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zastonetech.com screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

zastonetech.com

ZASTONE | Radio Communication Solution | China Two Way Radio Supplier

Page Load Speed

1.2 sec in total

First Response

155 ms

Resources Loaded

820 ms

Page Rendered

183 ms

zastonetech.com screenshot

About Website

Welcome to zastonetech.com homepage info - get ready to check ZASTONE Tech best content for Russia right away, or after learning these important things about zastonetech.com

ZASTONE offers secure communication systems for shopping centers, restaurants, etc. Its two way radios provide users with the means to communicate reliably, effectively with the minimum of fuss.

Visit zastonetech.com

Key Findings

We analyzed Zastonetech.com page load time and found that the first response time was 155 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

zastonetech.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value2.3 s

98/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.557

13/100

15%

TTI (Time to Interactive)

Value6.2 s

63/100

10%

Network Requests Diagram

zastonetech.com

155 ms

responsive.css

63 ms

font-awesome.min.css

120 ms

md.js

118 ms

jquery.min.1.9.1.js

183 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 60% of them (25 requests) were addressed to the original Zastonetech.com, 29% (12 requests) were made to Etwus23.com and 12% (5 requests) were made to Etwinternational.com. The less responsive or slowest element that took the longest time to load (487 ms) belongs to the original domain Zastonetech.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 301.3 kB (19%)

Content Size

1.6 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zastonetech.com main page is 1.6 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 21.7 kB

  • Original 28.5 kB
  • After minification 28.0 kB
  • After compression 6.8 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 21.7 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 474 B

  • Original 1.1 MB
  • After minification 1.1 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. ZASTONE Tech images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 128.1 kB

  • Original 219.5 kB
  • After minification 217.1 kB
  • After compression 91.4 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 128.1 kB or 58% of the original size.

CSS Optimization

-79%

Potential reduce by 151.0 kB

  • Original 190.5 kB
  • After minification 190.1 kB
  • After compression 39.5 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. Zastonetech.com needs all CSS files to be minified and compressed as it can save up to 151.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (35%)

Requests Now

37

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZASTONE Tech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zastonetech.com

zastonetech.com

155 ms

responsive.css

responsive.css

63 ms

font-awesome.min.css

font-awesome.min.css

120 ms

md.js

md.js

118 ms

jquery.min.1.9.1.js

jquery.min.1.9.1.js

183 ms

chat.2015.js

chat.2015.js

82 ms

top.2015.js

top.2015.js

64 ms

jquery.unveil.js

jquery.unveil.js

124 ms

jquery.slides.min.js

jquery.slides.min.js

125 ms

search_public.js

search_public.js

305 ms

logo1.jpg

logo1.jpg

126 ms

banner-1.jpg

banner-1.jpg

348 ms

banner-2.jpg

banner-2.jpg

462 ms

banner-3.jpg

banner-3.jpg

365 ms

banner-4.jpg

banner-4.jpg

366 ms

banner-5.jpg

banner-5.jpg

438 ms

H-174215-hot1.jpg

H-174215-hot1.jpg

243 ms

H-187819-hot3.jpg

H-187819-hot3.jpg

304 ms

H-174217-hot4.jpg

H-174217-hot4.jpg

364 ms

H-150701-hot2.jpg

H-150701-hot2.jpg

406 ms

H-185323-hot6.jpg

H-185323-hot6.jpg

425 ms

H-174219-hot5.jpg

H-174219-hot5.jpg

426 ms

H-174221-hot7.jpg

H-174221-hot7.jpg

427 ms

H-101647-hot8.jpg

H-101647-hot8.jpg

465 ms

aabout-01.jpg

aabout-01.jpg

487 ms

menu_dq.jpg

menu_dq.jpg

365 ms

index.php

index.php

135 ms

search_public.js

search_public.js

146 ms

index.php

index.php

68 ms

lpe.gif

lpe.gif

29 ms

sitemap.gif

sitemap.gif

54 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

144 ms

bootstrap.min.css

bootstrap.min.css

98 ms

font-awesome.min.css

font-awesome.min.css

29 ms

jquery.min.3.3.1.js

jquery.min.3.3.1.js

95 ms

bootstrap.min.js

bootstrap.min.js

59 ms

chat2019.js

chat2019.js

64 ms

loading.gif

loading.gif

155 ms

index.php

index.php

29 ms

search.css

search.css

32 ms

search.css

search.css

30 ms

arrow.png

arrow.png

76 ms

Accessibility Review

zastonetech.com accessibility score

76

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.

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

zastonetech.com best practices score

75

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

Page has valid source maps

SEO Factors

zastonetech.com SEO score

89

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

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 Zastonetech.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 Zastonetech.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.

Social Sharing Optimization

zastonetech.com

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