7.3 sec in total
239 ms
5.5 sec
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Welcome to cancer.columbia.edu homepage info - get ready to check Cancer Columbia best content for United States right away, or after learning these important things about cancer.columbia.edu
The Herbert Irving Comprehensive Cancer Center (HICCC), located in New York City, is dedicated to discovering, designing, and delivering cancer care to all those affected by cancer.
Visit cancer.columbia.eduWe analyzed Cancer.columbia.edu page load time and found that the first response time was 239 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
cancer.columbia.edu performance score
name
value
score
weighting
Value8.5 s
0/100
10%
Value12.7 s
0/100
25%
Value18.1 s
0/100
10%
Value11,570 ms
0/100
30%
Value0.3
40/100
15%
Value24.6 s
0/100
10%
239 ms
53 ms
61 ms
65 ms
1133 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 70% of them (37 requests) were addressed to the original Cancer.columbia.edu, 6% (3 requests) were made to Google-analytics.com and 6% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Cancer.columbia.edu.
Page size can be reduced by 343.5 kB (34%)
1.0 MB
658.0 kB
In fact, the total size of Cancer.columbia.edu main page is 1.0 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 340.9 kB which makes up the majority of the site volume.
Potential reduce by 230.9 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 230.9 kB or 83% of the original size.
Potential reduce by 11.9 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. Cancer Columbia images are well optimized though.
Potential reduce by 1.8 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. This website has mostly compressed JavaScripts.
Potential reduce by 98.9 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. Cancer.columbia.edu needs all CSS files to be minified and compressed as it can save up to 98.9 kB or 30% of the original size.
Number of requests can be reduced by 25 (54%)
46
21
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cancer Columbia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
www.cancer.columbia.edu
239 ms
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cancer.columbia.edu accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
cancer.columbia.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
cancer.columbia.edu SEO score
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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cancer.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 Cancer.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.
cancer.columbia.edu
Open Graph data is detected on the main page of Cancer Columbia. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: