Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

rsg-ontop.com

Standby RSG UK | Emergency & Response Vehicle Lighting

Page Load Speed

7.5 sec in total

First Response

315 ms

Resources Loaded

7 sec

Page Rendered

205 ms

rsg-ontop.com screenshot

About Website

Welcome to rsg-ontop.com homepage info - get ready to check RSG Ontop best content for United Kingdom right away, or after learning these important things about rsg-ontop.com

Standby RSG UK are one of the market leaders in emergency vehicle lighting products and solutions in the UK. Please call 01543 438800 for more information.

Visit rsg-ontop.com

Key Findings

We analyzed Rsg-ontop.com page load time and found that the first response time was 315 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

rsg-ontop.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

13/100

25%

SI (Speed Index)

Value8.1 s

20/100

10%

TBT (Total Blocking Time)

Value2,720 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value23.2 s

1/100

10%

Network Requests Diagram

rsg-ontop.com

315 ms

www.rsg-ontop.com

395 ms

common.css

166 ms

lytebox.js

179 ms

lytebox.css

176 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that 97% of them (128 requests) were addressed to the original Rsg-ontop.com, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Geoplugin.net. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Rsg-ontop.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 445.0 kB (15%)

Content Size

3.0 MB

After Optimization

2.6 MB

In fact, the total size of Rsg-ontop.com main page is 3.0 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. 30% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 50.1 kB

  • Original 59.5 kB
  • After minification 54.3 kB
  • After compression 9.4 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 50.1 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 88.1 kB

  • Original 2.5 MB
  • After minification 2.5 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. RSG Ontop images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 280.4 kB

  • Original 407.3 kB
  • After minification 388.9 kB
  • After compression 126.9 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 280.4 kB or 69% of the original size.

CSS Optimization

-80%

Potential reduce by 26.3 kB

  • Original 32.8 kB
  • After minification 26.5 kB
  • After compression 6.5 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. Rsg-ontop.com needs all CSS files to be minified and compressed as it can save up to 26.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 62 (48%)

Requests Now

130

After Optimization

68

The browser has sent 130 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RSG Ontop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rsg-ontop.com accessibility score

76

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

High

Links do not have a discernible name

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

Some elements have a [tabindex] value greater than 0

Best Practices

rsg-ontop.com best practices score

83

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

Page has valid source maps

SEO Factors

rsg-ontop.com SEO score

86

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rsg-ontop.com 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 Rsg-ontop.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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