Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

deltacommunications.net

Real-PTT – Push to Talk over Cellular

Page Load Speed

4.3 sec in total

First Response

90 ms

Resources Loaded

4 sec

Page Rendered

187 ms

deltacommunications.net screenshot

About Website

Visit deltacommunications.net now to see the best up-to-date Deltacommunications content and also check out these interesting facts you probably never knew about deltacommunications.net

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Key Findings

We analyzed Deltacommunications.net page load time and found that the first response time was 90 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

deltacommunications.net performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value1,620 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

deltacommunications.net

90 ms

www.realptt.co.za

1059 ms

bootstrap.min.css

272 ms

style.min.css

590 ms

styles.css

718 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Deltacommunications.net, 84% (16 requests) were made to Realptt.co.za and 5% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Realptt.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.8 kB (11%)

Content Size

433.5 kB

After Optimization

383.7 kB

In fact, the total size of Deltacommunications.net main page is 433.5 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. 15% of websites need less resources to load. Javascripts take 245.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 47.0 kB

  • Original 58.1 kB
  • After minification 56.9 kB
  • After compression 11.1 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 47.0 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 730 B

  • Original 102.3 kB
  • After minification 101.6 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. Deltacommunications images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.1 kB

  • Original 245.0 kB
  • After minification 245.0 kB
  • After compression 243.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 1.0 kB

  • Original 28.1 kB
  • After minification 27.3 kB
  • After compression 27.1 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. Deltacommunications.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (59%)

Requests Now

17

After Optimization

7

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Deltacommunications. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

deltacommunications.net accessibility score

97

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

deltacommunications.net best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

deltacommunications.net SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Deltacommunications.net 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 Deltacommunications.net 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 Deltacommunications. 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: