Access krasopera.ru. Красноярский государственный театр оперы и балета

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value640 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.517

15/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

krasopera.ru

387 ms

krasopera.ru

1146 ms

jquery-1.9.1.min.js

558 ms

jquery.cookie.js

469 ms

scripts.js

471 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 83% of them (35 requests) were addressed to the original Krasopera.ru, 5% (2 requests) were made to Pos.gosuslugi.ru and 5% (2 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Krasopera.ru.

Content Size

4.3 MB

After Optimization

4.1 MB

In fact, the total size of Krasopera.ru main page is 4.3 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. 45% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 27.7 kB

Original 37.6 kB
After minification 36.7 kB
After compression 9.9 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 27.7 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 137.2 kB

Original 4.1 MB
After minification 4.0 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. Krasopera images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 19.5 kB

Original 116.1 kB
After minification 116.1 kB
After compression 96.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 19.5 kB or 17% of the original size.

CSS Optimization

-83%

Potential reduce by 60.8 kB

Original 73.5 kB
After minification 56.8 kB
After compression 12.7 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. Krasopera.ru needs all CSS files to be minified and compressed as it can save up to 60.8 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Krasopera. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

RU
Language Claimed

N/A
Encoding

UTF-8

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

krasopera.ru

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

Красноярский государственный театр оперы и балета

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

krasopera.ru

krasopera.ru

jquery-1.9.1.min.js

jquery.cookie.js

scripts.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

krasopera.ru

krasopera.ru

jquery-1.9.1.min.js

jquery.cookie.js

scripts.js

_styles.min.css

script.min.js

slippry.min.js

spxl.js

checkmark.png

ASE+1920x850+(1).jpg

sajt+1920-850+s+tekstom+kopiya+(2).jpg

Norma2_Slajder1920x85088.jpg

gala+otkrytiya.jpg

Efimov.jpg

Manon_Slajder1920x850.jpg

Korsar_Slajder1920x850.jpg

Boris_Slajder1920x850.jpg

Spartak_Slajder1920x850.jpg

Katarina_Slajder1920x85036.jpg

Ciryulnik.jpg

Slajder_SVO_1920x850.jpg

header-events.png

svo_325x159.jpg

gosuslugi-logo-blue.svg

3_0_FFFFFFFF_EFEFEFFF_0_pageviews

header-news.png

header-press.png

wsf-1z1fxxy_300x200.jpg

guzij_300x200.jpg

821a3151_300x238.jpg

12c7bd7f9c466bdd567c269430c21c5b_300x168.png

3ea7a93c7bb4badb6dfbc8eb9c14d268_300x168.png

b402c559c6d9e55f193b0264e1da300c_300x161.png

oklassniki.png

to-the-top.png

footer-logo.png

social-icons.png

tag.js

sy-loader.gif

advert.gif

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Accessibility Review