52.5 sec in total
4.5 sec
33.7 sec
14.3 sec
Visit alison.com now to see the best up-to-date Alison content for India and also check out these interesting facts you probably never knew about alison.com
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Visit alison.comWe analyzed Alison.com page load time and found that the first response time was 4.5 sec and then it took 48 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 15 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
alison.com performance score
name
value
score
weighting
Value1.8 s
90/100
10%
Value4.0 s
50/100
25%
Value4.8 s
67/100
10%
Value3,040 ms
2/100
30%
Value0.123
83/100
15%
Value11.7 s
17/100
10%
4517 ms
512 ms
1646 ms
2051 ms
1165 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 12% of them (9 requests) were addressed to the original Alison.com, 59% (46 requests) were made to Cdn.alison-static.net and 6% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (18.4 sec) relates to the external source Cdn.alison-static.net.
Page size can be reduced by 2.0 MB (55%)
3.8 MB
1.7 MB
In fact, the total size of Alison.com main page is 3.8 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. Javascripts take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 50.2 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. 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 50.2 kB or 81% of the original size.
Potential reduce by 81.8 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. Alison images are well optimized though.
Potential reduce by 1.3 MB
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 1.3 MB or 72% of the original size.
Potential reduce by 649.3 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. Alison.com needs all CSS files to be minified and compressed as it can save up to 649.3 kB or 86% of the original size.
Number of requests can be reduced by 14 (25%)
55
41
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alison. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
alison.com
4517 ms
gtm.js
512 ms
webfont.js
1646 ms
adsbygoogle.js
2051 ms
A.main.css.pagespeed.cf.S1GX7MN6F8.css
1165 ms
jquery.min.js
2260 ms
typed.js+response.min.js.pagespeed.jc.Qnxqru2u_Q.js
494 ms
slick.min.js
2259 ms
jquery.mCustomScrollbar.min.js.pagespeed.jm.beIBu8K1Qc.js
494 ms
main.js.pagespeed.jm.Og05J5FK3u.js
494 ms
lang.js.pagespeed.jm.0dx0AdiNL_.js
1379 ms
analytics.js
1180 ms
css
1759 ms
collect
81 ms
collect
9238 ms
loader.gif
8153 ms
shadow.png
6759 ms
footer-triangles.png
5938 ms
logo.svg
8393 ms
logo-short.svg
13463 ms
BG-3.jpg
15651 ms
hero-triangles.png
15414 ms
openstax.png
15413 ms
saylor.png
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stanford.png
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microsoft.png
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cambridge.png
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google.png
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columbia.png
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mit.png
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alison_courseware_intro_1230.jpg
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testimonials-christine-mccann.jpg
0 ms
JM.png
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0 ms
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testimonial-rocky-j-mark.jpg
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our-story.jpg
0 ms
footer-corporate-services.jpg
0 ms
empower-us.jpg
0 ms
faq.jpg
0 ms
contact.jpg
0 ms
fbevents.js
8823 ms
ga-audiences
9784 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
10260 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
11614 ms
Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf
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13709 ms
d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf
13577 ms
icomoon.ttf
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footer-sign-up.jpg
14031 ms
certificate.jpg
12184 ms
jquery.mousewheel.min.js
11540 ms
ca-pub-4877892089121284.js
4386 ms
zrt_lookup.html
8113 ms
show_ads_impl.js
5382 ms
diploma.jpg
6511 ms
footer-tshirt.jpg
5453 ms
press.jpg
5483 ms
latest-post.jpg
5452 ms
news.jpg
5452 ms
graduate.jpg
5403 ms
525719477537945
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pla
4021 ms
logo-short.svg
4428 ms
adblock-hp.png
3937 ms
1162 ms
alison.com 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
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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>).
alison.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Requests the notification permission on page load
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
alison.com 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
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
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 Alison.com 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 Alison.com 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.
alison.com
Open Graph data is detected on the main page of Alison. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: