Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

Page Load Speed

2.1 sec in total

First Response

184 ms

Resources Loaded

1.8 sec

Page Rendered

203 ms

zupimages.net screenshot

About Website

Click here to check amazing Zup Image S content for France. Otherwise, check out these important facts you probably never knew about zupimages.net

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Key Findings

We analyzed Zupimages.net page load time and found that the first response time was 184 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

zupimages.net performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

68/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value1,860 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

zupimages.net

184 ms

www.zupimages.net

177 ms

css

68 ms

normalize.min.css

5 ms

style-old-browsers.min.css

11 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 43% of them (19 requests) were addressed to the original Zupimages.net, 11% (5 requests) were made to Google-analytics.com and 9% (4 requests) were made to Plusone.google.com. The less responsive or slowest element that took the longest time to load (425 ms) relates to the external source Prm.europacash.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.2 kB (32%)

Content Size

356.4 kB

After Optimization

243.1 kB

In fact, the total size of Zupimages.net main page is 356.4 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. 35% of websites need less resources to load. Images take 198.3 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 11.5 kB

  • Original 16.8 kB
  • After minification 14.4 kB
  • After compression 5.3 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 2.4 kB, which is 14% 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 11.5 kB or 69% of the original size.

Image Optimization

-11%

Potential reduce by 22.4 kB

  • Original 198.3 kB
  • After minification 175.9 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. Obviously, Zup Image S needs image optimization as it can save up to 22.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 73.5 kB

  • Original 132.5 kB
  • After minification 132.5 kB
  • After compression 59.0 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 73.5 kB or 55% of the original size.

CSS Optimization

-67%

Potential reduce by 5.9 kB

  • Original 8.8 kB
  • After minification 8.7 kB
  • After compression 2.9 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. Zupimages.net needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (54%)

Requests Now

39

After Optimization

18

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zup Image S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zupimages.net 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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

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

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

zupimages.net best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

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

zupimages.net SEO score

77

Search Engine Optimization Advices

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 Zupimages.net 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 Zupimages.net 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 Zup Image S. 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: