Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

breathingearth.net

Breathingearth - CO2, birth & death rates by country, simulated real-time

Page Load Speed

1.1 sec in total

First Response

204 ms

Resources Loaded

690 ms

Page Rendered

157 ms

breathingearth.net screenshot

About Website

Click here to check amazing Breathingearth content for United States. Otherwise, check out these important facts you probably never knew about breathingearth.net

A visual real-time simulation that displays the carbon dioxide (CO2) emissions, birth rates, and death rates of every country in the world.

Visit breathingearth.net

Key Findings

We analyzed Breathingearth.net page load time and found that the first response time was 204 ms and then it took 847 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

breathingearth.net performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value4,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.286

42/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

breathingearth.net

204 ms

AC_RunActiveContent.js

63 ms

intro-breathingearth-spryke.png

242 ms

adsbygoogle.js

116 ms

HUsdhiY.jpg

20 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 14% of them (2 requests) were addressed to the original Breathingearth.net, 29% (4 requests) were made to Platform.twitter.com and 14% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (286 ms) relates to the external source Pagead2.googlesyndication.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.8 kB (6%)

Content Size

287.4 kB

After Optimization

271.5 kB

In fact, the total size of Breathingearth.net main page is 287.4 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. 35% of websites need less resources to load. Javascripts take 254.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 14.7 kB

  • Original 21.2 kB
  • After minification 21.0 kB
  • After compression 6.5 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 14.7 kB or 69% of the original size.

Image Optimization

-0%

Potential reduce by 12 B

  • Original 11.2 kB
  • After minification 11.2 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. Breathingearth images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.1 kB

  • Original 254.9 kB
  • After minification 254.9 kB
  • After compression 253.8 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 5 (38%)

Requests Now

13

After Optimization

8

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Breathingearth. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

breathingearth.net accessibility score

100

Accessibility Issues

Best Practices

breathingearth.net best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

breathingearth.net SEO score

69

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

Document uses plugins

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Breathingearth.net 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 Breathingearth.net main page’s claimed encoding is iso-8859-2. 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 Breathingearth. 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: