Tools & Wizards About Us
jetline.pl screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

jetline.pl

Jet Line - agencja, która tworzy przestrzeń do komunikacji.

Page Load Speed

4.7 sec in total

First Response

342 ms

Resources Loaded

4 sec

Page Rendered

321 ms

jetline.pl screenshot

About Website

Welcome to jetline.pl homepage info - get ready to check Jet Line best content for Poland right away, or after learning these important things about jetline.pl

W Jet Line tworzymy przestrzeń do komunikacji. Najlepiej w Polsce realizujemy kampanie OOH i DOOH. Doradzamy, odradzamy, inspirujemy.

Visit jetline.pl

Key Findings

We analyzed Jetline.pl page load time and found that the first response time was 342 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

jetline.pl performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value2,200 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.068

96/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

jetline.pl

342 ms

www.jetline.pl

1020 ms

137 ms

161 ms

style.css

138 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 82% of them (32 requests) were addressed to the original Jetline.pl, 8% (3 requests) were made to Google-analytics.com and 3% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Jetline.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 247.6 kB (37%)

Content Size

674.1 kB

After Optimization

426.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jetline.pl main page is 674.1 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 330.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 12.9 kB

  • Original 18.1 kB
  • After minification 17.5 kB
  • After compression 5.2 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 12.9 kB or 71% of the original size.

Image Optimization

-8%

Potential reduce by 25.2 kB

  • Original 330.4 kB
  • After minification 305.2 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. Jet Line images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 145.7 kB

  • Original 251.6 kB
  • After minification 244.5 kB
  • After compression 105.9 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 145.7 kB or 58% of the original size.

CSS Optimization

-86%

Potential reduce by 63.8 kB

  • Original 74.1 kB
  • After minification 54.0 kB
  • After compression 10.3 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. Jetline.pl needs all CSS files to be minified and compressed as it can save up to 63.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (34%)

Requests Now

32

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jet Line. 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.

Network Requests Diagram

jetline.pl

jetline.pl

342 ms

www.jetline.pl

www.jetline.pl

1020 ms

137 ms

161 ms

style.css

style.css

138 ms

jquery.fancybox-1.3.1.css

jquery.fancybox-1.3.1.css

240 ms

video-js.css

video-js.css

241 ms

jquery.js

jquery.js

366 ms

jquery.fancybox-1.3.1.pack.js

jquery.fancybox-1.3.1.pack.js

248 ms

swfobject.js

swfobject.js

248 ms

scripts.js

scripts.js

256 ms

video.js

video.js

474 ms

conversion.js

conversion.js

14 ms

dot-small.png

dot-small.png

120 ms

ga.js

ga.js

73 ms

logo_jetline.png

logo_jetline.png

125 ms

dot.png

dot.png

126 ms

slajder.jpg

slajder.jpg

367 ms

slajder2.jpg

slajder2.jpg

285 ms

slajder-sync-01.jpg

slajder-sync-01.jpg

274 ms

slider-mj3-08.jpg

slider-mj3-08.jpg

500 ms

ico_social.png

ico_social.png

372 ms

bg_page_main.gif

bg_page_main.gif

260 ms

bg_main.gif

bg_main.gif

405 ms

ico_down_red.png

ico_down_red.png

424 ms

bg_red_cloud.png

bg_red_cloud.png

423 ms

ico_up_gray.png

ico_up_gray.png

500 ms

strona.jpg

strona.jpg

511 ms

1-crop.jpg

1-crop.jpg

530 ms

mobijet-noc-w-warszawie.jpg

mobijet-noc-w-warszawie.jpg

546 ms

minimap.jpg

minimap.jpg

540 ms

61 ms

ico_down_gray.png

ico_down_gray.png

557 ms

ico_up_red.png

ico_up_red.png

558 ms

vjs.woff

vjs.woff

1799 ms

__utm.gif

__utm.gif

17 ms

42 ms

__utm.gif

__utm.gif

12 ms

collect

collect

57 ms

Accessibility Review

jetline.pl accessibility score

86

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

jetline.pl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

jetline.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 Jetline.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 Jetline.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

jetline.pl

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