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rczm.co.uk screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

rczm.co.uk

Sustainable Building Performance and Design by RCZM

Page Load Speed

3.1 sec in total

First Response

177 ms

Resources Loaded

1.6 sec

Page Rendered

1.3 sec

rczm.co.uk screenshot

About Website

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

for architectural performance design using environmental impact, low carbon, simulation and post-occupancy analysis

Visit rczm.co.uk

Key Findings

We analyzed Rczm.co.uk page load time and found that the first response time was 177 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

rczm.co.uk performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.166

71/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

rczm.co.uk

177 ms

all-stylesheet.css

74 ms

jquery-1.11.0.min.js

73 ms

bootstrap.min.js

82 ms

jquery.appear.js

71 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 91% of them (93 requests) were addressed to the original Rczm.co.uk, 2% (2 requests) were made to Count.carrierzone.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (896 ms) belongs to the original domain Rczm.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (11%)

Content Size

14.6 MB

After Optimization

13.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rczm.co.uk main page is 14.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 14.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 74.4 kB

  • Original 90.6 kB
  • After minification 76.8 kB
  • After compression 16.2 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 13.8 kB, which is 15% 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 74.4 kB or 82% of the original size.

Image Optimization

-10%

Potential reduce by 1.4 MB

  • Original 14.2 MB
  • After minification 12.8 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. RCZM images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 83.0 kB

  • Original 231.6 kB
  • After minification 219.2 kB
  • After compression 148.6 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 83.0 kB or 36% of the original size.

CSS Optimization

-14%

Potential reduce by 6.8 kB

  • Original 48.0 kB
  • After minification 48.0 kB
  • After compression 41.2 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. Rczm.co.uk needs all CSS files to be minified and compressed as it can save up to 6.8 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (34%)

Requests Now

98

After Optimization

65

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RCZM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rczm.co.uk

rczm.co.uk

177 ms

all-stylesheet.css

all-stylesheet.css

74 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

73 ms

bootstrap.min.js

bootstrap.min.js

82 ms

jquery.appear.js

jquery.appear.js

71 ms

contact-form.js

contact-form.js

67 ms

ekko-lightbox.js

ekko-lightbox.js

67 ms

jquery.isotope.min.js

jquery.isotope.min.js

95 ms

custom-isotope.js

custom-isotope.js

99 ms

jquery.themepunch.plugins.min.js

jquery.themepunch.plugins.min.js

181 ms

jquery.themepunch.revolution.js

jquery.themepunch.revolution.js

211 ms

owl.carousel.js

owl.carousel.js

106 ms

custom.js

custom.js

116 ms

script.js

script.js

125 ms

jquery.scrollTo.js

jquery.scrollTo.js

129 ms

jquery.nav.js

jquery.nav.js

138 ms

jquery.sticky.js

jquery.sticky.js

148 ms

jquery.donutchart.js

jquery.donutchart.js

155 ms

SmoothScroll.js

SmoothScroll.js

162 ms

retina.js

retina.js

171 ms

jquery.fitvids.js

jquery.fitvids.js

177 ms

count.js

count.js

222 ms

css

css

16 ms

bootstrap.min.css

bootstrap.min.css

239 ms

stylesheet.css

stylesheet.css

216 ms

hide-show.css

hide-show.css

180 ms

animate.min.css

animate.min.css

245 ms

ekko-lightbox.css

ekko-lightbox.css

188 ms

font-awesome.css

font-awesome.css

234 ms

font-awesome.min.css

font-awesome.min.css

224 ms

owl.carousel.css

owl.carousel.css

218 ms

owl.theme.css

owl.theme.css

249 ms

isotope-style.css

isotope-style.css

250 ms

settings.css

settings.css

299 ms

analytics.js

analytics.js

75 ms

progress.gif

progress.gif

58 ms

1.jpg

1.jpg

606 ms

transparent.png

transparent.png

59 ms

logo-big.png

logo-big.png

57 ms

timer.png

timer.png

59 ms

light-grey-noise.gif

light-grey-noise.gif

58 ms

8.jpg

8.jpg

134 ms

2.jpg

2.jpg

134 ms

3.jpg

3.jpg

288 ms

4.jpg

4.jpg

288 ms

5.jpg

5.jpg

287 ms

6.jpg

6.jpg

290 ms

7.jpg

7.jpg

289 ms

1.jpg

1.jpg

366 ms

2.jpg

2.jpg

290 ms

3.jpg

3.jpg

293 ms

1.jpg

1.jpg

774 ms

001.png

001.png

374 ms

002.png

002.png

647 ms

003.png

003.png

759 ms

004.png

004.png

640 ms

006.png

006.png

624 ms

007.png

007.png

713 ms

008.png

008.png

754 ms

009.png

009.png

724 ms

010.png

010.png

751 ms

011.png

011.png

772 ms

012.png

012.png

756 ms

013.png

013.png

807 ms

014.png

014.png

809 ms

015.png

015.png

815 ms

016.png

016.png

896 ms

3.jpg

3.jpg

853 ms

1.jpg

1.jpg

814 ms

2.jpg

2.jpg

841 ms

3.jpg

3.jpg

794 ms

4.jpg

4.jpg

793 ms

1.png

1.png

801 ms

2.png

2.png

872 ms

3.png

3.png

840 ms

font

font

225 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

820 ms

collect

collect

211 ms

4.png

4.png

766 ms

ctin.php

ctin.php

126 ms

5.png

5.png

657 ms

collect

collect

104 ms

js

js

127 ms

6.png

6.png

649 ms

7.png

7.png

639 ms

1.png

1.png

639 ms

2.png

2.png

638 ms

3.png

3.png

656 ms

4.png

4.png

662 ms

5.png

5.png

622 ms

6.png

6.png

584 ms

7.png

7.png

592 ms

ga-audiences

ga-audiences

48 ms

8.png

8.png

367 ms

9.png

9.png

350 ms

2.jpg

2.jpg

407 ms

4.jpg

4.jpg

338 ms

loader.gif

loader.gif

271 ms

gridtile.png

gridtile.png

271 ms

bullet.png

bullet.png

250 ms

large_left.png

large_left.png

250 ms

large_right.png

large_right.png

257 ms

Accessibility Review

rczm.co.uk accessibility score

85

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

rczm.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

SEO Factors

rczm.co.uk SEO score

92

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

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 Rczm.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 Rczm.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

rczm.co.uk

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