3.8 sec in total
304 ms
3.3 sec
249 ms
Click here to check amazing Library Open content for United Kingdom. Otherwise, check out these important facts you probably never knew about library.open.ac.uk
Visit library.open.ac.ukWe analyzed Library.open.ac.uk page load time and found that the first response time was 304 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
library.open.ac.uk performance score
name
value
score
weighting
Value5.4 s
7/100
10%
Value14.8 s
0/100
25%
Value8.1 s
21/100
10%
Value1,870 ms
9/100
30%
Value0.802
5/100
15%
Value16.3 s
5/100
10%
304 ms
410 ms
715 ms
70 ms
143 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Library.open.ac.uk, 53% (32 requests) were made to Www5.open.ac.uk and 12% (7 requests) were made to Open.ac.uk. The less responsive or slowest element that took the longest time to load (715 ms) relates to the external source Www5.open.ac.uk.
Page size can be reduced by 90.7 kB (17%)
546.4 kB
455.7 kB
In fact, the total size of Library.open.ac.uk main page is 546.4 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. 75% 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 237.2 kB which makes up the majority of the site volume.
Potential reduce by 70.0 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 10.4 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 70.0 kB or 77% of the original size.
Potential reduce by 9.0 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. Library Open images are well optimized though.
Potential reduce by 11.1 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. This website has mostly compressed JavaScripts.
Potential reduce by 598 B
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. Library.open.ac.uk has all CSS files already compressed.
Number of requests can be reduced by 41 (76%)
54
13
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Library Open. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
library.open.ac.uk
304 ms
410 ms
715 ms
css_Nxjby8tiCVZbQjJ7Mm_GP3CT86xogbL4uUhJpu_ZBN8.css
70 ms
css_4ofWJURx8nanl3ehPu2icSWVWfghRfn9G9HH5wmcnpk.css
143 ms
css_hK_TDJClygbrYfWLm9IefjiBqFSoC-XPgutoMW8Y-5A.css
216 ms
css_FYGqnCwmDVHzikjfrwQ0Ta_EcDB92zOZCOR5Mr6qGqw.css
282 ms
jquery.min.js
287 ms
jquery-extend-3.4.0.js
215 ms
jquery-html-prefilter-3.5.0-backport.js
214 ms
jquery.once.js
214 ms
drupal.js
308 ms
jquery_browser.js
306 ms
entityreference.js
306 ms
responsive-tabs.min.js
303 ms
scripts.js
348 ms
221317523.js
96 ms
headerfooter.min.js
368 ms
headerfooter.css
367 ms
cassiecookiewidget.css
367 ms
optimize.js
68 ms
searchbox.css
92 ms
drupal_24.js
181 ms
drupal_24.css
262 ms
gtm.js
213 ms
loader.js
316 ms
new_face_big.jpg
709 ms
OU_Logo.svg
137 ms
OU_Logo_Mobile.svg
141 ms
Accordion_Chevron_Down.svg
135 ms
Search_Icon_Magnifier.svg
133 ms
pexels-christina-morillo-1181472_5_0.jpg
223 ms
OU_Crest_SVG.svg
281 ms
OU_Crest_SVG_Mobile.svg
441 ms
706 ms
Social_facebook.svg
288 ms
Social_twitter.svg
290 ms
Social_youtube.svg
438 ms
Social_linkedin.svg
439 ms
jp3.jpg
141 ms
gtm.js
114 ms
fontawesome-webfont.woff
416 ms
all.css
112 ms
ga.js
256 ms
analytics.js
255 ms
icon-to-top.png
228 ms
js
141 ms
340 ms
js
307 ms
js
306 ms
fa-solid-900.woff
248 ms
fa-regular-400.woff
283 ms
linkid.js
236 ms
__utm.gif
214 ms
headerfooter-print.css
568 ms
collect
250 ms
collect
217 ms
launch-3cf91248ece2.min.js
67 ms
js
61 ms
EX5da0992a38a7437a911a554ec00fda36-libraryCode_source.min.js
59 ms
library.open.ac.uk accessibility score
ARIA
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.
Impact
Issue
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
library.open.ac.uk 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
Browser errors were logged to the console
Page has valid source maps
library.open.ac.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Library.open.ac.uk 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 Library.open.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.
library.open.ac.uk
Open Graph description is not detected on the main page of Library Open. 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: