or 84% of the original size.
Potential reduce by 21.5 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. Johsun images are well optimized though.
Potential reduce by 189 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.
Potential reduce by 2.0 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. Johsun.com has all CSS files already compressed.
Number of requests can be reduced by 15 (33%)
45
30
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Johsun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
johsun.com
371 ms
www.johsuntech.com
565 ms
Cmsfont.css
202 ms
munion-css-pc.css
274 ms
munion-js-pc.js
374 ms
jquery.min.js
281 ms
swiper-bundle.min.css
203 ms
munion-web.css
208 ms
css2
31 ms
moblenav.js
442 ms
swiper-bundle.min.js
527 ms
js
99 ms
logo3.png
137 ms
banner.jpg
405 ms
banner2.jpg
512 ms
banner3.jpg
537 ms
home-about1.jpg
650 ms
pr-yq.png
385 ms
product1.jpg
520 ms
voltage-transformer.jpg
718 ms
solar-series.jpg
606 ms
power-inverter.jpg
779 ms
automatic-battery-charger.jpg
786 ms
work-1.jpg
872 ms
work-2.jpg
941 ms
work-3.jpg
984 ms
work-4.jpg
1053 ms
work-le.png
980 ms
work-ri.png
986 ms
home-application1.jpg
1274 ms
jt-ri.png
1142 ms
home-application2.jpg
1381 ms
home-application3.jpg
1451 ms
home-application4.jpg
1388 ms
foot-be.png
1253 ms
footer-logo.png
1341 ms
footer-tb1.png
1452 ms
footer-tb2.png
1473 ms
footer-tb3.png
1543 ms
he-dh.png
1572 ms
banner-yh1.png
1613 ms
home-about.jpg
1773 ms
pxiByp8kv8JHgFVrLDz8V1s.ttf
63 ms
pxiByp8kv8JHgFVrLEj6V1s.ttf
71 ms
CmsFont.woff
1642 ms
home-probg.jpg
1770 ms
a-jt.png
1706 ms
PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA
1 ms
home-us-bg.jpg
1695 ms
jb-bg.png
1732 ms
footer-tb.png
1626 ms
johsun.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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
johsun.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
johsun.com SEO score
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 Johsun.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 Johsun.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.
johsun.com
Open Graph data is detected on the main page of Johsun. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: