Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 64% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 71

    SEO

    Google-friendlier than
    39% of websites

robertson.co.uk

Home Page | Robertson

Page Load Speed

2.5 sec in total

First Response

768 ms

Resources Loaded

1.4 sec

Page Rendered

253 ms

robertson.co.uk screenshot

About Website

Welcome to robertson.co.uk homepage info - get ready to check Robertson best content for United Kingdom right away, or after learning these important things about robertson.co.uk

Visit robertson.co.uk

Key Findings

We analyzed Robertson.co.uk page load time and found that the first response time was 768 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

robertson.co.uk performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

robertson.co.uk

768 ms

node.css

162 ms

defaults.css

158 ms

system.css

159 ms

user.css

161 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 90% of them (35 requests) were addressed to the original Robertson.co.uk, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (768 ms) belongs to the original domain Robertson.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 146.4 kB (56%)

Content Size

262.2 kB

After Optimization

115.9 kB

In fact, the total size of Robertson.co.uk main page is 262.2 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. 20% of websites need less resources to load. Javascripts take 132.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 16.5 kB

  • Original 21.6 kB
  • After minification 20.7 kB
  • After compression 5.1 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. 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 16.5 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 1.2 kB

  • Original 53.8 kB
  • After minification 52.6 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. Robertson images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 84.3 kB

  • Original 132.6 kB
  • After minification 124.3 kB
  • After compression 48.3 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 84.3 kB or 64% of the original size.

CSS Optimization

-82%

Potential reduce by 44.3 kB

  • Original 54.2 kB
  • After minification 39.5 kB
  • After compression 9.9 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. Robertson.co.uk needs all CSS files to be minified and compressed as it can save up to 44.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (76%)

Requests Now

38

After Optimization

9

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robertson. 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 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

robertson.co.uk accessibility score

83

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

Image elements do not have [alt] attributes

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

robertson.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

robertson.co.uk SEO score

71

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

High

Image elements do not have [alt] attributes

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 Robertson.co.uk 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 Robertson.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 Robertson. 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: