Tools & Wizards About Us
cd4car.com screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

cd4car.com

OEM Factory Original Car Audio Radio Stereo DVD Player Navigation Replacement and Repair

Page Load Speed

2.5 sec in total

First Response

206 ms

Resources Loaded

2 sec

Page Rendered

269 ms

cd4car.com screenshot

About Website

Click here to check amazing Cd4 Car content for United States. Otherwise, check out these important facts you probably never knew about cd4car.com

car audio, car stereo, car radio, car dvd player, car dvd screen, car amplifier, car mp3 player, car cd player, car 6 cd changer, navigation system, car navigation, oem car audio, original car audio, ...

Visit cd4car.com

Key Findings

We analyzed Cd4car.com page load time and found that the first response time was 206 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

cd4car.com performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

cd4car.com

206 ms

cd4car.com

495 ms

theme-bundle.polyfills.js

304 ms

theme-bundle.head_async.js

304 ms

css

302 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 6% of them (3 requests) were addressed to the original Cd4car.com, 63% (32 requests) were made to Cdn11.bigcommerce.com and 18% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Apacatapult.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 210.1 kB (22%)

Content Size

966.2 kB

After Optimization

756.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cd4car.com main page is 966.2 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. 70% of websites need less resources to load. Images take 680.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 206.9 kB

  • Original 268.1 kB
  • After minification 239.6 kB
  • After compression 61.1 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 28.5 kB, which is 11% 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 206.9 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 3.0 kB

  • Original 680.6 kB
  • After minification 677.6 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. Cd4 Car images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 78 B

  • Original 17.4 kB
  • After minification 17.4 kB
  • After compression 17.4 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.

Requests Breakdown

Number of requests can be reduced by 10 (27%)

Requests Now

37

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cd4 Car. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cd4car.com

cd4car.com

206 ms

cd4car.com

cd4car.com

495 ms

theme-bundle.polyfills.js

theme-bundle.polyfills.js

304 ms

theme-bundle.head_async.js

theme-bundle.head_async.js

304 ms

css

css

302 ms

theme-daa05af0-c159-0139-a797-1af51cdd36d1.css

theme-daa05af0-c159-0139-a797-1af51cdd36d1.css

297 ms

apa_autocomplete.min.js

apa_autocomplete.min.js

957 ms

apa_angular.min.js

apa_angular.min.js

1144 ms

apa_autocomplete_home.min.js

apa_autocomplete_home.min.js

1023 ms

theme-bundle.main.js

theme-bundle.main.js

255 ms

theme-bundle.chunk.vendors.js

theme-bundle.chunk.vendors.js

253 ms

csrf-protection-header-b572e5526f6854c73a5e080ef15a771f963740ae.js

csrf-protection-header-b572e5526f6854c73a5e080ef15a771f963740ae.js

648 ms

visitor_stencil.js

visitor_stencil.js

705 ms

css2

css2

400 ms

ga.js

ga.js

348 ms

img-1.png

img-1.png

217 ms

img-2.png

img-2.png

289 ms

img-3.png

img-3.png

292 ms

img-4.png

img-4.png

288 ms

img-5.png

img-5.png

215 ms

logo.png

logo.png

291 ms

banner.jpg

banner.jpg

311 ms

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000__99308.1645200493.jpg

289 ms

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314 ms

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000__55578.1652728988.jpg

313 ms

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348 ms

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878__33187.1632509144.jpg

347 ms

Ni219U_Banner__87609.1543645797.jpg

Ni219U_Banner__87609.1543645797.jpg

349 ms

1__79337.1342448096.jpg

1__79337.1342448096.jpg

348 ms

sdsd__99874.1636044331.jpg

sdsd__99874.1636044331.jpg

346 ms

C061VTN01.0__85526.1664421186.jpg

C061VTN01.0__85526.1664421186.jpg

472 ms

lb070wv7-td01__91326.1664390739.jpg

lb070wv7-td01__91326.1664390739.jpg

380 ms

000__22066.1664390527.jpg

000__22066.1664390527.jpg

379 ms

000__55883.1664387228.jpg

000__55883.1664387228.jpg

378 ms

KFOmCnqEu92Fr1Me5Q.ttf

KFOmCnqEu92Fr1Me5Q.ttf

223 ms

KFOlCnqEu92Fr1MmEU9vAw.ttf

KFOlCnqEu92Fr1MmEU9vAw.ttf

267 ms

KFOlCnqEu92Fr1MmSU5vAw.ttf

KFOlCnqEu92Fr1MmSU5vAw.ttf

272 ms

KFOlCnqEu92Fr1MmWUlvAw.ttf

KFOlCnqEu92Fr1MmWUlvAw.ttf

271 ms

KFOlCnqEu92Fr1MmYUtvAw.ttf

KFOlCnqEu92Fr1MmYUtvAw.ttf

271 ms

emthemesmodezicons.ttf

emthemesmodezicons.ttf

251 ms

7cHqv4kjgoGqM7E30-8s51op.ttf

7cHqv4kjgoGqM7E30-8s51op.ttf

268 ms

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267 ms

7cHqv4kjgoGqM7E3_-gs51op.ttf

7cHqv4kjgoGqM7E3_-gs51op.ttf

268 ms

7cHpv4kjgoGqM7E_DMs8.ttf

7cHpv4kjgoGqM7E_DMs8.ttf

271 ms

bg-footer.jpg

bg-footer.jpg

188 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

191 ms

__utm.gif

__utm.gif

59 ms

index.php

index.php

129 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

62 ms

theme-bundle.chunk.12.js

theme-bundle.chunk.12.js

60 ms

icon-sprite.svg

icon-sprite.svg

36 ms

Accessibility Review

cd4car.com accessibility score

90

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cd4car.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

High

Page has valid source maps

SEO Factors

cd4car.com SEO score

93

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

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 Cd4car.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 Cd4car.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

cd4car.com

Open Graph description is not detected on the main page of Cd4 Car. 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: