Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

coopertires.com

Tires for Cars, Minivans, SUVs, and Trucks | Cooper Tire

Page Load Speed

3.4 sec in total

First Response

54 ms

Resources Loaded

2.7 sec

Page Rendered

614 ms

About Website

Visit coopertires.com now to see the best up-to-date Cooper Tires content and also check out these interesting facts you probably never knew about coopertires.com

At Cooper®, we do more than make quality tires. We provide peace of mind at a fair price you can trust. We do this because we believe everyone deserves to travel with confidence.

Visit coopertires.com

Key Findings

We analyzed Coopertires.com page load time and found that the first response time was 54 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

coopertires.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value12.8 s

3/100

10%

TBT (Total Blocking Time)

Value2,730 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.129

82/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

Network Requests Diagram

coopertires.com

54 ms

www.coopertire.com

1694 ms

global.css

150 ms

storePage.css

95 ms

rollFleet.css

13 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Coopertires.com, 81% (54 requests) were made to Coopertire.com and 6% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Coopertire.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.0 MB (74%)

Content Size

5.4 MB

After Optimization

1.4 MB

In fact, the total size of Coopertires.com main page is 5.4 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. 70% of websites need less resources to load. Javascripts take 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 161.3 kB

  • Original 207.3 kB
  • After minification 204.7 kB
  • After compression 46.0 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 161.3 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 2.4 kB

  • Original 199.1 kB
  • After minification 196.7 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. Cooper Tires images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 3.8 MB

  • Original 4.8 MB
  • After minification 4.8 MB
  • After compression 983.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 3.8 MB or 79% of the original size.

CSS Optimization

-4%

Potential reduce by 8.7 kB

  • Original 203.3 kB
  • After minification 203.0 kB
  • After compression 194.6 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. Coopertires.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (49%)

Requests Now

61

After Optimization

31

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cooper Tires. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

coopertires.com accessibility score

87

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-hidden="true"] elements contain focusable descendents

High

[role]s do not have all required [aria-*] attributes

High

ARIA IDs are not unique

Best Practices

coopertires.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

coopertires.com SEO score

85

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

    EN

  • Encoding

    UTF-8

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

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