5.7 sec in total
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We analyzed Worldlibrary.org page load time and found that the first response time was 504 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
worldlibrary.org performance score
Our browser made a total of 75 requests to load all elements on the main page. We found that 16% of them (12 requests) were addressed to the original Worldlibrary.org, 64% (48 requests) were made to Read.images.worldlibrary.net and 17% (13 requests) were made to Ebook2.worldlibrary.net. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Read.images.worldlibrary.net.
Page size can be reduced by 1.0 MB (37%)
In fact, the total size of Worldlibrary.org main page is 2.7 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. 35% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 36.3 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 6.0 kB, which is 14% 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 36.3 kB or 82% of the original size.
Potential reduce by 52.0 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. World Library images are well optimized though.
Potential reduce by 636.5 kB
Potential reduce by 294.6 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. Worldlibrary.org needs all CSS files to be minified and compressed as it can save up to 294.6 kB or 86% of the original size.
Number of requests can be reduced by 27 (38%)
worldlibrary.org accessibility score
These are opportunities to improve the legibility of your content.
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.
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
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>).
These items highlight common accessibility best practices.
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
worldlibrary.org best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Displays images with incorrect aspect ratio
Browser errors were logged to the console
worldlibrary.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
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 Worldlibrary.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 Worldlibrary.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.
Open Graph description is not detected on the main page of World Library. 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: