Access opera.poznan.pl. Teatr Wielki im. Stanisława Moniuszki w Poznaniu

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value25.2 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value2.423

0/100

15%

TTI (Time to Interactive)

Value30.8 s

0/100

10%

opera.poznan.pl

598 ms

www.opera.poznan.pl

613 ms

818 ms

css

785 ms

zabuto_calendar.css

253 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 97% of them (61 requests) were addressed to the original Opera.poznan.pl, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Opera.poznan.pl.

Content Size

2.3 MB

After Optimization

1.9 MB

In fact, the total size of Opera.poznan.pl main page is 2.3 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. 55% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 70.5 kB

Original 82.4 kB
After minification 74.1 kB
After compression 11.9 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 70.5 kB or 86% of the original size.

Image Optimization

-11%

Potential reduce by 237.3 kB

Original 2.1 MB
After minification 1.9 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. Obviously, Opera needs image optimization as it can save up to 237.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 41.3 kB

Original 76.7 kB
After minification 65.2 kB
After compression 35.4 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 41.3 kB or 54% of the original size.

CSS Optimization

-83%

Potential reduce by 46.1 kB

Original 55.7 kB
After minification 50.1 kB
After compression 9.7 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. Opera.poznan.pl needs all CSS files to be minified and compressed as it can save up to 46.1 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opera. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

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

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Language and Encoding

Language Detected

PL
Language Claimed

PL
Encoding

UTF-8

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

opera.poznan.pl

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

Teatr Wielki im. Stanisława Moniuszki w Poznaniu

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

opera.poznan.pl

www.opera.poznan.pl

css

zabuto_calendar.css

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

opera.poznan.pl

www.opera.poznan.pl

css

zabuto_calendar.css

commonjs

zabuto_calendar.min.js

prettyPhoto.css

font-awesome.css

jquery.BlackAndWhite.js

jquery.prettyPhoto.js

jquery.marquee.min.js

jquery.marquee.init.min.js

slider.init.min.js

slider.min.js

newsletter-widget-1.0.0.js

logo.png

002684photo.jpeg

002324photo.jpeg

002787photo.jpeg

002779photo.jpeg

002796photo.jpeg

002772photo.jpeg

002773photo.jpeg

002774photo.jpeg

002805thumb.jpeg

000357thumb.jpeg

000358thumb.jpeg

002696photo.jpeg

TitilliumWeb-Regular.ttf

simpleicons.woff

genericons-regular-webfont.woff

fontawesome-webfont.woff

fontawesome-webfont.woff

partner-1.jpg

partner-2.jpg

mecenas-teatru-sm.jpg

logo-1.jpg

logo-2.jpg

logo-3.jpg

logo-4.jpg

logo-5.jpg

logo-6.jpg

glyphicons-halflings-regular.woff

ajax-loader-small.gif