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Visit rcs.columbia.edu now to see the best up-to-date RCS Columbia content for United States and also check out these interesting facts you probably never knew about rcs.columbia.edu
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We analyzed Rcs.columbia.edu page load time and found that the first response time was 50 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
rcs.columbia.edu performance score
Our browser made a total of 38 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Rcs.columbia.edu, 39% (15 requests) were made to Cuit.columbia.edu and 29% (11 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (878 ms) relates to the external source Yoda.unifyed.com.
Page size can be reduced by 189.7 kB (62%)
In fact, the total size of Rcs.columbia.edu main page is 304.3 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. 60% of websites need less resources to load. HTML takes 101.7 kB which makes up the majority of the site volume.
Potential reduce by 79.2 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 10.9 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 79.2 kB or 78% of the original size.
Potential reduce by 4.2 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. RCS Columbia images are well optimized though.
Potential reduce by 31.1 kB
Potential reduce by 75.2 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. Rcs.columbia.edu needs all CSS files to be minified and compressed as it can save up to 75.2 kB or 85% of the original size.
Number of requests can be reduced by 13 (57%)
rcs.columbia.edu accessibility score
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.
button, link, and menuitem elements do not have accessible names.
These are opportunities to improve keyboard navigation in your application.
[id] attributes on active, focusable elements are not unique
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.
Image elements do not have [alt] attributes
rcs.columbia.edu best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Serves images with low resolution
Browser errors were logged to the console
rcs.columbia.edu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have [alt] attributes
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/).
Document uses legible font sizes
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rcs.columbia.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 Rcs.columbia.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.
Open Graph description is not detected on the main page of RCS Columbia. 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: