2.6 sec in total
278 ms
824 ms
1.5 sec
Welcome to rbf.org homepage info - get ready to check Rbf best content for United States right away, or after learning these important things about rbf.org
The Rockefeller Brothers Fund advances social change that contributes to a more just, sustainable, and peaceful world.
Visit rbf.orgWe analyzed Rbf.org page load time and found that the first response time was 278 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
rbf.org performance score
name
value
score
weighting
Value2.2 s
79/100
10%
Value5.7 s
16/100
25%
Value2.2 s
99/100
10%
Value270 ms
82/100
30%
Value0.015
100/100
15%
Value4.4 s
83/100
10%
278 ms
64 ms
47 ms
273 ms
296 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 92% of them (35 requests) were addressed to the original Rbf.org, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (421 ms) belongs to the original domain Rbf.org.
Page size can be reduced by 126.5 kB (11%)
1.2 MB
1.1 MB
In fact, the total size of Rbf.org main page is 1.2 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. 65% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 42.6 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. This page needs HTML code to be minified as it can gain 8.2 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 42.6 kB or 84% of the original size.
Potential reduce by 75.0 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. Rbf images are well optimized though.
Potential reduce by 50 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. This website has mostly compressed JavaScripts.
Potential reduce by 8.8 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. Rbf.org needs all CSS files to be minified and compressed as it can save up to 8.8 kB or 27% of the original size.
We found no issues to fix!
37
37
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rbf. According to our analytics all requests are already optimized.
www.rbf.org
278 ms
analytics.js
64 ms
css_xmNjMZMCuE54VzZMWDOY_cqSOSyuQf7XHZtJganzIME.css
47 ms
css_00rU-qbXyPAUbpJvYI6onoh17uM-82-jO_lznEUNd4A.css
273 ms
css2
296 ms
logo.svg
200 ms
js_7jHxDE4WN3QhZgnL485-yw5LqAiMTN4pV7qAkgOFYPI.js
281 ms
rockefellerfamily_for_web.jpg
349 ms
Rights-of-Nature-protest-US.png
348 ms
Just%20Vision_My-Neighborhood-Rifka-El-Kurd-palestine-women-peace-protest_%28c%29Ben-Kelmer.jpg
349 ms
man-woman-hard-hats-wind-turbines_iStock-2021-05-06_2880px.png
345 ms
USED_Broadway-Dance-Lab-New-York-Ephrat-Asherie_francisco-graciano_square-crop.jpg
339 ms
Guatemala-Ixiles-women-celebrate-condemonation-genocide_%20Sandra-Sebasti%C3%A1n-Plaza-P%C3%BAblica_square-menu.png
341 ms
Beijing-Global-Environmental-Institute_Solar-Farm-10MW_squarecrop.png
351 ms
Kosovo-2.0_Stevan-Krik-investigative-journalism_%28c%29Atdhe-Mulla-K2.0_424-square-menu_0.png
349 ms
grantmaking_facts_figures_web_sm.jpg
349 ms
DR-Center_front-rendering_FX-Collaborative.jpg
346 ms
grant_opportunities_solar_web.jpg
350 ms
Alliance-for-Climate-Education_Blueprint-North-Carolina_Action-Fellows-crop.png
359 ms
Rights-of-Nature-protest-US.png
350 ms
man-woman-hard-hats-wind-turbines_iStock-2021-05-06_2880px.png
355 ms
Just%20Vision_My-Neighborhood-Rifka-El-Kurd-palestine-women-peace-protest_%28c%29Ben-Kelmer.jpg
361 ms
Broadway-Dance-Lab-New-York-Ephrat-Asherie_francisco-graciano.jpg
350 ms
Guatemala-Ixiles-women-celebrate-condemonation-genocide_%20Sandra-Sebasti%C3%A1n-Plaza-P%C3%BAblica.jpg
356 ms
Beijing-Global-Environmental-Institute_SolarFarm-10MW.png
351 ms
Kosovo-2.0_Stevan-Krik-investigative-journalism_%28c%29Atdhe-Mulla-K2.0_2232x1256-crop.png
356 ms
pocantico-Oceanus-sunset_0.jpeg
421 ms
Noupoort-Wind-Farm_Lelekala-Mainstream-Renewable.jpg
360 ms
DR-Center_front-rendering_FX-Collaborative.jpg
421 ms
logo_reversed.svg
360 ms
collect
185 ms
magnifying_glass.svg
116 ms
tree-watermark.svg
111 ms
facebook-white.svg
108 ms
linkedin-white.svg
113 ms
twitter-white.svg
120 ms
instagram-white.svg
101 ms
youtube-white.svg
112 ms
rbf.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
rbf.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
Browser errors were logged to the console
rbf.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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 Rbf.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 Rbf.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.
rbf.org
Open Graph description is not detected on the main page of Rbf. 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: