Tools & Wizards About Us
spbzvuk.ru screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

spbzvuk.ru

spbzvuk.ru - Магазин HI-FI в СПб,настроим,подключим домашний кинотеатр|B&W ZEPPELIN AIR цена в СПб | Подключение,настройка,установка колонок,акустики,...

Page Load Speed

3.7 sec in total

First Response

584 ms

Resources Loaded

2.8 sec

Page Rendered

285 ms

spbzvuk.ru screenshot

About Website

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

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Visit spbzvuk.ru

Key Findings

We analyzed Spbzvuk.ru page load time and found that the first response time was 584 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

spbzvuk.ru performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.158

73/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

spbzvuk.ru

584 ms

spbzvuk.ru

906 ms

style.css

142 ms

user.js

280 ms

top100.jcn

391 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 82% of them (23 requests) were addressed to the original Spbzvuk.ru, 7% (2 requests) were made to Counter.rambler.ru and 7% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (906 ms) belongs to the original domain Spbzvuk.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.3 kB (16%)

Content Size

251.3 kB

After Optimization

212.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Spbzvuk.ru main page is 251.3 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. 20% of websites need less resources to load. Images take 160.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 37.7 kB

  • Original 46.1 kB
  • After minification 40.7 kB
  • After compression 8.4 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 5.5 kB, which is 12% 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 37.7 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 636 B

  • Original 160.1 kB
  • After minification 159.5 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. Spbzvuk images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 599 B

  • Original 41.2 kB
  • After minification 41.2 kB
  • After compression 40.6 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

-10%

Potential reduce by 365 B

  • Original 3.8 kB
  • After minification 3.8 kB
  • After compression 3.5 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. Spbzvuk.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (43%)

Requests Now

23

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spbzvuk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

spbzvuk.ru

spbzvuk.ru

584 ms

spbzvuk.ru

spbzvuk.ru

906 ms

style.css

style.css

142 ms

user.js

user.js

280 ms

top100.jcn

top100.jcn

391 ms

watch.js

watch.js

0 ms

bgfon01.jpg

bgfon01.jpg

140 ms

mfon.gif

mfon.gif

292 ms

1-head.jpg

1-head.jpg

417 ms

pfon.gif

pfon.gif

409 ms

srg.gif

srg.gif

420 ms

bg.jpg

bg.jpg

420 ms

tfon.gif

tfon.gif

423 ms

pix_horiz_b.gif

pix_horiz_b.gif

430 ms

pixel.gif

pixel.gif

544 ms

knopfon.gif

knopfon.gif

555 ms

best.png

best.png

559 ms

teac_sl-d920-2.jpg

teac_sl-d920-2.jpg

697 ms

teac_lp-r500.jpg

teac_lp-r500.jpg

703 ms

mmf22.jpg

mmf22.jpg

707 ms

marantz-tt5005-black.jpg

marantz-tt5005-black.jpg

679 ms

b&w__zeppelin_air.jpg

b&w__zeppelin_air.jpg

694 ms

4100.jpg

4100.jpg

836 ms

bfon.gif

bfon.gif

814 ms

hit

hit

675 ms

top100.jcn

top100.jcn

650 ms

hit

hit

134 ms

styleprint.css

styleprint.css

141 ms

Accessibility Review

spbzvuk.ru accessibility score

50

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

spbzvuk.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

spbzvuk.ru SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spbzvuk.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Spbzvuk.ru 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

spbzvuk.ru

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