2.3 sec in total
106 ms
858 ms
1.4 sec
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Visit university.redislabs.comWe analyzed University.redislabs.com page load time and found that the first response time was 106 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
university.redislabs.com performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value7.1 s
5/100
25%
Value4.1 s
79/100
10%
Value1,060 ms
25/100
30%
Value0.025
100/100
15%
Value8.7 s
36/100
10%
106 ms
86 ms
87 ms
58 ms
21 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original University.redislabs.com, 9% (3 requests) were made to Googletagmanager.com and 9% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (180 ms) relates to the external source University.redis.com.
Page size can be reduced by 98.5 kB (4%)
2.8 MB
2.7 MB
In fact, the total size of University.redislabs.com main page is 2.8 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. 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. Images take 2.6 MB which makes up the majority of the site volume.
Potential reduce by 97.6 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 97.6 kB or 41% of the original size.
Potential reduce by 687 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. University Redis Labs images are well optimized though.
Potential reduce by 122 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 5 (16%)
32
27
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of University Redis Labs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
university.redis.com
106 ms
fonts.css
86 ms
site.css
87 ms
js
58 ms
alpine.js
21 ms
analytics.js
110 ms
gtm.js
85 ms
redis-university-banner.jpg
83 ms
ru205-card.jpg
109 ms
medal.png
138 ms
beaker.png
137 ms
chat.png
140 ms
ru101-card.jpg
170 ms
ru102j-card.jpg
139 ms
ru102js-card.jpg
140 ms
ru102n-card.jpg
171 ms
ru102py-card.jpg
173 ms
ru202-card.jpg
172 ms
ru203-card.jpg
175 ms
ru204-card.jpg
174 ms
ru301-card.jpg
176 ms
ru330-card.jpg
178 ms
certification-seal.svg
180 ms
code-overlay.png
167 ms
js
56 ms
collect
173 ms
collect
168 ms
41 ms
collect
29 ms
collect
29 ms
ga-audiences
28 ms
ga-audiences
34 ms
26 ms
university.redislabs.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.redislabs.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.redislabs.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.redislabs.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.redislabs.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.redislabs.com
Open Graph data is detected on the main page of University Redis Labs. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: