Tools & Wizards About Us

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

cocdata.eu

CocData - Certificate of Conformity for vehicles (COC)

Page Load Speed

6.7 sec in total

First Response

238 ms

Resources Loaded

6.2 sec

Page Rendered

266 ms

About Website

Visit cocdata.eu now to see the best up-to-date COC Data content and also check out these interesting facts you probably never knew about cocdata.eu

Order the official and original certificate of conformity (COC) with CocData for your vehicle - First class in the certification services.

Visit cocdata.eu

Key Findings

We analyzed Cocdata.eu page load time and found that the first response time was 238 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

cocdata.eu performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

cocdata.eu

238 ms

cocdata.eu

553 ms

www.cocdata.eu

891 ms

en

1800 ms

webfont.js

141 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 97% of them (65 requests) were addressed to the original Cocdata.eu, 1% (1 request) were made to Fonts.googleapis.com and 1% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Cocdata.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 188.5 kB (53%)

Content Size

357.6 kB

After Optimization

169.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cocdata.eu main page is 357.6 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. 35% of websites need less resources to load. Javascripts take 134.5 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 83.8 kB

  • Original 92.3 kB
  • After minification 66.1 kB
  • After compression 8.4 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 26.1 kB, which is 28% 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 83.8 kB or 91% of the original size.

Image Optimization

-5%

Potential reduce by 4.8 kB

  • Original 106.0 kB
  • After minification 101.2 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. COC Data images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 79.6 kB

  • Original 134.5 kB
  • After minification 122.5 kB
  • After compression 54.9 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 79.6 kB or 59% of the original size.

CSS Optimization

-81%

Potential reduce by 20.2 kB

  • Original 24.8 kB
  • After minification 19.2 kB
  • After compression 4.6 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. Cocdata.eu needs all CSS files to be minified and compressed as it can save up to 20.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (19%)

Requests Now

62

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COC Data. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cocdata.eu accessibility score

87

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

cocdata.eu 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cocdata.eu SEO score

97

Search Engine Optimization Advices

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 Cocdata.eu 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 Cocdata.eu 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 data is detected on the main page of COC Data. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: