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name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value17.4 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value4,840 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value23.8 s

1/100

10%

app.jet2.com

629 ms

ruxitagentjs_ICA2NVfjqrux_10283240117152214.js

623 ms

otSDKStub.js

54 ms

css

48 ms

styles-part1-a51c25bb9bb4a7d5377b.min.css

336 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 76% of them (67 requests) were addressed to the original App.jet2.com, 7% (6 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Cdn-ukwest.onetrust.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain App.jet2.com.

Content Size

3.6 MB

After Optimization

2.5 MB

In fact, the total size of App.jet2.com main page is 3.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 178.7 kB

Original 249.2 kB
After minification 224.3 kB
After compression 70.6 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 178.7 kB or 72% of the original size.

Image Optimization

-6%

Potential reduce by 115.0 kB

Original 1.9 MB
After minification 1.8 MB

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. App Jet2 images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 269.4 kB

Original 749.0 kB
After minification 749.0 kB
After compression 479.7 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 269.4 kB or 36% of the original size.

CSS Optimization

-78%

Potential reduce by 475.8 kB

Original 613.7 kB
After minification 612.2 kB
After compression 137.9 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. App.jet2.com needs all CSS files to be minified and compressed as it can save up to 475.8 kB or 78% of the original size.

Requests Now

After Optimization

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of App Jet2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

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

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

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

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise App.jet2.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 App.jet2.com 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 App Jet2. 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

Cheap Flights | Find & Book Cheap Flights Online | Jet2.com

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

app.jet2.com

ruxitagentjs_ICA2NVfjqrux_10283240117152214.js

otSDKStub.js

css

styles-part1-a51c25bb9bb4a7d5377b.min.css

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

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Accessibility Review

Accessibility Issues

Best Practices

Areas of Improvement

SEO Factors

Search Engine Optimization Advices

Language and Encoding

Language Detected

Language Claimed

Encoding

Social Sharing Optimization

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