2 sec in total
Click here to check amazing CORE content for Indonesia. Otherwise, check out these important facts you probably never knew about core.ac.uk
The world’s largest collection of open access research papersVisit core.ac.uk
We analyzed Core.ac.uk page load time and found that the first response time was 391 ms and then it took 1.6 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.
core.ac.uk performance score
Our browser made a total of 23 requests to load all elements on the main page. We found that 57% of them (13 requests) were addressed to the original Core.ac.uk, 17% (4 requests) were made to Google.com and 9% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (391 ms) belongs to the original domain Core.ac.uk.
Page size can be reduced by 102.1 kB (39%)
In fact, the total size of Core.ac.uk main page is 263.7 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 89.2 kB which makes up the majority of the site volume.
Potential reduce by 15.2 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 6.7 kB, which is 34% 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 15.2 kB or 78% of the original size.
Potential reduce by 2.3 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. CORE images are well optimized though.
Potential reduce by 13.2 kB
Potential reduce by 71.5 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. Core.ac.uk needs all CSS files to be minified and compressed as it can save up to 71.5 kB or 88% of the original size.
Number of requests can be reduced by 10 (48%)
core.ac.uk 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.
[aria-hidden="true"] elements contain focusable descendents
ARIA IDs are not unique
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
core.ac.uk best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
core.ac.uk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Links do not have descriptive text
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
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Core.ac.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Core.ac.uk 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 CORE. 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: