6.9 sec in total
1.8 sec
4.6 sec
493 ms
Welcome to jstronic.com homepage info - get ready to check Jstronic best content right away, or after learning these important things about jstronic.com
Ningbo Junsheng Electronics Co., Ltd. is a specialized supplier of LED series in China. Our products cover full series of LED lamps, LED displays, LED dot matrixes, SMD, and LED lighting, include LED ...
Visit jstronic.comWe analyzed Jstronic.com page load time and found that the first response time was 1.8 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
jstronic.com performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value7.8 s
3/100
25%
Value7.5 s
27/100
10%
Value60 ms
100/100
30%
Value0.515
15/100
15%
Value12.0 s
16/100
10%
1829 ms
707 ms
352 ms
34 ms
48 ms
Our browser made a total of 95 requests to load all elements on the main page. We found that 95% of them (90 requests) were addressed to the original Jstronic.com, 3% (3 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Jstronic.com.
Page size can be reduced by 358.4 kB (12%)
3.0 MB
2.6 MB
In fact, the total size of Jstronic.com main page is 3.0 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 2.6 MB which makes up the majority of the site volume.
Potential reduce by 35.1 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 11.1 kB, which is 28% 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 35.1 kB or 89% of the original size.
Potential reduce by 41.7 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. Jstronic images are well optimized though.
Potential reduce by 128.4 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 128.4 kB or 67% of the original size.
Potential reduce by 153.2 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. Jstronic.com needs all CSS files to be minified and compressed as it can save up to 153.2 kB or 83% of the original size.
Number of requests can be reduced by 32 (38%)
85
53
The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jstronic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
jstronic.com
1829 ms
index.asp
707 ms
bootstrap.min.css
352 ms
css
34 ms
css
48 ms
font-awesome.min.css
374 ms
magnific-popup.css
259 ms
owl.carousel.css
193 ms
style.css
391 ms
product-col.css
202 ms
responsive.css
317 ms
lang.js
269 ms
logo.gif
320 ms
slide5-img.jpg
729 ms
slide1-img.jpg
745 ms
slide2-img.jpg
630 ms
slide3-img.jpg
663 ms
1col-banner1.jpg
499 ms
1col-banner2.jpg
529 ms
1col-banner3.jpg
564 ms
202347111511287.jpg
587 ms
202347112550697.jpg
689 ms
202347112728537.jpg
731 ms
202347113610391.jpg
756 ms
202347114025988.jpg
788 ms
20171030153049814.jpg
880 ms
20171030151443700.jpg
880 ms
20171030153323361.jpg
836 ms
2017103015122926.jpg
899 ms
20171030145956684.jpg
903 ms
20171030152155674.jpg
864 ms
20171030143830589.jpg
956 ms
20171030144532341.jpg
978 ms
3.jpg
940 ms
20171030144027989.jpg
1013 ms
20171030145150247.jpg
1026 ms
20171030144232395.jpg
1029 ms
20171030113120554.jpg
1065 ms
20171030112918240.jpg
1080 ms
jquery-1.11.1.min.js
1137 ms
jquery-migrate-1.2.1.min.js
949 ms
bootstrap.min.js
1011 ms
bootstrap-hover-dropdown.min.js
897 ms
jquery.magnific-popup.min.js
933 ms
owl.carousel.min.js
891 ms
custom.js
883 ms
jquery.flexslider.js
866 ms
2017103011330260.jpg
965 ms
20171030142516886.jpg
844 ms
ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5Xk.ttf
20 ms
ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBO5Xk.ttf
26 ms
ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBO5Xk.ttf
41 ms
fontawesome-webfont.woff
774 ms
glyphicons-halflings-regular.woff
748 ms
20171030165953160.jpg
846 ms
6.jpg
719 ms
1.jpg
721 ms
2.jpg
691 ms
20171030143219712.jpg
758 ms
4.jpg
672 ms
5.jpg
668 ms
2017103016533694.jpg
811 ms
2017103016105230.jpg
779 ms
3.jpg
676 ms
4.jpg
587 ms
20171030162244286.jpg
721 ms
2017103016382979.jpg
731 ms
7.jpg
598 ms
2017103016441862.jpg
703 ms
20234711352647.jpg
764 ms
1.jpg
607 ms
2.jpg
624 ms
20234711516132.jpg
1019 ms
ar.gif
610 ms
be.gif
624 ms
cz.gif
632 ms
da.gif
600 ms
de.gif
607 ms
en.gif
637 ms
es.gif
635 ms
fa.gif
592 ms
fr.gif
587 ms
hu.gif
619 ms
it.gif
633 ms
ja.gif
639 ms
nl.gif
589 ms
pl.gif
579 ms
pt.gif
598 ms
fontawesome-webfont.ttf
794 ms
glyphicons-halflings-regular.ttf
671 ms
ro.gif
615 ms
ru.gif
609 ms
tr.gif
608 ms
vi.gif
619 ms
zh.gif
625 ms
jstronic.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
Image elements do not have [alt] attributes
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
Heading elements are not in a sequentially-descending order
jstronic.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
jstronic.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jstronic.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 Jstronic.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.
jstronic.com
Open Graph description is not detected on the main page of Jstronic. 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: