Tools & Wizards About Us
zuku.co.tz screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

zuku.co.tz

Zuku – Amazing!

Page Load Speed

15.2 sec in total

First Response

2.4 sec

Resources Loaded

12.4 sec

Page Rendered

450 ms

zuku.co.tz screenshot

About Website

Click here to check amazing Zuku content for Tanzania. Otherwise, check out these important facts you probably never knew about zuku.co.tz

Zuku Satellite TV offers quality, affordable digital entertainment and Zuku Fiber offers high speed, unlimited broadband internet, TV and zuku telephone in Nairobi and Mombasa.

Visit zuku.co.tz

Key Findings

We analyzed Zuku.co.tz page load time and found that the first response time was 2.4 sec and then it took 12.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

zuku.co.tz performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value15.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value23.5 s

0/100

10%

TBT (Total Blocking Time)

Value2,270 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value29.9 s

0/100

10%

Network Requests Diagram

zuku.co.tz

2354 ms

analytics.js

18 ms

jquery.sidr.dark.css

450 ms

bootstrap.min.css

1211 ms

style.css

687 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 63% of them (59 requests) were addressed to the original Zuku.co.tz, 5% (5 requests) were made to Maps.googleapis.com and 5% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (6.5 sec) belongs to the original domain Zuku.co.tz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (25%)

Content Size

6.5 MB

After Optimization

4.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zuku.co.tz main page is 6.5 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. 60% of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 109.7 kB

  • Original 149.7 kB
  • After minification 138.0 kB
  • After compression 39.9 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 109.7 kB or 73% of the original size.

Image Optimization

-3%

Potential reduce by 148.7 kB

  • Original 4.5 MB
  • After minification 4.4 MB

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. Zuku images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 1.2 MB

  • Original 1.6 MB
  • After minification 1.4 MB
  • After compression 424.9 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 1.2 MB or 73% of the original size.

CSS Optimization

-77%

Potential reduce by 174.7 kB

  • Original 226.7 kB
  • After minification 216.3 kB
  • After compression 52.0 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. Zuku.co.tz needs all CSS files to be minified and compressed as it can save up to 174.7 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (61%)

Requests Now

83

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zuku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zuku.co.tz

zuku.co.tz

2354 ms

analytics.js

analytics.js

18 ms

jquery.sidr.dark.css

jquery.sidr.dark.css

450 ms

bootstrap.min.css

bootstrap.min.css

1211 ms

style.css

style.css

687 ms

owl.carousel.css

owl.carousel.css

464 ms

owl.theme.css

owl.theme.css

894 ms

owl.transitions.css

owl.transitions.css

908 ms

magnific-popup.css

magnific-popup.css

1145 ms

font-awesome.min.css

font-awesome.min.css

1570 ms

jquery.dataTables.css

jquery.dataTables.css

1578 ms

bootstrap-select.min.css

bootstrap-select.min.css

1369 ms

jquery.js

jquery.js

2796 ms

jquery-migrate.min.js

jquery-migrate.min.js

1582 ms

jquery.sidr.min.js

jquery.sidr.min.js

1651 ms

bootstrap.min.js

bootstrap.min.js

2038 ms

owl.carousel.min.js

owl.carousel.min.js

2237 ms

magnific-popup.min.js

magnific-popup.min.js

2269 ms

jquery.form-validator.min.js

jquery.form-validator.min.js

2501 ms

html5shiv.js

html5shiv.js

2085 ms

respond.min.js

respond.min.js

2482 ms

jquery.dataTables.min.js

jquery.dataTables.min.js

3203 ms

lazyLoader.js

lazyLoader.js

2681 ms

nicescroll.js

nicescroll.js

3173 ms

bootstrap-select.min.js

bootstrap-select.min.js

3135 ms

jquery.cookie.js

jquery.cookie.js

2959 ms

js

js

86 ms

script.js

script.js

3572 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

4364 ms

layerslider.transitions.js

layerslider.transitions.js

4113 ms

TweenMax.min.js

TweenMax.min.js

64 ms

layerslider.transition.gallery.js

layerslider.transition.gallery.js

3565 ms

jquery.minicolors.js

jquery.minicolors.js

3821 ms

imagelightbox.js

imagelightbox.js

3656 ms

api.js

api.js

79 ms

css

css

21 ms

recaptcha__en.js

recaptcha__en.js

91 ms

map-kenya.png

map-kenya.png

487 ms

map-tanzania.png

map-tanzania.png

485 ms

map-uganda.png

map-uganda.png

498 ms

map-malawi.png

map-malawi.png

504 ms

map-zambia.png

map-zambia.png

505 ms

top_menu_bg.png

top_menu_bg.png

506 ms

logo.png

logo.png

931 ms

SmartTZ.jpg

SmartTZ.jpg

2275 ms

FashionSwa.png

FashionSwa.png

4653 ms

swahilislider.png

swahilislider.png

2522 ms

faq1.png

faq1.png

960 ms

how-to-pay-1.png

how-to-pay-1.png

1194 ms

support1.png

support1.png

1378 ms

tv.png

tv.png

1392 ms

million-dollar-rooms.png

million-dollar-rooms.png

1640 ms

Now-On-TV-LesMiserables.png

Now-On-TV-LesMiserables.png

3691 ms

Now-On-TV-Jazbaa.png

Now-On-TV-Jazbaa.png

4222 ms

Now-On-TV-Kandi.png

Now-On-TV-Kandi.png

4075 ms

Now-On-TV-Stoked.png

Now-On-TV-Stoked.png

4492 ms

SmartLaunch.png

SmartLaunch.png

5421 ms

chat-icon.png

chat-icon.png

4375 ms

goat.png

goat.png

5909 ms

header-txt.png

header-txt.png

4883 ms

embed.js

embed.js

77 ms

menu_transparency.png

menu_transparency.png

4793 ms

AKu1CjQ4qnV8MUltkAX3sFBI1aZvkJLeFEwcwXkBYq0.ttf

AKu1CjQ4qnV8MUltkAX3sFBI1aZvkJLeFEwcwXkBYq0.ttf

13 ms

6LmGj5dOJopQKEkt88GowQNd2zpumJ3ZXdYPaAdqT7w.ttf

6LmGj5dOJopQKEkt88GowQNd2zpumJ3ZXdYPaAdqT7w.ttf

68 ms

6LmGj5dOJopQKEkt88GowfqJSHIsY8pKqTgTouATXAk.ttf

6LmGj5dOJopQKEkt88GowfqJSHIsY8pKqTgTouATXAk.ttf

68 ms

Gotham-Book.otf

Gotham-Book.otf

6080 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

5727 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

5441 ms

Gotham-Bold.otf

Gotham-Bold.otf

6451 ms

gtm.js

gtm.js

67 ms

gtm.js

gtm.js

62 ms

fallback

fallback

51 ms

swiftype_nocode-d8273559be65c04593eb2a85dc0df637.js

swiftype_nocode-d8273559be65c04593eb2a85dc0df637.js

78 ms

swiftype_nocode-bcc8d1c39f18a7802a7ee2c6f76577f3.css

swiftype_nocode-bcc8d1c39f18a7802a7ee2c6f76577f3.css

66 ms

collect

collect

26 ms

collect

collect

96 ms

fallback__ltr.css

fallback__ltr.css

18 ms

payload

payload

62 ms

collect

collect

49 ms

css

css

82 ms

collect

collect

19 ms

ga-audiences

ga-audiences

18 ms

ga-audiences

ga-audiences

20 ms

logo_48.png

logo_48.png

4 ms

refresh.png

refresh.png

4 ms

audio.png

audio.png

6 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

29 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

38 ms

common.js

common.js

6 ms

util.js

util.js

26 ms

stats.js

stats.js

24 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

248 ms

overlay_bg-641ab15b9fe7cd9faabf12d0415c92d2.png

overlay_bg-641ab15b9fe7cd9faabf12d0415c92d2.png

20 ms

cc.js

cc.js

21 ms

Accessibility Review

zuku.co.tz accessibility score

77

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zuku.co.tz best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zuku.co.tz SEO score

93

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zuku.co.tz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zuku.co.tz 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

zuku.co.tz

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