Tools & Wizards About Us
st.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

st.com

STMicroelectronics: Our technology starts with you

Page Load Speed

9 sec in total

First Response

735 ms

Resources Loaded

8.1 sec

Page Rendered

157 ms

st.com screenshot

About Website

Click here to check amazing St content for China. Otherwise, check out these important facts you probably never knew about st.com

ST is a global high-tech company creating semiconductor technologies for a smarter, greener, and more sustainable future

Visit st.com

Key Findings

We analyzed St.com page load time and found that the first response time was 735 ms and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

st.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value9.0 s

15/100

10%

TBT (Total Blocking Time)

Value6,380 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.6 s

2/100

10%

Network Requests Diagram

st.com

735 ms

www.st.com

480 ms

home.html

1507 ms

style.css

1261 ms

shadowbox.css

522 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 93% of them (78 requests) were addressed to the original St.com, 1% (1 request) were made to D31qbv1cthcecs.cloudfront.net and 1% (1 request) were made to Actonsoftware.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain St.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 861.6 kB (36%)

Content Size

2.4 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of St.com main page is 2.4 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. 20% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 63.5 kB

  • Original 75.7 kB
  • After minification 60.1 kB
  • After compression 12.2 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 15.6 kB, which is 21% 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 63.5 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 55.0 kB

  • Original 1.3 MB
  • After minification 1.3 MB

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. St images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 557.0 kB

  • Original 728.8 kB
  • After minification 557.6 kB
  • After compression 171.8 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 557.0 kB or 76% of the original size.

CSS Optimization

-86%

Potential reduce by 186.2 kB

  • Original 215.3 kB
  • After minification 154.6 kB
  • After compression 29.1 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. St.com needs all CSS files to be minified and compressed as it can save up to 186.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (47%)

Requests Now

81

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of St. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

st.com

st.com

735 ms

www.st.com

www.st.com

480 ms

home.html

home.html

1507 ms

style.css

style.css

1261 ms

shadowbox.css

shadowbox.css

522 ms

jquery-ui-1.8.13.custom.css

jquery-ui-1.8.13.custom.css

1030 ms

edesign.css

edesign.css

1235 ms

orderable.css

orderable.css

711 ms

popupmenu.css

popupmenu.css

839 ms

uniform.default.css

uniform.default.css

1011 ms

calculators.css

calculators.css

1094 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

1903 ms

jquery.getUrlParam.js

jquery.getUrlParam.js

1315 ms

jquery.validate.js

jquery.validate.js

1565 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

1408 ms

jquery.main.js

jquery.main.js

1738 ms

jquery-ui-1.8.16.custom.min.js

jquery-ui-1.8.16.custom.min.js

2500 ms

jquery.ui.spinner.js

jquery.ui.spinner.js

1669 ms

jquery.tablesorter.js

jquery.tablesorter.js

1774 ms

wcClientConfig.js

wcClientConfig.js

1841 ms

leftnav.js

leftnav.js

1918 ms

flowplayer-3.2.6.min.js

flowplayer-3.2.6.min.js

2001 ms

swfobject.js

swfobject.js

2091 ms

SaveToMyST.js

SaveToMyST.js

2102 ms

minilogin.js

minilogin.js

2160 ms

shadowbox.js

shadowbox.js

2689 ms

orderable.js

orderable.js

2268 ms

s_code.js

s_code.js

2983 ms

popupmenu.js

popupmenu.js

2458 ms

jquery.uniform.js

jquery.uniform.js

2575 ms

videos.js

videos.js

2636 ms

k_button.css

k_button.css

2596 ms

wz_tooltip.js

wz_tooltip.js

2733 ms

k_button.js

k_button.js

2147 ms

k_push.js

k_push.js

2202 ms

logo.gif

logo.gif

296 ms

text-slogan.gif

text-slogan.gif

270 ms

catalog-search.gif

catalog-search.gif

275 ms

homepage_banner_stm32ODE_dm-02.jpg

homepage_banner_stm32ODE_dm-02.jpg

1074 ms

homepage_STM32L0.jpg

homepage_STM32L0.jpg

914 ms

homepage_st25ta_english.jpg

homepage_st25ta_english.jpg

779 ms

Thumbnail_SMT32ODE.JPG

Thumbnail_SMT32ODE.JPG

569 ms

thumb_STM32L0.jpg

thumb_STM32L0.jpg

586 ms

ST25_Thumnail.jpg

ST25_Thumnail.jpg

712 ms

ico-20.gif

ico-20.gif

969 ms

sense_power.gif

sense_power.gif

905 ms

mmc.gif

mmc.gif

1026 ms

apps.gif

apps.gif

1092 ms

Company_Information.png

Company_Information.png

1323 ms

Press_Room.png

Press_Room.png

1352 ms

Investor_Relations.png

Investor_Relations.png

1390 ms

Events.png

Events.png

1555 ms

innovation_technology.jpg

innovation_technology.jpg

1492 ms

Social_Commitment.png

Social_Commitment.png

1500 ms

customer_focus.jpg

customer_focus.jpg

1646 ms

Careers.png

Careers.png

1957 ms

twitter.jpg

twitter.jpg

1699 ms

facebook.jpg

facebook.jpg

1790 ms

linkedin.jpg

linkedin.jpg

1877 ms

youtube.jpg

youtube.jpg

2086 ms

gplus.jpg

gplus.jpg

1976 ms

en-blue-band-low-left.gif

en-blue-band-low-left.gif

2069 ms

atrk.js

atrk.js

87 ms

none.gif

none.gif

2164 ms

separator-lang.gif

separator-lang.gif

2236 ms

lang-bullet.gif

lang-bullet.gif

2323 ms

logo.gif

logo.gif

2335 ms

text-slogan.gif

text-slogan.gif

2387 ms

btn-submit.gif

btn-submit.gif

2388 ms

separator-tabset.gif

separator-tabset.gif

2466 ms

bullet-08.gif

bullet-08.gif

2521 ms

bullet-07.gif

bullet-07.gif

2656 ms

visitor.gif

visitor.gif

180 ms

atrk.gif

atrk.gif

21 ms

test.png

test.png

19 ms

rss.png

rss.png

2439 ms

columns-sep.gif

columns-sep.gif

2459 ms

bullet-04.gif

bullet-04.gif

2489 ms

s42380914175882

s42380914175882

86 ms

threecolumns-sep.gif

threecolumns-sep.gif

2277 ms

twocolumns-sep.gif

twocolumns-sep.gif

2309 ms

bg-footer-content.png

bg-footer-content.png

2329 ms

footer-separator.gif

footer-separator.gif

2280 ms

nr-885.min.js

nr-885.min.js

41 ms

Accessibility Review

st.com accessibility score

82

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Links do not have a discernible name

Best Practices

st.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

st.com SEO score

84

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise St.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 St.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.

Social Sharing Optimization

st.com

Open Graph description is not detected on the main page of St. 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: