4.4 sec in total
1.6 sec
2 sec
750 ms
Click here to check amazing Our World In Data content for United States. Otherwise, check out these important facts you probably never knew about ourworldindata.org
Research and data to make progress against the world’s largest problems
Visit ourworldindata.orgWe analyzed Ourworldindata.org page load time and found that the first response time was 1.6 sec and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
ourworldindata.org performance score
name
value
score
weighting
Value2.0 s
84/100
10%
Value7.8 s
3/100
25%
Value4.0 s
80/100
10%
Value750 ms
39/100
30%
Value0.024
100/100
15%
Value9.5 s
30/100
10%
1580 ms
18 ms
16 ms
14 ms
36 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 88% of them (42 requests) were addressed to the original Ourworldindata.org, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Ourworldindata.org.
Page size can be reduced by 541.8 kB (38%)
1.4 MB
901.4 kB
In fact, the total size of Ourworldindata.org main page is 1.4 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 799.7 kB which makes up the majority of the site volume.
Potential reduce by 59.6 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 59.6 kB or 82% of the original size.
Potential reduce by 89.8 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. Obviously, Our World In Data needs image optimization as it can save up to 89.8 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 283.6 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 283.6 kB or 69% of the original size.
Potential reduce by 108.8 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. Ourworldindata.org needs all CSS files to be minified and compressed as it can save up to 108.8 kB or 69% of the original size.
Number of requests can be reduced by 29 (63%)
46
17
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Our World In Data. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
ourworldindata.org
1580 ms
wp-emoji-release.min.js
18 ms
button.css
16 ms
form.css
14 ms
font-awesome.css
36 ms
quicklatex-format.css
15 ms
style.css
22 ms
video-container.css
15 ms
dashicons.min.css
16 ms
css
40 ms
style.css
17 ms
tablepress-combined.min.css
17 ms
jquery.fancybox-1.3.7.min.css
19 ms
style.css
29 ms
tablepress-responsive.min.css
23 ms
jquery.js
23 ms
jquery-migrate.min.js
27 ms
usernoise.js
26 ms
button.js
27 ms
responsive-menu.js
27 ms
jquery.menu-aim.js
28 ms
parallax.js
29 ms
wp-quicklatex-frontend.js
30 ms
classic-081711.css
28 ms
mc-validate.js
136 ms
front.min.js
28 ms
jquery.scrollNav.js
72 ms
scripts.js
72 ms
wp-embed.min.js
30 ms
jquery.fancybox-1.3.7.js
28 ms
jquery.mousewheel.min.js
29 ms
analytics.js
22 ms
explainingprogress_inet_brand_final-03-750x177.png
356 ms
WorldMapDark2.png
55 ms
oldOWID_arrowdown.png
57 ms
Our_World_In_Data_Button-War-and-Violence-360x240.png
54 ms
Our_World_In_Data_Button-Poverty-360x240.png
53 ms
Our_World_In_Data_Button-Global-Health-360x240.png
55 ms
Our_World_In_Data_Button-World-Hunger-and-Food-360x240.png
356 ms
oldOWID_presibutton-africa-360x240.png
57 ms
bg-5.jpg
60 ms
ourworldindata_oms_white_verydarkonly-750x398.png
58 ms
ourworldindata_nuffield-logo-white-trans_small.png
56 ms
ok.png
55 ms
collect
304 ms
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6 ms
ssi-icomoon.woff
24 ms
fontawesome-webfont.woff
5 ms
ourworldindata.org accessibility score
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
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
ourworldindata.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
ourworldindata.org SEO score
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ourworldindata.org 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 Ourworldindata.org 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.
ourworldindata.org
Open Graph description is not detected on the main page of Our World In Data. 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: