1 sec in total
251 ms
621 ms
137 ms
Welcome to library.wolfram.com homepage info - get ready to check Library Wolfram best content for United States right away, or after learning these important things about library.wolfram.com
Wolfram Library Archive has thousands of downloadable resources for Mathematica and other Wolfram products, collected over the full history of Wolfram Research
Visit library.wolfram.comWe analyzed Library.wolfram.com page load time and found that the first response time was 251 ms and then it took 758 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
library.wolfram.com performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value4.3 s
41/100
25%
Value4.6 s
71/100
10%
Value340 ms
74/100
30%
Value0.173
69/100
15%
Value5.9 s
65/100
10%
251 ms
25 ms
193 ms
57 ms
222 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 70% of them (30 requests) were addressed to the original Library.wolfram.com, 14% (6 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Wal.wolfram.com. The less responsive or slowest element that took the longest time to load (251 ms) belongs to the original domain Library.wolfram.com.
Page size can be reduced by 250.0 kB (60%)
416.7 kB
166.6 kB
In fact, the total size of Library.wolfram.com main page is 416.7 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. 25% of websites need less resources to load. Javascripts take 202.3 kB which makes up the majority of the site volume.
Potential reduce by 41.2 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 13.2 kB, which is 28% 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 41.2 kB or 87% of the original size.
Potential reduce by 83 B
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 Wolfram images are well optimized though.
Potential reduce by 137.5 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 137.5 kB or 68% of the original size.
Potential reduce by 71.2 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. Library.wolfram.com needs all CSS files to be minified and compressed as it can save up to 71.2 kB or 87% of the original size.
Number of requests can be reduced by 26 (74%)
35
9
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Library Wolfram. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
library.wolfram.com
251 ms
css
25 ms
gl-styles.en.css
193 ms
walLoad.js
57 ms
jquery.min.js
222 ms
jquery-migrate-1.2.1.min.js
111 ms
hoverIntent.min.js
60 ms
gl-head-scripts.en.js
165 ms
analytics.js
141 ms
gl-styles-legacy.en.css
138 ms
CSS.cgi
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CSS.cgi
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menu.js
170 ms
gl-footer-scripts.en.js
89 ms
eu-cookie.js
89 ms
wal.js
116 ms
analytics.js
71 ms
go.gif
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wicBackground.jpg
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gl-logo-spikey.png
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gl-logo-wolfram.png
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gl-logo-computation-meets-knowledge.png
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gl-menu-icons.png
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spacer.gif
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mic_header.gif
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orangeline.gif
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mic_search.gif
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mic_browse.gif
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orange-link-button.gif
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gl-lang-ja.png
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gl-lang-es.png
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gl-lang-zh.png
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collect
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wal.gif
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library.wolfram.com 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.
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
library.wolfram.com 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
library.wolfram.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Library.wolfram.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Library.wolfram.com main page’s claimed encoding is iso-8859-1. 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.
library.wolfram.com
Open Graph description is not detected on the main page of Library Wolfram. 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: