Tools & Wizards About Us
johnroberts.co.uk screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

johnroberts.co.uk

John Roberts & Co | Estate agents based in Herts | Home

Page Load Speed

5.2 sec in total

First Response

756 ms

Resources Loaded

4.2 sec

Page Rendered

298 ms

johnroberts.co.uk screenshot

About Website

Visit johnroberts.co.uk now to see the best up-to-date John Roberts content and also check out these interesting facts you probably never knew about johnroberts.co.uk

Renowned in Chorleywood and Rickmansworth for our positive approach and professionalism, we at John Roberts & Co have an unrivalled reputation that ensures an ever-growing client list and keeps custom...

Visit johnroberts.co.uk

Key Findings

We analyzed Johnroberts.co.uk page load time and found that the first response time was 756 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

johnroberts.co.uk performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.398

25/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

www.johnroberts.co.uk

756 ms

js

117 ms

combine

1569 ms

analytics.js

34 ms

css

43 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Johnroberts.co.uk, 54% (14 requests) were made to 1-content-s3-estateweb.s3.amazonaws.com and 12% (3 requests) were made to S3.estateweb.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source S3.estateweb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 354.3 kB (4%)

Content Size

10.0 MB

After Optimization

9.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Johnroberts.co.uk main page is 10.0 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. 20% of websites need less resources to load. Images take 9.6 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 105.8 kB

  • Original 119.0 kB
  • After minification 102.7 kB
  • After compression 13.2 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 16.3 kB, which is 14% 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 105.8 kB or 89% of the original size.

Image Optimization

-3%

Potential reduce by 248.5 kB

  • Original 9.6 MB
  • After minification 9.3 MB

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. John Roberts images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 101.4 kB
  • After minification 101.4 kB
  • After compression 101.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 189.3 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.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

21

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of John Roberts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.johnroberts.co.uk

www.johnroberts.co.uk

756 ms

js

js

117 ms

combine

combine

1569 ms

analytics.js

analytics.js

34 ms

css

css

43 ms

combine

combine

1969 ms

collect

collect

127 ms

logo.png

logo.png

785 ms

pFFLogo.png

pFFLogo.png

483 ms

font

font

29 ms

font

font

45 ms

js

js

81 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

642 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

543 ms

Affiliates.ttf

Affiliates.ttf

619 ms

1.jpg

1.jpg

588 ms

1.jpg

1.jpg

592 ms

1.jpg

1.jpg

1010 ms

1.jpg

1.jpg

485 ms

1.jpg

1.jpg

529 ms

1.jpg

1.jpg

584 ms

139543915%20(Large)_12-04-2018-10-58-59.jpg

139543915%20(Large)_12-04-2018-10-58-59.jpg

674 ms

shutterstock_404364997%20(Large)_12-04-2018-10-58-59.jpg

shutterstock_404364997%20(Large)_12-04-2018-10-58-59.jpg

667 ms

ThinkstockPhotos-496276898%20(Large)_12-04-2018-10-58-59.jpg

ThinkstockPhotos-496276898%20(Large)_12-04-2018-10-58-59.jpg

710 ms

preloader-white.gif

preloader-white.gif

90 ms

rs-arrow.png

rs-arrow.png

607 ms

Accessibility Review

johnroberts.co.uk accessibility score

65

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 input fields do not have accessible names

High

ARIA IDs are not unique

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

[id] attributes on active, focusable elements are not unique

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

johnroberts.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

Missing source maps for large first-party JavaScript

SEO Factors

johnroberts.co.uk SEO score

77

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

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

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 Johnroberts.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 Johnroberts.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

johnroberts.co.uk

Open Graph description is not detected on the main page of John Roberts. 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: