709 ms in total
42 ms
540 ms
127 ms
Welcome to openmedia.yale.edu homepage info - get ready to check Open Media Yale best content for United States right away, or after learning these important things about openmedia.yale.edu
Open Yale Courses provides free and open access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University. The aim of the project is to expand access to e...
Visit openmedia.yale.eduWe analyzed Openmedia.yale.edu page load time and found that the first response time was 42 ms and then it took 667 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
openmedia.yale.edu performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value6.4 s
10/100
25%
Value4.6 s
71/100
10%
Value1,040 ms
26/100
30%
Value0.052
98/100
15%
Value6.6 s
58/100
10%
42 ms
85 ms
103 ms
32 ms
160 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Openmedia.yale.edu, 81% (29 requests) were made to Oyc.yale.edu and 14% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (160 ms) relates to the external source Oyc.yale.edu.
Page size can be reduced by 291.0 kB (42%)
688.5 kB
397.5 kB
In fact, the total size of Openmedia.yale.edu main page is 688.5 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. 25% of websites need less resources to load. Images take 290.0 kB which makes up the majority of the site volume.
Potential reduce by 28.5 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. This page needs HTML code to be minified as it can gain 4.0 kB, which is 11% 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 28.5 kB or 81% of the original size.
Potential reduce by 14.2 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. Open Media Yale images are well optimized though.
Potential reduce by 174.7 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 174.7 kB or 64% of the original size.
Potential reduce by 73.6 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. Openmedia.yale.edu needs all CSS files to be minified and compressed as it can save up to 73.6 kB or 82% of the original size.
Number of requests can be reduced by 14 (41%)
34
20
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Media Yale. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
{{url}}
{{time}} ms
openmedia.yale.edu 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.
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
openmedia.yale.edu 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
openmedia.yale.edu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Openmedia.yale.edu 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 Openmedia.yale.edu 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.
{{og_description}}
openmedia.yale.edu
Open Graph description is not detected on the main page of Open Media Yale. 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: