1.6 sec in total
127 ms
908 ms
534 ms
Visit worlddigitallibrary.org now to see the best up-to-date World Digital Library content and also check out these interesting facts you probably never knew about worlddigitallibrary.org
This collection contains cultural heritage materials gathered during the World Digital Library (WDL) project, including thousands of items contributed by partner organizations worldwide as well as con...
Visit worlddigitallibrary.orgWe analyzed Worlddigitallibrary.org page load time and found that the first response time was 127 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
worlddigitallibrary.org performance score
name
value
score
weighting
Value4.6 s
13/100
10%
Value12.1 s
0/100
25%
Value5.6 s
53/100
10%
Value480 ms
60/100
30%
Value0.002
100/100
15%
Value12.2 s
15/100
10%
127 ms
115 ms
72 ms
114 ms
112 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Worlddigitallibrary.org, 73% (22 requests) were made to Loc.gov and 10% (3 requests) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (347 ms) relates to the external source Loc.gov.
Page size can be reduced by 345.9 kB (65%)
528.7 kB
182.8 kB
In fact, the total size of Worlddigitallibrary.org main page is 528.7 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. 70% of websites need less resources to load. Javascripts take 328.2 kB which makes up the majority of the site volume.
Potential reduce by 115.5 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. 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 115.5 kB or 81% of the original size.
Potential reduce by 221.1 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 221.1 kB or 67% of the original size.
Potential reduce by 9.3 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. Worlddigitallibrary.org needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 16% of the original size.
Number of requests can be reduced by 5 (23%)
22
17
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of World Digital Library. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
worlddigitallibrary.org
127 ms
115 ms
base.css
72 ms
satelliteLib-6b47f831c184878d7338d4683ecf773a17973bb9.js
114 ms
jquery-1.8.2.js
112 ms
ReadSpeaker.js
233 ms
ReadSpeaker.Custom.js
108 ms
base.js
347 ms
id
336 ms
AppMeasurement.min.js
191 ms
AppMeasurement_Module_ActivityMap.min.js
341 ms
logo-loc-new-branding.svg
124 ms
facebook.svg
126 ms
twitter.svg
128 ms
link.svg
268 ms
email.svg
264 ms
youtube.svg
282 ms
pinterest.svg
289 ms
flickr.svg
280 ms
instagram.svg
284 ms
itunesU.svg
298 ms
congress-gov.svg
292 ms
copyright-gov.svg
304 ms
OpenSans-Regular.woff
307 ms
OpenSans-Bold.woff
302 ms
fontawesome-webfont.woff
216 ms
RobotoSlab-Bold.woff
213 ms
RobotoSlab-Regular.woff
216 ms
dest5.html
108 ms
ibs:dpid=411&dpuuid=YzxAKgAAAEaJIAN2
21 ms
worlddigitallibrary.org 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
worlddigitallibrary.org 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
Missing source maps for large first-party JavaScript
worlddigitallibrary.org 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 Worlddigitallibrary.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 Worlddigitallibrary.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.
worlddigitallibrary.org
Open Graph data is detected on the main page of World Digital Library. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: