Tools & Wizards About Us
lekturyonline.pl screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

lekturyonline.pl

FlashCar - Motoryzacja | Poradniki | Newsy

Page Load Speed

1.9 sec in total

First Response

445 ms

Resources Loaded

1.2 sec

Page Rendered

234 ms

lekturyonline.pl screenshot

About Website

Visit lekturyonline.pl now to see the best up-to-date Lekturyonline content and also check out these interesting facts you probably never knew about lekturyonline.pl

Motoryzacja | Poradniki | Newsy

Visit lekturyonline.pl

Key Findings

We analyzed Lekturyonline.pl page load time and found that the first response time was 445 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

lekturyonline.pl performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

lekturyonline.pl

445 ms

style.css

107 ms

1.jpg

201 ms

2.jpg

209 ms

10.jpg

211 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 87% of them (34 requests) were addressed to the original Lekturyonline.pl, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (741 ms) belongs to the original domain Lekturyonline.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 44.8 kB (18%)

Content Size

252.2 kB

After Optimization

207.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lekturyonline.pl main page is 252.2 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. 25% of websites need less resources to load. Images take 197.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 24.4 kB

  • Original 29.3 kB
  • After minification 27.6 kB
  • After compression 4.9 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 24.4 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 14.4 kB

  • Original 197.8 kB
  • After minification 183.5 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. Lekturyonline images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-76%

Potential reduce by 6.0 kB

  • Original 7.9 kB
  • After minification 7.5 kB
  • After compression 1.9 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. Lekturyonline.pl needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

38

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lekturyonline. According to our analytics all requests are already optimized.

Network Requests Diagram

lekturyonline.pl

lekturyonline.pl

445 ms

style.css

style.css

107 ms

1.jpg

1.jpg

201 ms

2.jpg

2.jpg

209 ms

10.jpg

10.jpg

211 ms

11.jpg

11.jpg

211 ms

12.jpg

12.jpg

213 ms

baner.jpg

baner.jpg

423 ms

filmy_h.png

filmy_h.png

302 ms

3.jpg

3.jpg

310 ms

4.jpg

4.jpg

311 ms

5.jpg

5.jpg

312 ms

17.jpg

17.jpg

317 ms

6.jpg

6.jpg

404 ms

7.jpg

7.jpg

412 ms

8.jpg

8.jpg

413 ms

9.jpg

9.jpg

414 ms

10.jpg

10.jpg

422 ms

11.jpg

11.jpg

507 ms

12.jpg

12.jpg

516 ms

13.jpg

13.jpg

516 ms

audio_h.png

audio_h.png

517 ms

ebook_h.png

ebook_h.png

527 ms

baner2.jpg

baner2.jpg

741 ms

like.php

like.php

218 ms

ga.js

ga.js

7 ms

bg.jpg

bg.jpg

501 ms

logo.png

logo.png

510 ms

input_140.jpg

input_140.jpg

510 ms

input_160.jpg

input_160.jpg

511 ms

input_160_2.jpg

input_160_2.jpg

523 ms

topbook.png

topbook.png

605 ms

szukaj1.jpg

szukaj1.jpg

613 ms

szukaj2.jpg

szukaj2.jpg

614 ms

t1corner.png

t1corner.png

615 ms

more_s.jpg

more_s.jpg

630 ms

__utm.gif

__utm.gif

13 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

25 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

13 ms

Accessibility Review

lekturyonline.pl accessibility score

88

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Links do not have a discernible name

Best Practices

lekturyonline.pl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

lekturyonline.pl SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Lekturyonline.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 Lekturyonline.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

lekturyonline.pl

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