Tools & Wizards About Us
mastertel.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

mastertel.com

Mastertel - Service Provider of Moscow and St. Petersburg

Page Load Speed

6.6 sec in total

First Response

459 ms

Resources Loaded

4.6 sec

Page Rendered

1.5 sec

mastertel.com screenshot

About Website

Welcome to mastertel.com homepage info - get ready to check Mastertel best content right away, or after learning these important things about mastertel.com

«Mastertel» - one of the largest telecommunications provider in Moscow and St. Petersburg with more than 10 years of experience.

Visit mastertel.com

Key Findings

We analyzed Mastertel.com page load time and found that the first response time was 459 ms and then it took 6.1 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

mastertel.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value1,370 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

mastertel.com

459 ms

mastertel.com

501 ms

1080 ms

style.min.css

636 ms

w9OqTTrcy5

115 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Mastertel.com, 88% (51 requests) were made to Mastertel.ru and 2% (1 request) were made to Code-ya.jivosite.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Mastertel.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (24%)

Content Size

4.3 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mastertel.com main page is 4.3 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. 55% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 237.8 kB

  • Original 312.7 kB
  • After minification 245.3 kB
  • After compression 75.0 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 67.4 kB, which is 22% 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 237.8 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 263.7 kB

  • Original 3.2 MB
  • After minification 2.9 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. Mastertel images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 331.7 kB

  • Original 546.6 kB
  • After minification 546.6 kB
  • After compression 214.9 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 331.7 kB or 61% of the original size.

CSS Optimization

-88%

Potential reduce by 180.4 kB

  • Original 204.6 kB
  • After minification 155.9 kB
  • After compression 24.3 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. Mastertel.com needs all CSS files to be minified and compressed as it can save up to 180.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (9%)

Requests Now

46

After Optimization

42

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mastertel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

mastertel.com

mastertel.com

459 ms

mastertel.com

mastertel.com

501 ms

1080 ms

style.min.css

style.min.css

636 ms

w9OqTTrcy5

w9OqTTrcy5

115 ms

rellax.min.js

rellax.min.js

31 ms

vendor.script.js

vendor.script.js

1104 ms

script.js

script.js

381 ms

api.js

api.js

43 ms

watch.js

watch.js

132 ms

logo.svg

logo.svg

132 ms

sprite_auto.svg

sprite_auto.svg

136 ms

Group%204.jpg

Group%204.jpg

262 ms

2%20(1).jpg

2%20(1).jpg

514 ms

3%20(1).jpg

3%20(1).jpg

736 ms

4%20(2).jpg

4%20(2).jpg

521 ms

5%20(1).jpg

5%20(1).jpg

949 ms

6%20(2).jpg

6%20(2).jpg

952 ms

7%20(3).jpg

7%20(3).jpg

768 ms

9%20(1).png

9%20(1).png

1113 ms

map.png

map.png

981 ms

museum-logo.png

museum-logo.png

863 ms

digital-ocean-logo.png

digital-ocean-logo.png

897 ms

x-team-logo.svg

x-team-logo.svg

991 ms

sprite_auto.svg

sprite_auto.svg

1049 ms

Raif_logo.png

Raif_logo.png

1098 ms

rostelecom.png

rostelecom.png

1112 ms

mchs-logo.png

mchs-logo.png

1138 ms

afl-logo.png

afl-logo.png

1115 ms

tele2.png

tele2.png

1176 ms

sberbank-logo.png

sberbank-logo.png

1248 ms

sc_logo.png

sc_logo.png

1257 ms

beeline.png

beeline.png

1244 ms

TASS-logo.png

TASS-logo.png

1245 ms

RusGidro-logo.png

RusGidro-logo.png

1295 ms

logo-uralsib.png

logo-uralsib.png

1310 ms

otkrytie-logo.png

otkrytie-logo.png

1376 ms

CROC-logo.png

CROC-logo.png

1371 ms

VTB-logo.png

VTB-logo.png

1406 ms

Kaspersky_logo.png

Kaspersky_logo.png

1403 ms

logo_gazprombank.png

logo_gazprombank.png

1448 ms

yandex_logo.png

yandex_logo.png

1438 ms

mail.ru-logo.png

mail.ru-logo.png

1501 ms

megafon.png

megafon.png

1506 ms

Logo_DataLine.png

Logo_DataLine.png

1480 ms

subset-SFProDisplay-Regular.woff

subset-SFProDisplay-Regular.woff

1618 ms

subset-SFProDisplay-Medium.woff

subset-SFProDisplay-Medium.woff

1437 ms

subset-SFProDisplay-Semibold.woff

subset-SFProDisplay-Semibold.woff

1699 ms

subset-SFProDisplay-Bold.woff

subset-SFProDisplay-Bold.woff

1261 ms

subset-SFProDisplay-Heavy.woff

subset-SFProDisplay-Heavy.woff

1123 ms

recaptcha__en.js

recaptcha__en.js

31 ms

subset-SFProDisplay-Black.woff

subset-SFProDisplay-Black.woff

1190 ms

Huawei-logo.png

Huawei-logo.png

972 ms

datapro-logo.png

datapro-logo.png

1008 ms

wave.png

wave.png

983 ms

feedback-select.svg

feedback-select.svg

990 ms

logo-white.svg

logo-white.svg

962 ms

dot.svg

dot.svg

925 ms

Accessibility Review

mastertel.com accessibility score

79

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

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

mastertel.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

mastertel.com SEO score

85

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

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 Mastertel.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 Mastertel.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

mastertel.com

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