1.6 sec in total
29 ms
866 ms
663 ms
Visit chanzuckerberg.com now to see the best up-to-date Chan Zuckerberg content for United States and also check out these interesting facts you probably never knew about chanzuckerberg.com
The Chan Zuckerberg Initiative (CZI) is a new kind of philanthropy that’s on a mission to help build a more inclusive, just and healthy future for everyone.
Visit chanzuckerberg.comWe analyzed Chanzuckerberg.com page load time and found that the first response time was 29 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
chanzuckerberg.com performance score
name
value
score
weighting
Value4.5 s
14/100
10%
Value10.1 s
0/100
25%
Value25.8 s
0/100
10%
Value43,650 ms
0/100
30%
Value0.07
96/100
15%
Value56.5 s
0/100
10%
29 ms
37 ms
5 ms
33 ms
165 ms
Our browser made a total of 68 requests to load all elements on the main page. We found that 87% of them (59 requests) were addressed to the original Chanzuckerberg.com, 3% (2 requests) were made to Fast.wistia.com and 1% (1 request) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (336 ms) belongs to the original domain Chanzuckerberg.com.
Page size can be reduced by 243.0 kB (8%)
3.2 MB
3.0 MB
In fact, the total size of Chanzuckerberg.com main page is 3.2 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.8 MB which makes up the majority of the site volume.
Potential reduce by 116.8 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 17.7 kB, which is 13% 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 116.8 kB or 84% of the original size.
Potential reduce by 442 B
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. Chan Zuckerberg images are well optimized though.
Potential reduce by 125.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 125.8 kB or 37% of the original size.
Potential reduce by 0 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.
Number of requests can be reduced by 22 (37%)
60
38
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chan Zuckerberg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
chanzuckerberg.com
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chanzuckerberg.com
37 ms
wp-emoji-release.min.js
5 ms
33 ms
klq6bqd.css
165 ms
22 ms
10 ms
v2.js
160 ms
app.js
121 ms
E-v1.js
131 ms
core.min.js
8 ms
datepicker.min.js
115 ms
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e-202127.js
121 ms
p.css
22 ms
close-button--no-border.svg
75 ms
logo-white.svg
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logo.svg
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logo-dark.svg
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logo-minified.svg
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burger-open.svg
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burger-close.svg
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close-icon-transparent.svg
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close-circle.svg
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homepage-hero-1.jpg
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homepagehero-2-v2.jpg
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homepage-hero-3.jpg
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homepage-hero-4.jpg
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education_icon_1.svg
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education_icon_2.svg
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education_icon_3.svg
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education.svg
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JOI_icon_1.svg
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JOI_icon_2.svg
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JOI_icon_3.svg
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joi.svg
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science_icon_1.svg
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science_icon_2.svg
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science_icon_3.svg
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science.svg
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CZI-HP-Kizzmekia-Desktop-BLANK.jpg
254 ms
CZI-Human-Atlas-Desktop-BLANK.jpg
254 ms
CZI-HP-Landlords-Desktop-BLANK-2.jpg
255 ms
CZI-HP-Card-Masks-Desktop-BLANK-3.jpg
256 ms
CZI-HP-Summer-Recovery-Grants-Square-1.jpg
256 ms
CZI-HP-ISTE-Recap-Square.jpg
256 ms
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257 ms
CZI-HP-Pediatrics-Square-2.jpg
257 ms
CZI-HP-Summer-Recovery-Grants-Square.jpg
258 ms
21-0521-CZI-HP-Handshake-Square.jpg
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21_0503-CZI-HP-RacialEquity-Half-B.jpg
259 ms
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218 ms
hkgrotesk-medium.woff
336 ms
gtm.js
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133 ms
facebook-red.svg
137 ms
instagram-red.svg
130 ms
twitter-red.svg
130 ms
linkedin-red.svg
131 ms
medium-red.svg
129 ms
youtube-red.svg
157 ms
Amiri-Bold.ttf
157 ms
Amiri-Regular.ttf
155 ms
hkgrotesk-light.woff
155 ms
hkgrotesk-bold.woff
238 ms
hkgrotesk-semibold.woff
169 ms
otSDKStub.js
47 ms
iframe_shim
27 ms
chanzuckerberg.com 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
chanzuckerberg.com 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
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
chanzuckerberg.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 Chanzuckerberg.com 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 Chanzuckerberg.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.
chanzuckerberg.com
Open Graph data is detected on the main page of Chan Zuckerberg. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: