Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 55

    SEO

    Google-friendlier than
    20% of websites

Page Load Speed

3.1 sec in total

First Response

369 ms

Resources Loaded

2 sec

Page Rendered

758 ms

mercuro.co.uk screenshot

About Website

Welcome to mercuro.co.uk homepage info - get ready to check Mercuro best content right away, or after learning these important things about mercuro.co.uk

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Key Findings

We analyzed Mercuro.co.uk page load time and found that the first response time was 369 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

mercuro.co.uk performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

mercuro.co.uk

369 ms

css

55 ms

css

70 ms

style.css

110 ms

menusm.css

251 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 62% of them (40 requests) were addressed to the original Mercuro.co.uk, 12% (8 requests) were made to Apis.google.com and 6% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (854 ms) belongs to the original domain Mercuro.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 890.0 kB (66%)

Content Size

1.3 MB

After Optimization

455.2 kB

In fact, the total size of Mercuro.co.uk main page is 1.3 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. 45% of websites need less resources to load. Javascripts take 958.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 39.6 kB

  • Original 54.3 kB
  • After minification 51.5 kB
  • After compression 14.7 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 39.6 kB or 73% of the original size.

Image Optimization

-16%

Potential reduce by 35.5 kB

  • Original 220.6 kB
  • After minification 185.1 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. Obviously, Mercuro needs image optimization as it can save up to 35.5 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 718.8 kB

  • Original 958.9 kB
  • After minification 814.0 kB
  • After compression 240.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 718.8 kB or 75% of the original size.

CSS Optimization

-86%

Potential reduce by 96.1 kB

  • Original 111.5 kB
  • After minification 79.9 kB
  • After compression 15.4 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. Mercuro.co.uk needs all CSS files to be minified and compressed as it can save up to 96.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (63%)

Requests Now

60

After Optimization

22

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mercuro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mercuro.co.uk accessibility score

50

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

Document doesn't have a <title> element

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

mercuro.co.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

mercuro.co.uk SEO score

55

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

Document doesn't have a <title> element

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mercuro.co.uk can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Mercuro.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 description is not detected on the main page of Mercuro. 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: