3 sec in total
173 ms
2.6 sec
156 ms
Welcome to onsemi.cn homepage info - get ready to check Onsemi best content for China right away, or after learning these important things about onsemi.cn
The leader in intelligent power and image sensing technologies that build a better future for the automotive, industrial, cloud, medical, and IoT markets
Visit onsemi.cnWe analyzed Onsemi.cn page load time and found that the first response time was 173 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
onsemi.cn performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value6.7 s
8/100
25%
Value6.2 s
44/100
10%
Value2,580 ms
4/100
30%
Value0.002
100/100
15%
Value15.7 s
7/100
10%
173 ms
298 ms
122 ms
116 ms
127 ms
Our browser made a total of 118 requests to load all elements on the main page. We found that 92% of them (108 requests) were addressed to the original Onsemi.cn, 3% (4 requests) were made to Onsemi.com and 3% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Onsemi.cn.
Page size can be reduced by 974.5 kB (20%)
4.9 MB
3.9 MB
In fact, the total size of Onsemi.cn main page is 4.9 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. 45% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.
Potential reduce by 306.1 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 51.4 kB, which is 15% 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 306.1 kB or 89% of the original size.
Potential reduce by 155.3 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. Onsemi images are well optimized though.
Potential reduce by 417.6 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 417.6 kB or 69% of the original size.
Potential reduce by 95.4 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. Onsemi.cn needs all CSS files to be minified and compressed as it can save up to 95.4 kB or 84% of the original size.
Number of requests can be reduced by 41 (36%)
115
74
The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onsemi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
onsemi.cn
173 ms
www.onsemi.cn
298 ms
style.ncv20150630.css
122 ms
styleCn.css
116 ms
styleHome.css
127 ms
newProducts.css
116 ms
homePageProductsFloatingMenu.css
118 ms
jquery.ui.theme.css
127 ms
jquery-ui-1.8.17.custom.css
168 ms
login.css
171 ms
headerProductsFloatingMenu.css
172 ms
preload.js
175 ms
scripts.js
178 ms
scriptHome.js
181 ms
jquery-1.7.2.min.js
338 ms
jquery-ui-1.8.16.custom.min.js
387 ms
homePageProductsFloatingMenu.js
225 ms
jquery.autocomplete.js
224 ms
login.js
225 ms
hoverIntent.js
229 ms
headerProductsFloatingMenu.js
276 ms
cookieconsent.min.js
278 ms
edge.6.0.0.min.js
402 ms
jquery.mcdropdown.js
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jquery.mcdropdown.css
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conversion.js
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chapter_open.gif
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chapter.gif
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minus.gif
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plus.gif
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BGs.png
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chapter_open.gif
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chapter.gif
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minus.gif
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plus.gif
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analytics.js
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ON-Semiconductor-CN.jpg
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energy-efficient-innovations-CN.jpg
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tabs.png
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ui-icons_ffffff_256x240.png
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btn_icon_login.gif
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btn_icon_register.gif
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ajax-loader.gif
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feedback.png
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rating.png
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ajax-loader2.gif
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App-Auto.jpg
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App-Circuit.jpg
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App-Computing.jpg
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App-Consumer.jpg
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App-LED.jpg
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App-Medical.jpg
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App-Industrial.jpg
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App-Aero.jpg
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App-Motor.jpg
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App-Comm.jpg
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App-Wireless.jpg
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App-Power.jpg
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vertical_line.jpg
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btn_icon_simulate.jpg
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btn_icon_analyze.jpg
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Product-Recommendation-Tool-graphic-Green.jpg
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IBD-Graphic-Green.jpg
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linkedin-icon.gif
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YouKu-footer.jpg
359 ms
Weibo-footer.jpg
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google-icon.gif
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linkid.js
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homePageBannerCN_edge.js
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gray-bar-shadow.jpg
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green-tab-shadow-left.jpg
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green-tab-shadow-mid.jpg
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green-tab-shadow-right.jpg
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footer-background.jpg
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preloader5.gif
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homePageBannerCN_edge.js
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hppc_v1.png
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hppc_bg.jpg
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hppc_block.jpg
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hppc_motor.png
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hppc_txt.png
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hppc_CTA.png
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arrowLeft.svg
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iiot_robots.jpg
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iiot_block.jpg
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iiot_SurveillanceCamera.png
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iiot_securitycamera_1.png
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iiot_wireless_camera_text.png
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iiot_CTA.png
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wireless_bg.jpg
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smartphone_block.jpg
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wireless_smartphone_txt.png
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dashedline2.svg
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wireless_camera_image.png
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wireless_camera.png
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wireless_smartphone_v1.png
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wireless_CTA.png
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automotive_road_v1.png
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automotive_block.png
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dashedline.svg
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automotive_cameraview_v1.png
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automotive_camera_v1.png
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automotive_adas_v1.png
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automotive_v1.png
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automotive_CTA.png
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hppc_off.svg
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IIoT_off.svg
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wireless_off.svg
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automotive_off.svg
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hppc_on.svg
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iiot_on.svg
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wireless_on.svg
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automotive_on.svg
822 ms
cookieconsent-dark-top.css
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mcdd_select_button_sprite.gif
58 ms
onsemi.cn 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.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
onsemi.cn 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
General
Impact
Issue
Registers an unload listener
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
onsemi.cn 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
Image elements do not have [alt] attributes
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onsemi.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Onsemi.cn 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.
onsemi.cn
Open Graph description is not detected on the main page of Onsemi. 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: