1.8 sec in total
18 ms
1.6 sec
204 ms
Click here to check amazing Art21 content for United States. Otherwise, check out these important facts you probably never knew about art21.org
The mission of Art21 is to educate and expand access to contemporary art through the production of documentary films, resources, and public programs.
Visit art21.orgWe analyzed Art21.org page load time and found that the first response time was 18 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
art21.org performance score
name
value
score
weighting
Value1.9 s
86/100
10%
Value8.1 s
2/100
25%
Value4.8 s
66/100
10%
Value1,050 ms
25/100
30%
Value0
100/100
15%
Value10.4 s
24/100
10%
18 ms
45 ms
11 ms
23 ms
6 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that 91% of them (21 requests) were addressed to the original Art21.org, 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Art21.org.
Page size can be reduced by 284.2 kB (33%)
872.8 kB
588.5 kB
In fact, the total size of Art21.org main page is 872.8 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. 40% of websites need less resources to load. Images take 540.0 kB which makes up the majority of the site volume.
Potential reduce by 27.4 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 27.4 kB or 78% of the original size.
Potential reduce by 33.6 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. Art21 images are well optimized though.
Potential reduce by 155.5 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 155.5 kB or 73% of the original size.
Potential reduce by 67.7 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. Art21.org needs all CSS files to be minified and compressed as it can save up to 67.7 kB or 80% of the original size.
We found no issues to fix!
21
21
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Art21. According to our analytics all requests are already optimized.
art21.org
18 ms
www.art21.org
45 ms
css_ee74098fdcdffa775c261dd691b43149.css
11 ms
js_743866497f0c145b7e5d7d9cc803b119.js
23 ms
js_49fe78866ae571f06ed0db560cefc535.js
6 ms
analytics.js
76 ms
bg.gif
7 ms
art21_logo.png
6 ms
button_donate.png
6 ms
buttons_social_header_x5.png
21 ms
button_search_submit.png
20 ms
art21-creative-chem-lead-002_1.jpg
356 ms
mcelheny-projection-still-102.jpg
23 ms
art21-eds-y6-lead-ea.jpg
1363 ms
tk-final-art21-16x9-1080.jpg
24 ms
IMG_2020-web_63421_0.jpg
20 ms
IMG_2020-web_63421.jpg
20 ms
Damon-Davis-Untitled-from-Negrophilia-series_63420.jpg
20 ms
emvideo-vimeo-145652888_0.jpg
22 ms
art21_logo_footer.png
24 ms
button_slideshow.gif
24 ms
collect
13 ms
css_883cf17cc55a06cd96a0b4e08674006a.css
5 ms
art21.org accessibility score
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-hidden="true"] elements contain focusable descendents
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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
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>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
art21.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
art21.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Art21.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 Art21.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.
art21.org
Open Graph data is detected on the main page of Art21. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: