Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

jetcost.fi

Halvat lennot - Vertaa lentoja | Hintojen vertaaja Jetcost

Page Load Speed

502 ms in total

First Response

37 ms

Resources Loaded

465 ms

Page Rendered

0 ms

About Website

Visit jetcost.fi now to see the best up-to-date Jetcost content for Finland and also check out these interesting facts you probably never knew about jetcost.fi

Löydä Halvat Lennot ja lentoliput helposti. Vertaamme yli 1000 lentoyhtiön lentoja miljoonilla reiteillä.

Visit jetcost.fi

Key Findings

We analyzed Jetcost.fi page load time and found that the first response time was 37 ms and then it took 465 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

jetcost.fi performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value7.1 s

30/100

10%

TBT (Total Blocking Time)

Value2,590 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

jetcost.fi

37 ms

jetcost.fi

294 ms

www.jetcost.fi

79 ms

v1

52 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Jetcost.fi and no external sources were called. The less responsive or slowest element that took the longest time to load (294 ms) belongs to the original domain Jetcost.fi.

Page Optimization Overview & Recommendations

Page size can be reduced by 397.3 kB (57%)

Content Size

693.2 kB

After Optimization

295.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jetcost.fi main page is 693.2 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. CSS take 361.8 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 8.8 kB

  • Original 15.6 kB
  • After minification 15.6 kB
  • After compression 6.8 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 8.8 kB or 56% of the original size.

Image Optimization

-5%

Potential reduce by 7.6 kB

  • Original 152.4 kB
  • After minification 144.7 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. Jetcost images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 97.3 kB

  • Original 163.5 kB
  • After minification 163.4 kB
  • After compression 66.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 97.3 kB or 60% of the original size.

CSS Optimization

-78%

Potential reduce by 283.6 kB

  • Original 361.8 kB
  • After minification 351.0 kB
  • After compression 78.3 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. Jetcost.fi needs all CSS files to be minified and compressed as it can save up to 283.6 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • JavaScript

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jetcost. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

jetcost.fi accessibility score

81

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

jetcost.fi best practices score

83

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jetcost.fi SEO score

98

Search Engine Optimization Advices

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

    FI

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jetcost.fi can be misinterpreted by Google and other search engines. Our service has detected that Finnish is used on the page, and it does not match the claimed English language. Our system also found out that Jetcost.fi 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 Jetcost. 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: