Tools & Wizards About Us
espressif.cn screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

espressif.cn

Wireless SoCs, Software, Cloud and AIoT Solutions | Espressif Systems

Page Load Speed

12 sec in total

First Response

1 sec

Resources Loaded

10 sec

Page Rendered

1.1 sec

espressif.cn screenshot

About Website

Visit espressif.cn now to see the best up-to-date Espressif content for Hong Kong and also check out these interesting facts you probably never knew about espressif.cn

Espressif is a global high-tech leader in wireless communication, IoT, AI SoCs, software, and solutions, for a smarter and greener future.

Visit espressif.cn

Key Findings

We analyzed Espressif.cn page load time and found that the first response time was 1 sec and then it took 11 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

espressif.cn performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value1.219

1/100

15%

TTI (Time to Interactive)

Value28.5 s

0/100

10%

Network Requests Diagram

espressif.cn

1003 ms

system.base.css

1194 ms

system.menus.css

1205 ms

system.messages.css

1206 ms

system.theme.css

1207 ms

Our browser made a total of 168 requests to load all elements on the main page. We found that 42% of them (70 requests) were addressed to the original Espressif.cn, 51% (86 requests) were made to Espressif.com.cn and 1% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.8 sec) relates to the external source Espressif.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.6 MB (24%)

Content Size

10.9 MB

After Optimization

8.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Espressif.cn main page is 10.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 8.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 101.6 kB

  • Original 121.9 kB
  • After minification 101.1 kB
  • After compression 20.3 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 20.7 kB, which is 17% 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 101.6 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 248.6 kB

  • Original 8.0 MB
  • After minification 7.8 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. Espressif images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 945.4 kB

  • Original 1.3 MB
  • After minification 1.1 MB
  • After compression 330.5 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 945.4 kB or 74% of the original size.

CSS Optimization

-87%

Potential reduce by 1.3 MB

  • Original 1.5 MB
  • After minification 1.3 MB
  • After compression 185.7 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. Espressif.cn needs all CSS files to be minified and compressed as it can save up to 1.3 MB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 100 (63%)

Requests Now

158

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 158 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Espressif. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 54 to 1 for JavaScripts and from 41 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

espressif.cn

espressif.cn

1003 ms

system.base.css

system.base.css

1194 ms

system.menus.css

system.menus.css

1205 ms

system.messages.css

system.messages.css

1206 ms

system.theme.css

system.theme.css

1207 ms

jquery.ui.core.min.css

jquery.ui.core.min.css

1207 ms

jquery.ui.theme.min.css

jquery.ui.theme.min.css

1208 ms

jquery.ui.button.min.css

jquery.ui.button.min.css

1432 ms

jquery.ui.resizable.min.css

jquery.ui.resizable.min.css

1444 ms

jquery.ui.dialog.min.css

jquery.ui.dialog.min.css

1444 ms

calendar_multiday.css

calendar_multiday.css

1682 ms

comment.css

comment.css

1445 ms

date.css

date.css

1446 ms

datepicker.1.7.css

datepicker.1.7.css

1670 ms

field.css

field.css

1683 ms

node.css

node.css

1683 ms

search.css

search.css

1684 ms

user.css

user.css

1686 ms

views.css

views.css

1908 ms

ctools.css

ctools.css

1920 ms

shCore.css

shCore.css

1921 ms

shThemeDefault.css

shThemeDefault.css

1922 ms

syntaxhighlighter_insert_wysiwyg.css

syntaxhighlighter_insert_wysiwyg.css

1923 ms

locale.css

locale.css

1925 ms

webform.css

webform.css

2147 ms

flexslider.css

flexslider.css

2160 ms

jquery.mCustomScrollbar.css

jquery.mCustomScrollbar.css

2636 ms

style.css

style.css

3353 ms

ie.css

ie.css

2161 ms

responsive.css

responsive.css

2405 ms

zone.min.css

zone.min.css

2861 ms

googlecloudiot.css

googlecloudiot.css

2399 ms

events.min.css

events.min.css

2401 ms

fixed-menu.css

fixed-menu.css

2638 ms

espressif-custom.css

espressif-custom.css

3835 ms

jquery.min.js

jquery.min.js

2886 ms

jquery.once.js

jquery.once.js

2874 ms

jplayer.blue.monday.min.css

jplayer.blue.monday.min.css

421 ms

js

js

46 ms

new-espressif.css

new-espressif.css

1294 ms

new-menu.css

new-menu.css

865 ms

swiper.min.css

swiper.min.css

436 ms

mobile-banner.css

mobile-banner.css

664 ms

animate.min.css

animate.min.css

874 ms

new-home.css

new-home.css

853 ms

swiper.min.js

swiper.min.js

1101 ms

new-home.js

new-home.js

683 ms

new-espressif.js

new-espressif.js

1083 ms

39592689.js

39592689.js

34 ms

drupal.js

drupal.js

1691 ms

jquery.ui.core.min.js

jquery.ui.core.min.js

1901 ms

jquery.ui.widget.min.js

jquery.ui.widget.min.js

1915 ms

syntaxhighlighter_insert.utils.js

syntaxhighlighter_insert.utils.js

1916 ms

syntaxhighlighter_insert.js

syntaxhighlighter_insert.js

1926 ms

waypoints.min.js

waypoints.min.js

2138 ms

jquery.ui.button.min.js

jquery.ui.button.min.js

1937 ms

jquery.ui.mouse.min.js

jquery.ui.mouse.min.js

1926 ms

jquery.ui.draggable.min.js

jquery.ui.draggable.min.js

1929 ms

jquery.ui.position.min.js

jquery.ui.position.min.js

2140 ms

jquery.ui.resizable.min.js

jquery.ui.resizable.min.js

2149 ms

jquery.ui.dialog.min.js

jquery.ui.dialog.min.js

1928 ms

jquery.cookie.js

jquery.cookie.js

1919 ms

jquery.form.min.js

jquery.form.min.js

1931 ms

form.js

form.js

2141 ms

ajax.js

ajax.js

2151 ms

jquery_update.js

jquery_update.js

2151 ms

shCore.js

shCore.js

1982 ms

shLegacy.js

shLegacy.js

1974 ms

shBrushCpp.js

shBrushCpp.js

2141 ms

shBrushPerl.js

shBrushPerl.js

2152 ms

shBrushPhp.js

shBrushPhp.js

2153 ms

shBrushPowerShell.js

shBrushPowerShell.js

2152 ms

shBrushSql.js

shBrushSql.js

1931 ms

googleanalytics.js

googleanalytics.js

1934 ms

textarea.js

textarea.js

2137 ms

progress.js

progress.js

1913 ms

webform.js

webform.js

1912 ms

validate.js

validate.js

1908 ms

jquery.metadata.js

jquery.metadata.js

1681 ms

masonry.pkgd.min.js

masonry.pkgd.min.js

1695 ms

icheck.min.js

icheck.min.js

1675 ms

jquery.ellipsis.js

jquery.ellipsis.js

1676 ms

jquery.mCustomScrollbar.js

jquery.mCustomScrollbar.js

1913 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

1670 ms

jquery.jplayer.min.js

jquery.jplayer.min.js

1695 ms

jquery.dragscroll.min.js

jquery.dragscroll.min.js

1460 ms

all.js

all.js

2372 ms

syntaxhighlighter.min.js

syntaxhighlighter.min.js

1664 ms

browserclass.js

browserclass.js

1459 ms

analytics.js

analytics.js

724 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

15 ms

collect

collect

26 ms

js

js

39 ms

esp-devcon24-banner-wrap.jpg

esp-devcon24-banner-wrap.jpg

867 ms

esp-devcon24-banner-mobile-bg.jpg

esp-devcon24-banner-mobile-bg.jpg

223 ms

esp32-c5-banner.png

esp32-c5-banner.png

3242 ms

esp32-c5-banner-mobile-bg.png

esp32-c5-banner-mobile-bg.png

863 ms

espressif-acquires-banner.png

espressif-acquires-banner.png

1086 ms

espressif-acquires-banner-mobile-bg.png

espressif-acquires-banner-mobile-bg.png

434 ms

esp32-p4-banner.png

esp32-p4-banner.png

1554 ms

esp32-p4-banner-mobile-bg.png

esp32-p4-banner-mobile-bg.png

1521 ms

esp-devcon24-banner-samll.jpg

esp-devcon24-banner-samll.jpg

1079 ms

esp32-c5-banner-samll.png

esp32-c5-banner-samll.png

1083 ms

espressif-acquires-banner-small.png

espressif-acquires-banner-small.png

1296 ms

esp32-p4-banner-small.png

esp32-p4-banner-small.png

1517 ms

build-smart-icon1.png

build-smart-icon1.png

1523 ms

build-smart-icon2.jpg

build-smart-icon2.jpg

1728 ms

build-smart-icon3.png

build-smart-icon3.png

1736 ms

build-smart-icon4.png

build-smart-icon4.png

1956 ms

build-smart-icon5.png

build-smart-icon5.png

1741 ms

build-smart-icon6.jpg

build-smart-icon6.jpg

1776 ms

support-icon1.png

support-icon1.png

1944 ms

support-icon2.png

support-icon2.png

1954 ms

support-icon3.png

support-icon3.png

1959 ms

support-icon4.png

support-icon4.png

1998 ms

support-icon5.png

support-icon5.png

2159 ms

support-icon6.png

support-icon6.png

2170 ms

support-icon7.png

support-icon7.png

2173 ms

youtube-icon.png

youtube-icon.png

2176 ms

youtube-logo.png

youtube-logo.png

2220 ms

github-logo.png

github-logo.png

2376 ms

reddit-icon.png

reddit-icon.png

2387 ms

reddit-logo.png

reddit-logo.png

2391 ms

book-logo.png

book-logo.png

2394 ms

event-date1.png

event-date1.png

2441 ms

event-location.png

event-location.png

2591 ms

news-bg.png

news-bg.png

2821 ms

top.png

top.png

2608 ms

down.png

down.png

2611 ms

logo-black.svg

logo-black.svg

241 ms

devcon24-logo.jpg

devcon24-logo.jpg

242 ms

devcon24-bg.jpg

devcon24-bg.jpg

482 ms

devcon24-logo_0.jpg

devcon24-logo_0.jpg

243 ms

devcon24-bg_0.jpg

devcon24-bg_0.jpg

244 ms

ESP%20Friends_0.png

ESP%20Friends_0.png

479 ms

ESP%20Friends%20%E6%8A%80%E6%9C%AF%E6%B2%99%E9%BE%99%E9%95%BF%E5%9B%BE_Event%20%E6%B4%BB%E5%8A%A8%E8%83%8C%E6%99%AF%E5%9B%BE_V2_1.jpeg

ESP%20Friends%20%E6%8A%80%E6%9C%AF%E6%B2%99%E9%BE%99%E9%95%BF%E5%9B%BE_Event%20%E6%B4%BB%E5%8A%A8%E8%83%8C%E6%99%AF%E5%9B%BE_V2_1.jpeg

957 ms

collaboration.png

collaboration.png

434 ms

press-release.png

press-release.png

435 ms

font_993096_ikbmeatldmr.woff

font_993096_ikbmeatldmr.woff

34 ms

hm.js

hm.js

1179 ms

insight.min.js

insight.min.js

48 ms

banner.js

banner.js

61 ms

39592689.js

39592689.js

78 ms

insight_tag_errors.gif

insight_tag_errors.gif

18 ms

TruenoBd.woff

TruenoBd.woff

2445 ms

iconfont.woff

iconfont.woff

2376 ms

SourceHanSansCN-Regular.woff

SourceHanSansCN-Regular.woff

1966 ms

TruenoRg.woff

TruenoRg.woff

1968 ms

SourceHanSansCN-Light.woff

SourceHanSansCN-Light.woff

1810 ms

SourceHanSansCN-Medium.woff

SourceHanSansCN-Medium.woff

1943 ms

TruenoSbd.woff

TruenoSbd.woff

1954 ms

hm.gif

hm.gif

292 ms

gongan.png

gongan.png

1751 ms

search-new.png

search-new.png

1535 ms

right.png

right.png

1590 ms

form-bg.png

form-bg.png

1722 ms

form-top.png

form-top.png

1704 ms

form-bottom.png

form-bottom.png

1535 ms

form-left.png

form-left.png

1530 ms

form-right.png

form-right.png

1591 ms

select.png

select.png

1680 ms

footer-bg.png

footer-bg.png

1517 ms

linkdin.png

linkdin.png

1520 ms

youtube.png

youtube.png

1524 ms

twitter.png

twitter.png

1525 ms

facebook.png

facebook.png

1556 ms

ins.png

ins.png

1513 ms

github1.png

github1.png

1507 ms

Accessibility Review

espressif.cn accessibility score

87

Accessibility Issues

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

Image elements do not have [alt] attributes

Best Practices

espressif.cn best practices score

58

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

espressif.cn SEO score

79

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

High

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

Social Sharing Optimization

espressif.cn

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