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rwc.co.uk screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

rwc.co.uk

World-leading water control valves | Reliance Valves

Page Load Speed

2.1 sec in total

First Response

33 ms

Resources Loaded

1.2 sec

Page Rendered

835 ms

rwc.co.uk screenshot

About Website

Click here to check amazing Rwc content. Otherwise, check out these important facts you probably never knew about rwc.co.uk

Our water control valves protect and safeguard hot and cold water systems, creating safe and comfortable spaces. Explore our range and talk to the experts today

Visit rwc.co.uk

Key Findings

We analyzed Rwc.co.uk page load time and found that the first response time was 33 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

rwc.co.uk performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

rwc.co.uk

33 ms

en

905 ms

css_470mKbkv4-PzIiOzoNZmv0OoPChc-SxX47TjMipoXrs.css

34 ms

css_t9JPoevphyqN6eM6MwJGBK9tYEnOnl4t5-CeRbNVCdw.css

67 ms

logo.svg

56 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Rwc.co.uk, 93% (26 requests) were made to Reliancevalves.com and 4% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (905 ms) relates to the external source Reliancevalves.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.0 kB (11%)

Content Size

967.7 kB

After Optimization

864.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rwc.co.uk main page is 967.7 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. 30% of websites need less resources to load. Images take 775.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 100.5 kB

  • Original 123.8 kB
  • After minification 123.8 kB
  • After compression 23.3 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 100.5 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 38 B

  • Original 775.0 kB
  • After minification 774.9 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. Rwc images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 38 B

  • Original 64.7 kB
  • After minification 64.7 kB
  • After compression 64.7 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

-56%

Potential reduce by 2.4 kB

  • Original 4.3 kB
  • After minification 2.0 kB
  • After compression 1.9 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. Rwc.co.uk needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (15%)

Requests Now

26

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rwc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rwc.co.uk

rwc.co.uk

33 ms

en

en

905 ms

css_470mKbkv4-PzIiOzoNZmv0OoPChc-SxX47TjMipoXrs.css

css_470mKbkv4-PzIiOzoNZmv0OoPChc-SxX47TjMipoXrs.css

34 ms

css_t9JPoevphyqN6eM6MwJGBK9tYEnOnl4t5-CeRbNVCdw.css

css_t9JPoevphyqN6eM6MwJGBK9tYEnOnl4t5-CeRbNVCdw.css

67 ms

logo.svg

logo.svg

56 ms

rv_tempcontrol_v2_1433x800px.jpg

rv_tempcontrol_v2_1433x800px.jpg

54 ms

rv_flowcontrol_image_1433x800px.jpg

rv_flowcontrol_image_1433x800px.jpg

51 ms

heating_image3_1433x1000px.jpg

heating_image3_1433x1000px.jpg

98 ms

tenant-valve-advance-thumb.jpg

tenant-valve-advance-thumb.jpg

58 ms

oem_image_1433x800px.jpg

oem_image_1433x800px.jpg

98 ms

flow_control_icon_no_background_blue.svg

flow_control_icon_no_background_blue.svg

100 ms

shield_protection-sharkbite-air-icon_yellow.svg

shield_protection-sharkbite-air-icon_yellow.svg

98 ms

safeguards_people_and_property_blue.svg

safeguards_people_and_property_blue.svg

99 ms

saving_water_on_yellow_rgb.svg

saving_water_on_yellow_rgb.svg

102 ms

valve_3_icon_3.svg

valve_3_icon_3.svg

107 ms

versatile_solutions_icon_yellow.svg

versatile_solutions_icon_yellow.svg

109 ms

rwc-emea-brands-sbs_john-guest-on-dark-blue-equal-width.svg

rwc-emea-brands-sbs_john-guest-on-dark-blue-equal-width.svg

111 ms

rwc-emea-brands-sbs_reliance-valves-on-dark-blue-equal-width.svg

rwc-emea-brands-sbs_reliance-valves-on-dark-blue-equal-width.svg

110 ms

rwc-emea-brands-sbs_sharkbite-on-dark-blue-equal-width.svg

rwc-emea-brands-sbs_sharkbite-on-dark-blue-equal-width.svg

113 ms

rv_history_images_1433x800px.jpg

rv_history_images_1433x800px.jpg

141 ms

rv_Contactus2_image_1433x800px.jpg

rv_Contactus2_image_1433x800px.jpg

131 ms

Commercial-Valves-Redox-Ball-Valve.jpg

Commercial-Valves-Redox-Ball-Valve.jpg

140 ms

MultiSafe%20Valve_0.jpg

MultiSafe%20Valve_0.jpg

134 ms

js_NOeNFsVBu58zzjUU7CP3k0n0Ceh7YkDiPcOkqPDnqxA.js

js_NOeNFsVBu58zzjUU7CP3k0n0Ceh7YkDiPcOkqPDnqxA.js

153 ms

gtm.js

gtm.js

137 ms

gtag.js

gtag.js

162 ms

js_kmJBsObioUkEfr1JHKgr5LdCJz0Xps3SLBwxQYszGGA.js

js_kmJBsObioUkEfr1JHKgr5LdCJz0Xps3SLBwxQYszGGA.js

164 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

95 ms

Accessibility Review

rwc.co.uk accessibility score

100

Accessibility Issues

Best Practices

rwc.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

rwc.co.uk SEO score

100

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 Rwc.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 Rwc.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

rwc.co.uk

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