Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

elradon.com

La web sobre el gas radon, un enemigo invisible en casa

Page Load Speed

6.6 sec in total

First Response

2.8 sec

Resources Loaded

3.6 sec

Page Rendered

208 ms

elradon.com screenshot

About Website

Visit elradon.com now to see the best up-to-date El Radon content and also check out these interesting facts you probably never knew about elradon.com

radón radon radiactividad universidad de cantabria LaRuc radioactivity spain gas medición contaminación edificios cancer de pulmon

Visit elradon.com

Key Findings

We analyzed Elradon.com page load time and found that the first response time was 2.8 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

elradon.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

elradon.com

2771 ms

wp-emoji-release.min.js

148 ms

style.min.css

175 ms

styles.css

167 ms

front.min.css

197 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 83% of them (33 requests) were addressed to the original Elradon.com, 10% (4 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Elradon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 160.9 kB (25%)

Content Size

647.0 kB

After Optimization

486.1 kB

In fact, the total size of Elradon.com main page is 647.0 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. 50% of websites need less resources to load. Images take 341.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 41.6 kB

  • Original 51.8 kB
  • After minification 46.1 kB
  • After compression 10.2 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 5.6 kB, which is 11% 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 41.6 kB or 80% of the original size.

Image Optimization

-13%

Potential reduce by 45.7 kB

  • Original 341.2 kB
  • After minification 295.5 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, El Radon needs image optimization as it can save up to 45.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-24%

Potential reduce by 42.8 kB

  • Original 175.7 kB
  • After minification 175.7 kB
  • After compression 132.9 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 42.8 kB or 24% of the original size.

CSS Optimization

-39%

Potential reduce by 30.8 kB

  • Original 78.4 kB
  • After minification 78.4 kB
  • After compression 47.6 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. Elradon.com needs all CSS files to be minified and compressed as it can save up to 30.8 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (67%)

Requests Now

33

After Optimization

11

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of El Radon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

elradon.com accessibility score

94

Accessibility Issues

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.

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

Links do not have a discernible name

Best Practices

elradon.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

elradon.com SEO score

93

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

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

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Elradon.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Spanish language. Our system also found out that Elradon.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 data is detected on the main page of El Radon. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: