Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

rcsystemsco.com

Custom Gas Detection and Alarm Control Systems | RC Systems

Page Load Speed

2.5 sec in total

First Response

158 ms

Resources Loaded

1.8 sec

Page Rendered

540 ms

rcsystemsco.com screenshot

About Website

Visit rcsystemsco.com now to see the best up-to-date RC Systems Co content and also check out these interesting facts you probably never knew about rcsystemsco.com

RC Systems is a global leader in Oxygen Detection, Toxic Gas Detection, Combustible Gas Detection and Alarm Control systems.

Visit rcsystemsco.com

Key Findings

We analyzed Rcsystemsco.com page load time and found that the first response time was 158 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rcsystemsco.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value4,360 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.078

94/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

rcsystemsco.com

158 ms

www.rcsystemsco.com

583 ms

css

125 ms

font-awesome.min.css

84 ms

6aez4K2oVqwIvtU2Gg.ttf

67 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 63% of them (20 requests) were addressed to the original Rcsystemsco.com, 13% (4 requests) were made to Google-analytics.com and 6% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (784 ms) belongs to the original domain Rcsystemsco.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 589.7 kB (20%)

Content Size

2.9 MB

After Optimization

2.3 MB

In fact, the total size of Rcsystemsco.com main page is 2.9 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. 60% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 581.3 kB

  • Original 775.5 kB
  • After minification 769.6 kB
  • After compression 194.3 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 581.3 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 8.3 kB

  • Original 2.1 MB
  • After minification 2.1 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. RC Systems Co images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 93 B

  • Original 65.3 kB
  • After minification 65.3 kB
  • After compression 65.2 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.

Requests Breakdown

Number of requests can be reduced by 4 (14%)

Requests Now

28

After Optimization

24

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RC Systems Co. 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.

Accessibility Review

rcsystemsco.com accessibility score

82

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

rcsystemsco.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rcsystemsco.com SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

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 Rcsystemsco.com 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 Rcsystemsco.com 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 RC Systems Co. 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: