Access bigbilet.ru. Город театров (Электронный билет)

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.1 s

51/100

10%

bigbilet.ru

549 ms

all.css

2717 ms

jquery.airlabs.resources.js

1893 ms

jquery.airlabs.js

271 ms

dc.js

130 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 95% of them (52 requests) were addressed to the original Bigbilet.ru, 4% (2 requests) were made to Stats.g.doubleclick.net and 2% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Bigbilet.ru.

Content Size

2.8 MB

After Optimization

1.8 MB

In fact, the total size of Bigbilet.ru main page is 2.8 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. 35% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 130.6 kB

Original 158.5 kB
After minification 118.9 kB
After compression 27.9 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. This page needs HTML code to be minified as it can gain 39.6 kB, which is 25% 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 130.6 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 41.8 kB

Original 1.6 MB
After minification 1.5 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. Bigbilet images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 512.2 kB

Original 743.9 kB
After minification 743.9 kB
After compression 231.7 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 512.2 kB or 69% of the original size.

CSS Optimization

-79%

Potential reduce by 294.5 kB

Original 373.7 kB
After minification 373.7 kB
After compression 79.2 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. Bigbilet.ru needs all CSS files to be minified and compressed as it can save up to 294.5 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bigbilet. According to our analytics all requests are already optimized.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

RU
Encoding

UTF-8

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

bigbilet.ru

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

Город театров (Электронный билет) - bigbilet.ru

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

bigbilet.ru

all.css

jquery.airlabs.resources.js

jquery.airlabs.js

dc.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

bigbilet.ru

all.css

jquery.airlabs.resources.js

jquery.airlabs.js

dc.js

header-top.jpg

sprite-icon.png

redstar.png

logo-white.png

arrow_search.png

47568.jpg

47182.jpg

53687.jpg

53629.jpg

56501.jpg

loadGrey.gif

footer_logo.png

dynamic

fast-sprite.png

love-actor.jpg

sprite-search.png

footer-social.png

Raleway-Medium.svg

RalewayBold.svg

watch.js

all.js

customValidation.js

__utm.gif

RalewayBold.woff

Raleway-Medium.woff

208450.jpg

46569.jpg

48508.jpg

208470.jpg

46509.jpg

47428.jpg

50779.jpg

208530.jpg

46474.jpg

50344.jpg

208550.jpg

47188.jpg

196982.jpg