5 sec in total
93 ms
4.2 sec
706 ms
Click here to check amazing Allen Library content for United States. Otherwise, check out these important facts you probably never knew about allenlibrary.org
Find out what's available at and going on at the library.
Visit allenlibrary.orgWe analyzed Allenlibrary.org page load time and found that the first response time was 93 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
allenlibrary.org performance score
name
value
score
weighting
Value4.3 s
17/100
10%
Value17.6 s
0/100
25%
Value9.0 s
14/100
10%
Value2,060 ms
7/100
30%
Value0.527
14/100
15%
Value17.2 s
4/100
10%
93 ms
91 ms
552 ms
185 ms
155 ms
Our browser made a total of 115 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Allenlibrary.org, 47% (54 requests) were made to Cityofallen.org and 19% (22 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (764 ms) relates to the external source Static.xx.fbcdn.net.
Page size can be reduced by 698.3 kB (15%)
4.6 MB
3.9 MB
In fact, the total size of Allenlibrary.org main page is 4.6 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. 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 3.8 MB which makes up the majority of the site volume.
Potential reduce by 112.4 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 112.4 kB or 81% of the original size.
Potential reduce by 67.3 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. Allen Library images are well optimized though.
Potential reduce by 312.3 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 312.3 kB or 68% of the original size.
Potential reduce by 206.4 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. Allenlibrary.org needs all CSS files to be minified and compressed as it can save up to 206.4 kB or 81% of the original size.
Number of requests can be reduced by 53 (54%)
98
45
The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Allen 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 30 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
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allenlibrary.org 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
[aria-hidden="true"] elements contain focusable descendents
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
Impact
Issue
Links do not have a discernible name
allenlibrary.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
allenlibrary.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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 Allenlibrary.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 Allenlibrary.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.
allenlibrary.org
Open Graph description is not detected on the main page of Allen 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: