Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

operaclassic.net

Оперное искусство

Page Load Speed

2.9 sec in total

First Response

504 ms

Resources Loaded

1.9 sec

Page Rendered

526 ms

operaclassic.net screenshot

About Website

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

Страницы, посвященные искусству классической оперы. Оперы, композиторы, либретто, очерки о музыкальных особенностях произведений, музыкальный киоск, о лучших театрах и исполнителях, избранные ссылки

Visit operaclassic.net

Key Findings

We analyzed Operaclassic.net page load time and found that the first response time was 504 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

operaclassic.net performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.3 s

93/100

10%

Network Requests Diagram

operaclassic.net

504 ms

jquery.js

347 ms

jqueryui.js

472 ms

dle_js.js

355 ms

highslide.js

353 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that all of those requests were addressed to Operaclassic.net and no external sources were called. The less responsive or slowest element that took the longest time to load (942 ms) belongs to the original domain Operaclassic.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 560.7 kB (61%)

Content Size

920.5 kB

After Optimization

359.8 kB

In fact, the total size of Operaclassic.net main page is 920.5 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 664.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 30.7 kB

  • Original 38.2 kB
  • After minification 31.3 kB
  • After compression 7.6 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 6.9 kB, which is 18% 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 30.7 kB or 80% of the original size.

Image Optimization

-57%

Potential reduce by 381.4 kB

  • Original 664.8 kB
  • After minification 283.4 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. Obviously, Operaclassic needs image optimization as it can save up to 381.4 kB or 57% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 126.7 kB

  • Original 190.2 kB
  • After minification 188.8 kB
  • After compression 63.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 126.7 kB or 67% of the original size.

CSS Optimization

-80%

Potential reduce by 21.9 kB

  • Original 27.3 kB
  • After minification 22.1 kB
  • After compression 5.3 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. Operaclassic.net needs all CSS files to be minified and compressed as it can save up to 21.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (8%)

Requests Now

40

After Optimization

37

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Operaclassic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

operaclassic.net accessibility score

77

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

operaclassic.net best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

operaclassic.net SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Operaclassic.net 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 Operaclassic.net 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

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