606 ms in total
138 ms
303 ms
165 ms
Visit rc-systems.com now to see the best up-to-date Rc Systems content and also check out these interesting facts you probably never knew about rc-systems.com
Renaissance Communications Systems has designed, engineered, installed and maintained low-voltage, analog, and IP based systems including intercom systems and fire alarms, access control units and IP ...
Visit rc-systems.comWe analyzed Rc-systems.com page load time and found that the first response time was 138 ms and then it took 468 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.
rc-systems.com performance score
name
value
score
weighting
Value1.3 s
98/100
10%
Value3.0 s
79/100
25%
Value1.3 s
100/100
10%
Value30 ms
100/100
30%
Value0.112
87/100
15%
Value2.7 s
97/100
10%
138 ms
36 ms
43 ms
45 ms
46 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 94% of them (33 requests) were addressed to the original Rc-systems.com, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (138 ms) belongs to the original domain Rc-systems.com.
Page size can be reduced by 66.5 kB (22%)
306.5 kB
240.0 kB
In fact, the total size of Rc-systems.com main page is 306.5 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. 25% of websites need less resources to load. Images take 239.0 kB which makes up the majority of the site volume.
Potential reduce by 16.3 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. This page needs HTML code to be minified as it can gain 4.5 kB, which is 21% 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 16.3 kB or 77% of the original size.
Potential reduce by 25.6 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. Obviously, Rc Systems needs image optimization as it can save up to 25.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 8.3 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 8.3 kB or 31% of the original size.
Potential reduce by 16.3 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. Rc-systems.com needs all CSS files to be minified and compressed as it can save up to 16.3 kB or 84% of the original size.
Number of requests can be reduced by 3 (9%)
34
31
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rc Systems. 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 CSS and as a result speed up the page load time.
rc-systems.com
138 ms
global.css
36 ms
home.css
43 ms
SpryMenuBarHorizontal.css
45 ms
mColumn_style.css
46 ms
SpryMenuBar.js
43 ms
ga.js
8 ms
rcs_header.jpg
84 ms
background6.jpg
29 ms
menubar_01.jpg
40 ms
menubar_03.jpg
29 ms
menubar_04.jpg
28 ms
menubar_05.jpg
32 ms
menubar_02.jpg
28 ms
menubar_06.jpg
59 ms
upperright.jpg
60 ms
rightcol2.jpg
78 ms
left_body2.jpg
51 ms
buildblock.jpg
76 ms
bg_col2.gif
70 ms
spotlights.jpg
92 ms
Dukane-logo-Color.gif
80 ms
aiphone-logo.jpg
80 ms
sapling-synchronized-logos.png
97 ms
perceptrak2.gif
98 ms
milestone2.gif
99 ms
gesecurity2.gif
114 ms
sony.gif
100 ms
exacq-logo.jpg
123 ms
logo-genetek.gif
119 ms
certifications_body.gif
120 ms
SpryMenuBarDownHover.gif
120 ms
SpryMenuBarRightHover.gif
119 ms
certifications_header.jpg
68 ms
__utm.gif
11 ms
rc-systems.com accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[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
<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
Image elements do not have [alt] attributes
Links do not have a discernible name
rc-systems.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
rc-systems.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rc-systems.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 Rc-systems.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.
rc-systems.com
Open Graph description is not detected on the main page of Rc Systems. 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: