Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

tkalvo.ru

Page Load Speed

10.2 sec in total

First Response

743 ms

Resources Loaded

8.9 sec

Page Rendered

497 ms

About Website

Visit tkalvo.ru now to see the best up-to-date Tkalvo content for Russia and also check out these interesting facts you probably never knew about tkalvo.ru

Компания АЛЬВО устанавливает оборудование ip-телефонии, мини-атс (Екатеринбург), call-центров, предоставляет услуги по обслуживанию АТС и прочего оборудования связи. Компания оказывает услуги по устан...

Visit tkalvo.ru

Key Findings

We analyzed Tkalvo.ru page load time and found that the first response time was 743 ms and then it took 9.4 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

tkalvo.ru performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value15,200 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.184

66/100

15%

TTI (Time to Interactive)

Value28.6 s

0/100

10%

Network Requests Diagram

tkalvo.ru

743 ms

www.tkalvo.ru

1075 ms

hs.js

338 ms

jquery.min.js

1066 ms

jquery.form.js

628 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 49% of them (75 requests) were addressed to the original Tkalvo.ru, 10% (15 requests) were made to Scontent.xx.fbcdn.net and 7% (11 requests) were made to Static.krible.ru. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Tkalvo.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 858.7 kB (35%)

Content Size

2.4 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tkalvo.ru main page is 2.4 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. 60% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 162.9 kB

  • Original 188.6 kB
  • After minification 181.9 kB
  • After compression 25.7 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 162.9 kB or 86% of the original size.

Image Optimization

-10%

Potential reduce by 143.1 kB

  • Original 1.5 MB
  • After minification 1.3 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. Tkalvo images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 447.0 kB

  • Original 639.7 kB
  • After minification 550.3 kB
  • After compression 192.7 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 447.0 kB or 70% of the original size.

CSS Optimization

-81%

Potential reduce by 105.7 kB

  • Original 131.1 kB
  • After minification 104.6 kB
  • After compression 25.4 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. Tkalvo.ru needs all CSS files to be minified and compressed as it can save up to 105.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (42%)

Requests Now

143

After Optimization

83

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tkalvo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tkalvo.ru accessibility score

62

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

tkalvo.ru best practices score

58

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tkalvo.ru SEO score

62

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tkalvo.ru can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Tkalvo.ru 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 data is detected on the main page of Tkalvo. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: