Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

cotel.co.uk

Plastic & Metal Components Manufacturers & Suppliers | Cotel

Page Load Speed

4.4 sec in total

First Response

292 ms

Resources Loaded

3.5 sec

Page Rendered

621 ms

cotel.co.uk screenshot

About Website

Click here to check amazing Cotel content for United Kingdom. Otherwise, check out these important facts you probably never knew about cotel.co.uk

We are manufacturers & stockists of metal & plastic components for industrial & commercial applications. Browse our range of products & order online today.

Visit cotel.co.uk

Key Findings

We analyzed Cotel.co.uk page load time and found that the first response time was 292 ms and then it took 4.1 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

cotel.co.uk performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value10,200 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.285

42/100

15%

TTI (Time to Interactive)

Value20.1 s

2/100

10%

Network Requests Diagram

cotel.co.uk

292 ms

www.cotel.co.uk

1297 ms

base.css

97 ms

style.css

277 ms

responsive.css

400 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 69% of them (57 requests) were addressed to the original Cotel.co.uk, 8% (7 requests) were made to Maps.google.com and 5% (4 requests) were made to Fast.fonts.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Cotel.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 87.1 kB (12%)

Content Size

753.5 kB

After Optimization

666.3 kB

In fact, the total size of Cotel.co.uk main page is 753.5 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. 65% of websites need less resources to load. Javascripts take 364.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 38.0 kB

  • Original 48.6 kB
  • After minification 39.5 kB
  • After compression 10.6 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 9.1 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 38.0 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 184 B

  • Original 323.0 kB
  • After minification 322.8 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. Cotel images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 44.0 kB

  • Original 364.4 kB
  • After minification 364.2 kB
  • After compression 320.4 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 44.0 kB or 12% of the original size.

CSS Optimization

-28%

Potential reduce by 4.9 kB

  • Original 17.4 kB
  • After minification 17.1 kB
  • After compression 12.5 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. Cotel.co.uk needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (61%)

Requests Now

76

After Optimization

30

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cotel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cotel.co.uk accessibility score

92

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

button, link, and menuitem elements do not have accessible names.

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

cotel.co.uk best practices score

75

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

SEO Factors

cotel.co.uk SEO score

62

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

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cotel.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cotel.co.uk 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 Cotel. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: