Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

whois.tznic.or.tz

tzNIC Web Whois - form

Page Load Speed

14.2 sec in total

First Response

1.6 sec

Resources Loaded

12.5 sec

Page Rendered

93 ms

whois.tznic.or.tz screenshot

About Website

Click here to check amazing Whois TzNIC content for Tanzania. Otherwise, check out these important facts you probably never knew about whois.tznic.or.tz

Tanzania Network Information Centre (tzNIC) is the Internet registry for .tz domain names. We manage a system that locates where a .tz mail or web server is located. Tanzania Network Information Centr...

Visit whois.tznic.or.tz

Key Findings

We analyzed Whois.tznic.or.tz page load time and found that the first response time was 1.6 sec and then it took 12.6 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

whois.tznic.or.tz performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

whois.tznic.or.tz

1576 ms

search-for-a-domain

4954 ms

template.css

223 ms

jquery.min.js

897 ms

jquery-noconflict.js

671 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 49% of them (24 requests) were addressed to the original Whois.tznic.or.tz, 45% (22 requests) were made to Tznic.or.tz and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5 sec) relates to the external source Tznic.or.tz.

Page Optimization Overview & Recommendations

Page size can be reduced by 376.5 kB (67%)

Content Size

560.8 kB

After Optimization

184.3 kB

In fact, the total size of Whois.tznic.or.tz main page is 560.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 363.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 11.5 kB

  • Original 14.8 kB
  • After minification 12.8 kB
  • After compression 3.3 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 2.0 kB, which is 14% 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 11.5 kB or 78% of the original size.

Image Optimization

-26%

Potential reduce by 21.7 kB

  • Original 82.8 kB
  • After minification 61.0 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. Obviously, Whois TzNIC needs image optimization as it can save up to 21.7 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 261.8 kB

  • Original 363.4 kB
  • After minification 276.3 kB
  • After compression 101.7 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 261.8 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 81.5 kB

  • Original 99.8 kB
  • After minification 89.6 kB
  • After compression 18.3 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. Whois.tznic.or.tz needs all CSS files to be minified and compressed as it can save up to 81.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (57%)

Requests Now

47

After Optimization

20

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Whois TzNIC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

whois.tznic.or.tz accessibility score

95

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

whois.tznic.or.tz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

whois.tznic.or.tz SEO score

64

Search Engine Optimization Advices

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 Whois.tznic.or.tz 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 Whois.tznic.or.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

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