1.6 sec in total
25 ms
1.4 sec
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Visit human.libretexts.org now to see the best up-to-date Human Libre Texts content for United States and also check out these interesting facts you probably never knew about human.libretexts.org
The LibreTexts libraries collectively are a multi-institutional collaborative venture to develop the next generation of open-access texts to improve postsecondary education.
Visit human.libretexts.orgWe analyzed Human.libretexts.org page load time and found that the first response time was 25 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
human.libretexts.org performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value9.5 s
0/100
25%
Value11.9 s
4/100
10%
Value2,060 ms
7/100
30%
Value0.281
43/100
15%
Value22.9 s
1/100
10%
25 ms
215 ms
130 ms
221 ms
127 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 4% of them (4 requests) were addressed to the original Human.libretexts.org, 41% (38 requests) were made to Cdn.libretexts.net and 14% (13 requests) were made to A.mtstatic.com. The less responsive or slowest element that took the longest time to load (601 ms) relates to the external source Cdn.libretexts.net.
Page size can be reduced by 262.6 kB (32%)
830.3 kB
567.7 kB
In fact, the total size of Human.libretexts.org main page is 830.3 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. 85% 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. Javascripts take 470.1 kB which makes up the majority of the site volume.
Potential reduce by 92.0 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. 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 92.0 kB or 76% of the original size.
Potential reduce by 160.0 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. Obviously, Human Libre Texts needs image optimization as it can save up to 160.0 kB or 83% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 10.2 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 306 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. Human.libretexts.org has all CSS files already compressed.
Number of requests can be reduced by 72 (86%)
84
12
The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Human Libre Texts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 56 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.
human.libretexts.org
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human.libretexts.org
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anonymous.css
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globals.jqueryv2.2.4.polyfill.js
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deki.legacy.js
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community.js
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skin_elm.js
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pageBootstrap.js
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readerview.min.js
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readerview.min.css
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js-loading-overlay.min.js
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jquery-accessibleMegaMenu.js
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reuse.js
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copyNavigation.js
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core@2
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printYoutube.js
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libreNavButtons.min.js
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licensecontrol.min.js
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libretextsGlossarizer.js
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libretextsGlossarizer.css
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citationjs.js
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citation.js
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attribution.js
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iframeResizer.contentWindow.min.js
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registerPlugin.min.js
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libreFormatPlugin.min.js
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libreBoxesPlugin.min.js
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libreQueryPlugin.min.js
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a11yPlugin.min.js
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f1.js
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ui.widget.lsfOrderedSubpages.js
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serviceworker-unregister.js
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pageLoaded.js
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headerfooter.js
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icomoon.woff
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84b10e0f37.css
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font-awesome-css.min.css
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fontawesome-webfont.woff
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subpages
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require.min.js
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all.min.js
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v4-shims.min.js
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human.libretexts.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.
human.libretexts.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
human.libretexts.org 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
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Human.libretexts.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 Human.libretexts.org main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
human.libretexts.org
Open Graph data is detected on the main page of Human Libre Texts. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: