Access mastertel.com. Mastertel - Service Provider of Moscow and St. Petersburg

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,590 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

mastertel.com

566 ms

1223 ms

func.pack.js

531 ms

func.scroll.js

266 ms

func.mastertel.js

274 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Mastertel.com, 96% (66 requests) were made to Mastertel.ru and 1% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Mastertel.ru.

Content Size

478.1 kB

After Optimization

346.1 kB

In fact, the total size of Mastertel.com main page is 478.1 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. 25% of websites need less resources to load. Images take 327.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 14.8 kB

Original 19.6 kB
After minification 18.1 kB
After compression 4.8 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 14.8 kB or 76% of the original size.

Image Optimization

-7%

Potential reduce by 24.5 kB

Original 327.4 kB
After minification 302.9 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. Mastertel images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 64.4 kB

Original 97.7 kB
After minification 95.0 kB
After compression 33.3 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 64.4 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 28.2 kB

Original 33.4 kB
After minification 23.7 kB
After compression 5.2 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 28.2 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 66 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.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

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.

High

Buttons do not have an accessible name

High

Form elements do not have associated labels

These are opportunities to improve the legibility of your content.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

WINDOWS-1251

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 neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Mastertel.com main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Mastertel - Service Provider of Moscow and St. Petersburg

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

mastertel.com

func.pack.js

func.scroll.js

func.mastertel.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

mastertel.com

func.pack.js

func.scroll.js

func.mastertel.js

jquery.simplemodal.js

jquery.corner.js

default.css

style.css

styles.css

logo.gif

get_flash_player.gif

ico-rus.gif

ico-sitemap.gif

ico-search.gif

ico-subscribe.gif

WEB_Button_en.png

menu-bg.gif

menu-start.gif

menu-act-start.gif

menu-act-bg.gif

menu-act-end.gif

menu-sep.gif

menu-end.gif

part-arr-down.gif

arr-left-sm.gif

rat.jpg

intel-logo.jpg

lamoda.jpg

major.jpg

merlion-logo.jpg

logo.jpg

arr-right-sm.gif

arr-left.gif

partners-en-act.jpg

developers-en-act.jpg

company-en-act.jpg

small-en-act.jpg

data-centers-en-act.jpg

operators-en-act.jpg

arr-right.gif

3data_925_90_en.jpg

carprice%20rxp.jpg

bul-news-date.gif

3data_logo%20gpd.jpg