Access perfekt-ok.edu.pl. Szkoła językowa, kursy angielskiego Łódź

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value6,770 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.268

46/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

perfekt-ok.edu.pl

1046 ms

style.css

226 ms

fbslider.js

242 ms

ga.js

28 ms

wp-emoji-release.min.js

116 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 36% of them (20 requests) were addressed to the original Perfekt-ok.edu.pl, 36% (20 requests) were made to Static.xx.fbcdn.net and 18% (10 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Perfekt-ok.edu.pl.

Content Size

372.4 kB

After Optimization

335.7 kB

In fact, the total size of Perfekt-ok.edu.pl main page is 372.4 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. 55% of websites need less resources to load. Images take 278.0 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 11.4 kB

Original 15.7 kB
After minification 15.1 kB
After compression 4.3 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 11.4 kB or 73% of the original size.

Image Optimization

-2%

Potential reduce by 4.8 kB

Original 278.0 kB
After minification 273.2 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. Perfekt OK images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 16.4 kB

Original 73.3 kB
After minification 71.8 kB
After compression 56.9 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 16.4 kB or 22% of the original size.

CSS Optimization

-74%

Potential reduce by 4.0 kB

Original 5.4 kB
After minification 4.4 kB
After compression 1.4 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. Perfekt-ok.edu.pl needs all CSS files to be minified and compressed as it can save up to 4.0 kB or 74% of the original size.

Requests Now

After Optimization

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Perfekt OK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 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 legibility of your content.

High

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

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

<frame> or <iframe> elements do not have a title

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

Language and Encoding

Language Detected

PL
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Perfekt-ok.edu.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish 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 Perfekt-ok.edu.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

perfekt-ok.edu.pl

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

Szkoła językowa, kursy angielskiego Łódź | Perfekt OK

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

perfekt-ok.edu.pl

style.css

fbslider.js

ga.js

wp-emoji-release.min.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

perfekt-ok.edu.pl

style.css

fbslider.js

ga.js

wp-emoji-release.min.js

jquery.min.js

indianin-mini-300x199.jpg

body_bg.jpg

gb.png

de.png

fr.png

it.png

es.png

pt.png

ru.png

cn.png

jp.png

pl.png

header_bg.png

content_bg.jpg

simple-smile.png

footer_bg.png

__utm.gif

slider_text_white.png

likebox.php

hDvwL1_H7g-.css

56WNbrUYLbL.css

GN27K_co9Wc.css

q68gy-v_YMF.js

FJmpeSpHpjS.js

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Oagsvfb4VWi.js

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HgJbVwzBr8E.js

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430645_287980201271587_806345555_n.jpg

549361_826020750800860_2528230897488990592_n.jpg

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