Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 57

    SEO

    Google-friendlier than
    20% of websites

paristechreview.com

ParisTech Review - the Online Magazine of ParisTech - Technology, Business, Economy, Society and Individuals

Page Load Speed

2.5 sec in total

First Response

171 ms

Resources Loaded

1.7 sec

Page Rendered

702 ms

paristechreview.com screenshot

About Website

Welcome to paristechreview.com homepage info - get ready to check Paris Tech Review best content for France right away, or after learning these important things about paristechreview.com

ParisTech Review is the online magazine of ParisTech that assesses how technological innovations will bring sweeping changes to business, the economy, society and individuals.

Visit paristechreview.com

Key Findings

We analyzed Paristechreview.com page load time and found that the first response time was 171 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

paristechreview.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

paristechreview.com

171 ms

www.paristechreview.com

254 ms

common_css.php

162 ms

toprated.css

12 ms

recommendations.css

10 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 57% of them (46 requests) were addressed to the original Paristechreview.com, 12% (10 requests) were made to Static.xx.fbcdn.net and 9% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (417 ms) belongs to the original domain Paristechreview.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 541.4 kB (63%)

Content Size

863.9 kB

After Optimization

322.5 kB

In fact, the total size of Paristechreview.com main page is 863.9 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. 50% of websites need less resources to load. Javascripts take 464.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 108.2 kB

  • Original 140.9 kB
  • After minification 130.9 kB
  • After compression 32.7 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 108.2 kB or 77% of the original size.

Image Optimization

-16%

Potential reduce by 19.5 kB

  • Original 121.9 kB
  • After minification 102.4 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, Paris Tech Review needs image optimization as it can save up to 19.5 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 298.9 kB

  • Original 464.6 kB
  • After minification 440.7 kB
  • After compression 165.7 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 298.9 kB or 64% of the original size.

CSS Optimization

-84%

Potential reduce by 114.8 kB

  • Original 136.4 kB
  • After minification 117.1 kB
  • After compression 21.6 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. Paristechreview.com needs all CSS files to be minified and compressed as it can save up to 114.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (54%)

Requests Now

78

After Optimization

36

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Paris Tech Review. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

paristechreview.com accessibility score

74

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

paristechreview.com 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

SEO Factors

paristechreview.com SEO score

57

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Paristechreview.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Paristechreview.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 Paris Tech Review. 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: