1.5 sec in total
178 ms
1.1 sec
201 ms
Welcome to cleanrf.com homepage info - get ready to check Clean RF best content right away, or after learning these important things about cleanrf.com
RF Demodulator | Variable RF Sampler | AM Modulation Monitor | Oscilloscope Signal Monitoring of HF Linear Amplifiers
Visit cleanrf.comWe analyzed Cleanrf.com page load time and found that the first response time was 178 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
cleanrf.com performance score
name
value
score
weighting
Value1.2 s
99/100
10%
Value1.2 s
100/100
25%
Value1.4 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.2 s
100/100
10%
178 ms
280 ms
68 ms
138 ms
186 ms
Our browser made a total of 32 requests to load all elements on the main page. We found that all of those requests were addressed to Cleanrf.com and no external sources were called. The less responsive or slowest element that took the longest time to load (365 ms) belongs to the original domain Cleanrf.com.
Page size can be reduced by 16.3 kB (3%)
615.4 kB
599.1 kB
In fact, the total size of Cleanrf.com main page is 615.4 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. 15% of websites need less resources to load. Images take 596.0 kB which makes up the majority of the site volume.
Potential reduce by 11.7 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 2.4 kB, which is 16% 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 11.7 kB or 77% of the original size.
Potential reduce by 3.8 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. Clean RF images are well optimized though.
Potential reduce by 693 B
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 693 B or 19% of the original size.
Potential reduce by 79 B
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. Cleanrf.com needs all CSS files to be minified and compressed as it can save up to 79 B or 14% of the original size.
Number of requests can be reduced by 4 (13%)
30
26
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clean RF. 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.
cleanrf.com
178 ms
cleanrf.com
280 ms
cleanrf.css
68 ms
roll-over.js
138 ms
slideshow.js
186 ms
add-event.js
189 ms
popup.js
187 ms
scrollbar.js
201 ms
cleanrf-systems_logo.jpg
87 ms
home_button_0.gif
86 ms
application_button_1.gif
108 ms
products_button_1.gif
86 ms
about_button_1.gif
86 ms
contact_button_1.gif
87 ms
green_arrow_l.gif
132 ms
No-More-Guess-Work.jpg
248 ms
8877.jpg
306 ms
rf-d_product.jpg
197 ms
rf-s2k_product.jpg
211 ms
Linear.jpg
365 ms
products.jpg
313 ms
console.gif
249 ms
lower_bck.gif
264 ms
frustrated_amp.jpg
298 ms
splatterview_home.jpg
317 ms
Scope_Chain_home.jpg
333 ms
Linear-Pattern.jpg
355 ms
load-control.jpg
361 ms
about_button_2.gif
70 ms
application_button_2.gif
67 ms
products_button_2.gif
69 ms
contact_button_2.gif
70 ms
cleanrf.com accessibility score
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
cleanrf.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
cleanrf.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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cleanrf.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 Cleanrf.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.
cleanrf.com
Open Graph description is not detected on the main page of Clean RF. 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: