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celloseattle.com screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

celloseattle.com

Home Theater Engineering and Installation - Cello Technologies Seattle

Page Load Speed

1.1 sec in total

First Response

158 ms

Resources Loaded

801 ms

Page Rendered

120 ms

celloseattle.com screenshot

About Website

Welcome to celloseattle.com homepage info - get ready to check Cello Seattle best content right away, or after learning these important things about celloseattle.com

Cello Technologies Seattle is the Northwest's only nationally and internationally recognized Home Theater Design, Engineering and Installation firm. Cello specializes in designing and installing home ...

Visit celloseattle.com

Key Findings

We analyzed Celloseattle.com page load time and found that the first response time was 158 ms and then it took 921 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

celloseattle.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

79/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

celloseattle.com

158 ms

celloseattle.com

261 ms

svMain.css

66 ms

ga.js

23 ms

toplines.jpg

126 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 87% of them (13 requests) were addressed to the original Celloseattle.com, 13% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (309 ms) belongs to the original domain Celloseattle.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.7 kB (11%)

Content Size

175.7 kB

After Optimization

157.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Celloseattle.com main page is 175.7 kB. 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 136.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 14.7 kB

  • Original 18.4 kB
  • After minification 14.8 kB
  • After compression 3.6 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 3.5 kB, which is 19% 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 14.7 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 2.3 kB

  • Original 136.1 kB
  • After minification 133.8 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. Cello Seattle images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-40%

Potential reduce by 1.6 kB

  • Original 4.0 kB
  • After minification 4.0 kB
  • After compression 2.4 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. Celloseattle.com needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 40% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cello Seattle. According to our analytics all requests are already optimized.

Network Requests Diagram

celloseattle.com

celloseattle.com

158 ms

celloseattle.com

celloseattle.com

261 ms

svMain.css

svMain.css

66 ms

ga.js

ga.js

23 ms

toplines.jpg

toplines.jpg

126 ms

Celebrating40YearsTop.jpg

Celebrating40YearsTop.jpg

255 ms

hometheater.jpg

hometheater.jpg

253 ms

cellologo.png

cellologo.png

249 ms

cellologo.gif

cellologo.gif

187 ms

toppageparts.jpg

toppageparts.jpg

253 ms

facebook.jpg

facebook.jpg

185 ms

googleplus.jpg

googleplus.jpg

249 ms

youtube.jpg

youtube.jpg

252 ms

copyright2024.jpg

copyright2024.jpg

309 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

celloseattle.com accessibility score

94

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.

Best Practices

celloseattle.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

celloseattle.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Celloseattle.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 Celloseattle.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

celloseattle.com

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