Access zip-world.fr. Zip World, le spécialiste des billets d’avion Tour du monde, multi-destinations, sur l'Océanie ...

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

zip-world.fr

275 ms

zip-world.fr

412 ms

bootstrap.min.css

89 ms

bootstrap-datetimepicker.css

45 ms

font-awesome.min.css

175 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 83% of them (76 requests) were addressed to the original Zip-world.fr, 10% (9 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Zip-world.fr.

Content Size

1.7 MB

After Optimization

1.5 MB

In fact, the total size of Zip-world.fr main page is 1.7 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. 70% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 47.8 kB

Original 54.3 kB
After minification 33.4 kB
After compression 6.5 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. This page needs HTML code to be minified as it can gain 20.9 kB, which is 38% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 47.8 kB or 88% of the original size.

Image Optimization

-6%

Potential reduce by 66.6 kB

Original 1.1 MB
After minification 997.7 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. Zip World images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.7 kB

Original 476.5 kB
After minification 476.5 kB
After compression 472.8 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

-8%

Potential reduce by 5.1 kB

Original 60.3 kB
After minification 60.3 kB
After compression 55.1 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. Zip-world.fr has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zip World. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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 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

Image elements do not have [alt] attributes

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

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

Language and Encoding

Language Detected

FR
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zip-world.fr can be misinterpreted by Google and other search engines. Our service has detected that French 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 Zip-world.fr 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

zip-world.fr

Open Graph description is not detected on the main page of Zip World. 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

Zip World, le spécialiste des billets d’avion Tour du monde, multi-destinations, sur l'Océanie et l'Amérique du Sud

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

zip-world.fr

zip-world.fr

bootstrap.min.css

bootstrap-datetimepicker.css

font-awesome.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

zip-world.fr

zip-world.fr

bootstrap.min.css

bootstrap-datetimepicker.css

font-awesome.min.css

style.css

newtrip.css

ck-content-styles.css

jquery.typeahead.css

media.css

css

intlTelInput.css

select2.min.css

bulma.css

sweetalert2.min.js

jquery.min.js

jquery.validate.min.js

select2.min.js

popper.min.js

bootstrap.bundle.min.js

main.js

jquery-ui.min.js

moment.min.js

fr.js

bootstrap-datetimepicker.min.js

jquery.dataTables.min.js

dataTables.bootstrap.min.js

ckeditor.js

popper.min.js

customfromvalidation.js

custom.js

newtriprequest.js

classie.js

alertdismiss.js

css2

Header-logo.svg

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62159ceb290c5_GearBlack_1645583595.svg

62159d129b1eb_CrosshairBlack_1645583634.svg

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Landing-bg_image1594991295.webp