Access jetline.pl. Jet Line - agencja, która tworzy przestrzeń do komunikacji.

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%

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.

Content Size

674.1 kB

After Optimization

426.6 kB

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 Now

After Optimization

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.

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

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

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: