2 sec in total
81 ms
760 ms
1.2 sec
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Visit university.redis.comWe analyzed University.redis.com page load time and found that the first response time was 81 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
university.redis.com performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value6.5 s
9/100
25%
Value3.8 s
83/100
10%
Value1,200 ms
21/100
30%
Value0.025
100/100
15%
Value8.3 s
40/100
10%
81 ms
60 ms
209 ms
60 ms
19 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that 65% of them (20 requests) were addressed to the original University.redis.com, 10% (3 requests) were made to Googletagmanager.com and 10% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (209 ms) belongs to the original domain University.redis.com.
Page size can be reduced by 307.3 kB (7%)
4.2 MB
3.9 MB
In fact, the total size of University.redis.com main page is 4.2 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. 50% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.
Potential reduce by 97.0 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 97.0 kB or 41% of the original size.
Potential reduce by 210.3 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. University Redis images are well optimized though.
Potential reduce by 50 B
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.
Number of requests can be reduced by 4 (13%)
30
26
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of University Redis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
university.redis.com
81 ms
fonts.css
60 ms
site.css
209 ms
js
60 ms
alpine.js
19 ms
analytics.js
90 ms
gtm.js
68 ms
redis-university-banner.jpg
88 ms
ru402-card.png
90 ms
medal.png
109 ms
beaker.png
110 ms
chat.png
128 ms
ru101-card.jpg
129 ms
ru102js-card.jpg
128 ms
ru102j-card.jpg
150 ms
ru102n-card.jpg
129 ms
ru102py-card.jpg
150 ms
ru202-card.jpg
150 ms
ru203-card.jpg
183 ms
ru204-card.jpg
153 ms
ru301-card.jpg
186 ms
ru330-card.jpg
187 ms
certification-seal.svg
184 ms
code-overlay.png
178 ms
js
51 ms
collect
17 ms
collect
23 ms
collect
46 ms
collect
46 ms
ga-audiences
39 ms
ga-audiences
29 ms
university.redis.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 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
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
Heading elements are not in a sequentially-descending order
university.redis.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Page has valid source maps
university.redis.com SEO score
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 University.redis.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 University.redis.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.
university.redis.com
Open Graph data is detected on the main page of University Redis. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: