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chelsio.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 57

    SEO

    Google-friendlier than
    20% of websites

chelsio.com

1/10/25/40/50/100Gb Ethernet Solutions For Cloud, Storage and HPC Applications

Page Load Speed

5.3 sec in total

First Response

1.6 sec

Resources Loaded

3.6 sec

Page Rendered

108 ms

chelsio.com screenshot

About Website

Visit chelsio.com now to see the best up-to-date Chelsio content for United States and also check out these interesting facts you probably never knew about chelsio.com

Chelsio is a leading technology company focused on solving high performance networking and storage challenges for virtualized enterprise data centers, cloud service installations, and cluster computin...

Visit chelsio.com

Key Findings

We analyzed Chelsio.com page load time and found that the first response time was 1.6 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

chelsio.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value430 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

www.chelsio.com

1614 ms

style.css

213 ms

jquery1.min.js

285 ms

responsiveslides.css

145 ms

global.js

144 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 93% of them (50 requests) were addressed to the original Chelsio.com, 4% (2 requests) were made to Connect.facebook.net and 2% (1 request) were made to Translate.google.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Chelsio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 508.5 kB (27%)

Content Size

1.9 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chelsio.com main page is 1.9 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. 40% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 63.6 kB

  • Original 77.4 kB
  • After minification 66.8 kB
  • After compression 13.8 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 10.6 kB, which is 14% 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 63.6 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 8.8 kB

  • Original 1.2 MB
  • After minification 1.2 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. Chelsio images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 301.8 kB

  • Original 442.9 kB
  • After minification 417.2 kB
  • After compression 141.1 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 301.8 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 134.3 kB

  • Original 156.8 kB
  • After minification 141.6 kB
  • After compression 22.5 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. Chelsio.com needs all CSS files to be minified and compressed as it can save up to 134.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (47%)

Requests Now

53

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chelsio. 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.chelsio.com

www.chelsio.com

1614 ms

style.css

style.css

213 ms

jquery1.min.js

jquery1.min.js

285 ms

responsiveslides.css

responsiveslides.css

145 ms

global.js

global.js

144 ms

language-selector.css

language-selector.css

145 ms

prettyPhoto.css

prettyPhoto.css

215 ms

wp-video-lightbox.css

wp-video-lightbox.css

215 ms

style.min.css

style.min.css

358 ms

styles.css

styles.css

150 ms

ticker-style.css

ticker-style.css

269 ms

jquery.min.js

jquery.min.js

287 ms

jquery-migrate.min.js

jquery-migrate.min.js

269 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

302 ms

video-lightbox.js

video-lightbox.js

286 ms

sitepress.js

sitepress.js

302 ms

element.js

element.js

47 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

429 ms

responsiveslides.js

responsiveslides.js

357 ms

ticker-style.css

ticker-style.css

294 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

291 ms

wp-polyfill.min.js

wp-polyfill.min.js

292 ms

index.js

index.js

292 ms

jquery.ticker.js

jquery.ticker.js

358 ms

new-tab.js

new-tab.js

370 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

178 ms

ASICs.png

ASICs.png

294 ms

0.jpg

0.jpg

28 ms

chelsio_logo.jpg

chelsio_logo.jpg

138 ms

menu_t6_adapter.png

menu_t6_adapter.png

360 ms

t62100-cr_core_ip.png

t62100-cr_core_ip.png

138 ms

banner_performance.jpg

banner_performance.jpg

338 ms

banner_iscsi_100Gb.jpg

banner_iscsi_100Gb.jpg

278 ms

banner_windows.jpg

banner_windows.jpg

345 ms

banner_gpudirect.jpg

banner_gpudirect.jpg

349 ms

banner_arm2.jpg

banner_arm2.jpg

208 ms

banner_openpower.jpg

banner_openpower.jpg

347 ms

product-selector_banner_big.jpg

product-selector_banner_big.jpg

282 ms

play.png

play.png

350 ms

ch_social2.png

ch_social2.png

354 ms

header-bg.jpg

header-bg.jpg

409 ms

nav-bg.png

nav-bg.png

409 ms

product-menu-bg-cut-3.jpg

product-menu-bg-cut-3.jpg

413 ms

search-button.png

search-button.png

413 ms

all.js

all.js

11 ms

all.js

all.js

4 ms

bullet.png

bullet.png

289 ms

content-top.jpg

content-top.jpg

292 ms

home-box-big.png

home-box-big.png

346 ms

post-bullet.png

post-bullet.png

356 ms

readmore.png

readmore.png

359 ms

home-box-sm1.png

home-box-sm1.png

360 ms

content-bottom.jpg

content-bottom.jpg

350 ms

controls.png

controls.png

309 ms

Accessibility Review

chelsio.com accessibility score

69

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.

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

chelsio.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

chelsio.com SEO score

57

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Chelsio.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 Chelsio.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

chelsio.com

Open Graph data is detected on the main page of Chelsio. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: