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About Website

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Les Presses polytechniques et universitaires romandes (PPUR) publient principalement les travaux d'enseignement et de recherche de l’Ecole polytechnique fédérale de Lausanne (EPFL), des universités et...

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ppur.org

191 ms

www.ppur.org

2699 ms

common_en.css

159 ms

common.js

366 ms

css

66 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 95% of them (96 requests) were addressed to the original Ppur.org, 3% (3 requests) were made to Google-analytics.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Ppur.org.

Content Size

1.3 MB

After Optimization

716.3 kB

In fact, the total size of Ppur.org main page is 1.3 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. 45% of websites need less resources to load. Images take 758.2 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 117.7 kB

Original 134.9 kB
After minification 117.7 kB
After compression 17.2 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. This page needs HTML code to be minified as it can gain 17.3 kB, which is 13% 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 117.7 kB or 87% of the original size.

Image Optimization

-20%

Potential reduce by 149.9 kB

Original 758.2 kB
After minification 608.3 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, Ppur needs image optimization as it can save up to 149.9 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 202.6 kB

Original 278.0 kB
After minification 267.4 kB
After compression 75.4 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 202.6 kB or 73% of the original size.

CSS Optimization

-82%

Potential reduce by 69.3 kB

Original 84.7 kB
After minification 72.3 kB
After compression 15.4 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. Ppur.org needs all CSS files to be minified and compressed as it can save up to 69.3 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ppur. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Language and Encoding

Language Detected

N/A

Language Claimed

Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ppur.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Ppur.org 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

ppur.org

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

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Network Requests Diagram

ppur.org

www.ppur.org

common_en.css

common.js

css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

SEO Factors

Language and Encoding

Language Detected

Language Claimed

Encoding

Social Sharing Optimization

Report Summary

Performance

Accessibility

Best Practices

SEO

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Network Requests Diagram

ppur.org

www.ppur.org

common_en.css

common.js

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

ppur.org

www.ppur.org

common_en.css

common.js

css

skin.css

skin.js

shadowbox-fr.js

shadowbox-iframe.js

shadowbox-img.js

shadowbox-html.js

body.png

logo.png

down-drop-menu.gif

book.gif

epub.png

pdf.png

search_bg.png

search.png

page.png

newsletter-icon.png

book.gif

epub.png

pdf.png

button_add2netvibes.gif

button_add2myyahoo.gif

button_add2windowslive.gif

paybox-logo.gif

slider_06-1.jpg

slider_catalogue.jpg

slider_04.jpg

slider_03.jpg

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