1.3 sec in total
129 ms
1.1 sec
104 ms
Click here to check amazing Lab Wolfram Cloud content for China. Otherwise, check out these important facts you probably never knew about lab.wolframcloud.com
Cloud access to the Wolfram Language.
Visit lab.wolframcloud.comWe analyzed Lab.wolframcloud.com page load time and found that the first response time was 129 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
lab.wolframcloud.com performance score
name
value
score
weighting
Value1.4 s
98/100
10%
Value3.6 s
61/100
25%
Value2.1 s
99/100
10%
Value130 ms
96/100
30%
Value0.053
98/100
15%
Value2.9 s
96/100
10%
129 ms
243 ms
85 ms
247 ms
166 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Lab.wolframcloud.com, 59% (13 requests) were made to Wolframcloud.com and 27% (6 requests) were made to User.wolfram.com. The less responsive or slowest element that took the longest time to load (247 ms) relates to the external source User.wolfram.com.
Page size can be reduced by 236.3 kB (66%)
355.6 kB
119.3 kB
In fact, the total size of Lab.wolframcloud.com main page is 355.6 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 133.1 kB which makes up the majority of the site volume.
Potential reduce by 7.6 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 7.6 kB or 69% of the original size.
Potential reduce by 38.5 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, Lab Wolfram Cloud needs image optimization as it can save up to 38.5 kB or 47% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 93.8 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 93.8 kB or 70% of the original size.
Potential reduce by 96.5 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. Lab.wolframcloud.com needs all CSS files to be minified and compressed as it can save up to 96.5 kB or 74% of the original size.
Number of requests can be reduced by 6 (43%)
14
8
The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lab Wolfram Cloud. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
lab.wolframcloud.com
129 ms
cloud
243 ms
auth.css
85 ms
jquery-1.6.1.min.js
247 ms
jquery.form.js
166 ms
common.js
93 ms
signin.js
145 ms
jquery-browser-os-detect.js
93 ms
Roboto-Regular-ac3f799d5bbaf5196fab15ab8de8431c.ttf
45 ms
Roboto-Medium-fe13e4170719c2fc586501e777bde143.ttf
70 ms
Roboto-Light-7b5fb88f12bec8143f00e21bc3222124.ttf
55 ms
Roboto-Bold-d329cc8b34667f114a95422aaad1b063.ttf
71 ms
programming_lab.png
61 ms
programming_lab.png
59 ms
chrome_icon.png
58 ms
firefox_icon.png
64 ms
safari_icon.png
71 ms
footer_logo-c235b6366e7626e88367f6d0679389b8.png
72 ms
SourceSansPro-Regular-6d5fb3bbd44e62762d34bf6666ee2242.ttf
63 ms
SourceSansPro-Semibold-5bb27ca77869fd2d275c130480397c2a.ttf
64 ms
i.js
56 ms
de93ddd7a498cf841790cb0f91c486c3723c0836.1.js
75 ms
lab.wolframcloud.com accessibility score
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
lab.wolframcloud.com 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
lab.wolframcloud.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
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
N/A
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lab.wolframcloud.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Lab.wolframcloud.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.
lab.wolframcloud.com
Open Graph description is not detected on the main page of Lab Wolfram Cloud. 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: