Tools & Wizards About Us
rock-history.ru screenshot

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

rock-history.ru

История рока, панка, металла, блюза - рок музыка в фактах кратко

Page Load Speed

3.3 sec in total

First Response

440 ms

Resources Loaded

2.3 sec

Page Rendered

533 ms

rock-history.ru screenshot

About Website

Welcome to rock-history.ru homepage info - get ready to check Rock History best content for Russia right away, or after learning these important things about rock-history.ru

Сайт История рока кратко и интересно расскажет как создавалась рок музыка - биографии музыкантов, факты про группы, их альбмоы и песни. История появления стилей рока.

Visit rock-history.ru

Key Findings

We analyzed Rock-history.ru page load time and found that the first response time was 440 ms and then it took 2.9 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

rock-history.ru performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

rock-history.ru

440 ms

rock-history.ru

649 ms

A.styles.5cec76d539db0ef8d0e8c71aaccb9ecb.css,q1602876349.pagespeed.cf.1eW_AW0DNo.css

111 ms

scripts.d89e47efa545d9cfc38265caa231e7c5.js,q1602876349.pagespeed.jm.XqOKefLnj6.js

221 ms

context.js

955 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 94% of them (31 requests) were addressed to the original Rock-history.ru, 3% (1 request) were made to Yandex.ru and 3% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (955 ms) relates to the external source Yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.5 kB (8%)

Content Size

638.3 kB

After Optimization

588.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rock-history.ru main page is 638.3 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. 30% of websites need less resources to load. Images take 421.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 49.3 kB

  • Original 65.0 kB
  • After minification 65.0 kB
  • After compression 15.7 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 49.3 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 142 B

  • Original 421.0 kB
  • After minification 420.9 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. Rock History images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 131.5 kB
  • After minification 131.5 kB
  • After compression 131.5 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

-0%

Potential reduce by 0 B

  • Original 20.8 kB
  • After minification 20.8 kB
  • After compression 20.8 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. Rock-history.ru has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

31

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rock History. According to our analytics all requests are already optimized.

Network Requests Diagram

rock-history.ru

rock-history.ru

440 ms

rock-history.ru

rock-history.ru

649 ms

A.styles.5cec76d539db0ef8d0e8c71aaccb9ecb.css,q1602876349.pagespeed.cf.1eW_AW0DNo.css

A.styles.5cec76d539db0ef8d0e8c71aaccb9ecb.css,q1602876349.pagespeed.cf.1eW_AW0DNo.css

111 ms

scripts.d89e47efa545d9cfc38265caa231e7c5.js,q1602876349.pagespeed.jm.XqOKefLnj6.js

scripts.d89e47efa545d9cfc38265caa231e7c5.js,q1602876349.pagespeed.jm.XqOKefLnj6.js

221 ms

context.js

context.js

955 ms

1.JiBnMqyl6S.gif

1.JiBnMqyl6S.gif

109 ms

xbg.png.pagespeed.ic.ogr7s3Ko7N.png

xbg.png.pagespeed.ic.ogr7s3Ko7N.png

344 ms

xbg_top.png.pagespeed.ic.r91u6pJ3Dq.png

xbg_top.png.pagespeed.ic.r91u6pJ3Dq.png

244 ms

search-glyph.png

search-glyph.png

328 ms

x5cbe45de.jpg.pagespeed.ic.p_mVG39bEW.jpg

x5cbe45de.jpg.pagespeed.ic.p_mVG39bEW.jpg

334 ms

xkris-kornell-biografija-i-fakty-photo-normal.jpg.pagespeed.ic.BvUohMkjAy.jpg

xkris-kornell-biografija-i-fakty-photo-normal.jpg.pagespeed.ic.BvUohMkjAy.jpg

333 ms

xpol-makkartni-umer-legenda-o-smerti-bitla-photo-normal.jpg.pagespeed.ic.3q8KTkXgAK.jpg

xpol-makkartni-umer-legenda-o-smerti-bitla-photo-normal.jpg.pagespeed.ic.3q8KTkXgAK.jpg

349 ms

xmik-dzhagger-photo-normal.jpg.pagespeed.ic.3H3J7UFskd.jpg

xmik-dzhagger-photo-normal.jpg.pagespeed.ic.3H3J7UFskd.jpg

363 ms

x2146142a.jpeg.pagespeed.ic.ptuosjqMnR.jpg

x2146142a.jpeg.pagespeed.ic.ptuosjqMnR.jpg

444 ms

x72afbba8.jpg.pagespeed.ic.o5Q7MOJSbI.jpg

x72afbba8.jpg.pagespeed.ic.o5Q7MOJSbI.jpg

453 ms

xa4e9a969.jpg.pagespeed.ic.ePnaxrtSxk.jpg

xa4e9a969.jpg.pagespeed.ic.ePnaxrtSxk.jpg

451 ms

x93c0c0ab.jpg.pagespeed.ic.e8-XowdaHJ.jpg

x93c0c0ab.jpg.pagespeed.ic.e8-XowdaHJ.jpg

456 ms

xarija-istorija-gruppy-photo-normal.jpg.pagespeed.ic.2UPCaxnoHg.jpg

xarija-istorija-gruppy-photo-normal.jpg.pagespeed.ic.2UPCaxnoHg.jpg

460 ms

xgruppa-alisa-photo-normal.jpg.pagespeed.ic.-20hT7Vb5_.jpg

xgruppa-alisa-photo-normal.jpg.pagespeed.ic.-20hT7Vb5_.jpg

482 ms

x2deb6012.jpg.pagespeed.ic.GkzZTiLIkx.jpg

x2deb6012.jpg.pagespeed.ic.GkzZTiLIkx.jpg

556 ms

x7ef47c91.jpg.pagespeed.ic.0UA80A8bUf.jpg

x7ef47c91.jpg.pagespeed.ic.0UA80A8bUf.jpg

569 ms

xzhuki-batareika-photo-normal.jpg.pagespeed.ic.-kmzFsi9kP.jpg

xzhuki-batareika-photo-normal.jpg.pagespeed.ic.-kmzFsi9kP.jpg

562 ms

xpesnja-pink-floyd-another-brick-in-the-wall-photo-normal.jpg.pagespeed.ic.yu5Fl8J46n.jpg

xpesnja-pink-floyd-another-brick-in-the-wall-photo-normal.jpg.pagespeed.ic.yu5Fl8J46n.jpg

572 ms

x9a680620.jpg.pagespeed.ic.uHpO2rzjvo.jpg

x9a680620.jpg.pagespeed.ic.uHpO2rzjvo.jpg

582 ms

108c5b59.jpg

108c5b59.jpg

590 ms

x101702c3.jpg.pagespeed.ic.jYfwYiZLyw.jpg

x101702c3.jpg.pagespeed.ic.jYfwYiZLyw.jpg

688 ms

xblyuz-rok-istorija-osobennosti-osnovnye-gruppy-photo-normal.jpg.pagespeed.ic.rbfydHHq4M.jpg

xblyuz-rok-istorija-osobennosti-osnovnye-gruppy-photo-normal.jpg.pagespeed.ic.rbfydHHq4M.jpg

701 ms

xhevi-metal-istorija-muzykalnogo-zhanra-photo-normal.jpg.pagespeed.ic.858L21toAR.jpg

xhevi-metal-istorija-muzykalnogo-zhanra-photo-normal.jpg.pagespeed.ic.858L21toAR.jpg

710 ms

xf8db5380.jpg.pagespeed.ic.5UW4mG_-RI.jpg

xf8db5380.jpg.pagespeed.ic.5UW4mG_-RI.jpg

705 ms

tag.js

tag.js

898 ms

x8aa7e6c8.jpg.pagespeed.ic.cZfEjT04zV.jpg

x8aa7e6c8.jpg.pagespeed.ic.cZfEjT04zV.jpg

668 ms

ab01b977.jpg

ab01b977.jpg

662 ms

1c8778ce.jpg

1c8778ce.jpg

866 ms

Accessibility Review

rock-history.ru accessibility score

91

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.

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

Best Practices

rock-history.ru best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rock-history.ru SEO score

100

Search Engine Optimization Advices

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

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rock-history.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Rock-history.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

rock-history.ru

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