3.1 sec in total
328 ms
2.5 sec
283 ms
Welcome to libraries.usc.edu homepage info - get ready to check Libraries USC best content for United States right away, or after learning these important things about libraries.usc.edu
Visit libraries.usc.eduWe analyzed Libraries.usc.edu page load time and found that the first response time was 328 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
libraries.usc.edu performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value5.6 s
17/100
25%
Value5.5 s
55/100
10%
Value1,330 ms
17/100
30%
Value0.173
69/100
15%
Value8.3 s
40/100
10%
328 ms
546 ms
125 ms
223 ms
236 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 74% of them (58 requests) were addressed to the original Libraries.usc.edu, 4% (3 requests) were made to Netdna.bootstrapcdn.com and 3% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (866 ms) belongs to the original domain Libraries.usc.edu.
Page size can be reduced by 1.2 MB (60%)
2.0 MB
790.2 kB
In fact, the total size of Libraries.usc.edu main page is 2.0 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. 65% of websites need less resources to load. Images take 809.2 kB which makes up the majority of the site volume.
Potential reduce by 138.4 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 138.4 kB or 85% of the original size.
Potential reduce by 242.9 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. Obviously, Libraries USC needs image optimization as it can save up to 242.9 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 248.5 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 248.5 kB or 71% of the original size.
Potential reduce by 545.0 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. Libraries.usc.edu needs all CSS files to be minified and compressed as it can save up to 545.0 kB or 85% of the original size.
Number of requests can be reduced by 30 (40%)
75
45
The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libraries USC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
libraries.usc.edu
328 ms
libraries.usc.edu
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css_6V-6E2SLxgZram7QIusdl9wEiQMlZ4RzyLM9KJeXxZM.css
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bootstrap.min.css
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css_Q6tyBdngNQ-v3wbPJtn8ks44hoIYkA55HGiSWDnzHSU.css
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css_injector_86.css
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jquery.min.js
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js_PdiuypZMI8o81AYEdTHwjRslVPEF69JFzr7Y9sMWt4s.js
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jquery-ui.min.js
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bootstrap.min.js
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buttons.js
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NationalWeb-Bold.woff
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analytics.js
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main-logo.png
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usc-logo.png
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wonderland.jpg
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libraries_search.php
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libraries.usc.edu 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-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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.
Impact
Issue
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
libraries.usc.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
libraries.usc.edu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
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 Libraries.usc.edu 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 Libraries.usc.edu 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.
libraries.usc.edu
Open Graph description is not detected on the main page of Libraries USC. 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: