Tools & Wizards About Us
sis.unza.zm screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

sis.unza.zm

University of Zambia - Student Information System:

Page Load Speed

6.8 sec in total

First Response

263 ms

Resources Loaded

6.4 sec

Page Rendered

125 ms

sis.unza.zm screenshot

About Website

Click here to check amazing Sis Unza content for Zambia. Otherwise, check out these important facts you probably never knew about sis.unza.zm

Visit sis.unza.zm

Key Findings

We analyzed Sis.unza.zm page load time and found that the first response time was 263 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

sis.unza.zm performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

62/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

login

263 ms

login

1149 ms

jquery-ui.css

273 ms

colorbox.css

542 ms

tabcontent.css

812 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Sis.unza.zm and no external sources were called. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Sis.unza.zm.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (82%)

Content Size

1.5 MB

After Optimization

278.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sis.unza.zm main page is 1.5 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. 25% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 18.1 kB

  • Original 21.8 kB
  • After minification 19.5 kB
  • After compression 3.7 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 2.4 kB, which is 11% 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 18.1 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 49 B

  • Original 16.4 kB
  • After minification 16.3 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. Sis Unza images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 1.1 MB

  • Original 1.4 MB
  • After minification 940.2 kB
  • After compression 244.3 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 1.1 MB or 82% of the original size.

CSS Optimization

-84%

Potential reduce by 75.6 kB

  • Original 89.4 kB
  • After minification 69.7 kB
  • After compression 13.9 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. Sis.unza.zm needs all CSS files to be minified and compressed as it can save up to 75.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (70%)

Requests Now

23

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sis Unza. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

login

login

263 ms

login

login

1149 ms

jquery-ui.css

jquery-ui.css

273 ms

colorbox.css

colorbox.css

542 ms

tabcontent.css

tabcontent.css

812 ms

flexdrop.css

flexdrop.css

1046 ms

unza.css

unza.css

1049 ms

select2.min.css

select2.min.css

1080 ms

tabcontent.js

tabcontent.js

1306 ms

jquery-1.8.3.js

jquery-1.8.3.js

1854 ms

jquery-ui.js

jquery-ui.js

2182 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

1837 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

1916 ms

flexdropdown.js

flexdropdown.js

2059 ms

jquery.simplemodal.js

jquery.simplemodal.js

2062 ms

select2.full.min.js

select2.full.min.js

2103 ms

jquery.maskedinput-1.3.1.min_.js

jquery.maskedinput-1.3.1.min_.js

2113 ms

Chart.bundle.js

Chart.bundle.js

2725 ms

jquery.formnavigation.js

jquery.formnavigation.js

2323 ms

jquery.smartWizard.js

jquery.smartWizard.js

2329 ms

header.gif

header.gif

271 ms

loginbox.png

loginbox.png

269 ms

captcha

captcha

282 ms

refresh.gif

refresh.gif

267 ms

login.png

login.png

261 ms

Accessibility Review

sis.unza.zm accessibility score

97

Accessibility Issues

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

High

Links do not have a discernible name

Best Practices

sis.unza.zm best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sis.unza.zm SEO score

92

Search Engine Optimization Advices

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sis.unza.zm 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 Sis.unza.zm 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.

Social Sharing Optimization

sis.unza.zm

Open Graph description is not detected on the main page of Sis Unza. 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: