Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

lpcno.insa-toulouse.fr

- Laboratory of Physics and Chemistry of Nano-Objects

Page Load Speed

2.6 sec in total

First Response

619 ms

Resources Loaded

1.8 sec

Page Rendered

208 ms

lpcno.insa-toulouse.fr screenshot

About Website

Welcome to lpcno.insa-toulouse.fr homepage info - get ready to check Lpcno Insa Toulouse best content for France right away, or after learning these important things about lpcno.insa-toulouse.fr

LPCNO participates in the latest advances in the field of nanosciences in quantum optics, nanomagnetism, nanotechnologies, organometallic chemistry.

Visit lpcno.insa-toulouse.fr

Key Findings

We analyzed Lpcno.insa-toulouse.fr page load time and found that the first response time was 619 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 40% of websites can load faster.

Performance Metrics

lpcno.insa-toulouse.fr performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

lpcno.insa-toulouse.fr

619 ms

spip.php

111 ms

spip.php

199 ms

barre_outils.css

194 ms

spip.php

222 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that all of those requests were addressed to Lpcno.insa-toulouse.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (619 ms) belongs to the original domain Lpcno.insa-toulouse.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 266.6 kB (52%)

Content Size

511.5 kB

After Optimization

244.9 kB

In fact, the total size of Lpcno.insa-toulouse.fr main page is 511.5 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. 25% of websites need less resources to load. Javascripts take 258.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 20.6 kB

  • Original 25.9 kB
  • After minification 22.6 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 3.3 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 20.6 kB or 80% of the original size.

Image Optimization

-14%

Potential reduce by 30.7 kB

  • Original 223.0 kB
  • After minification 192.3 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, Lpcno Insa Toulouse needs image optimization as it can save up to 30.7 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-82%

Potential reduce by 212.3 kB

  • Original 258.9 kB
  • After minification 155.6 kB
  • After compression 46.6 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 212.3 kB or 82% of the original size.

CSS Optimization

-80%

Potential reduce by 2.9 kB

  • Original 3.7 kB
  • After minification 2.4 kB
  • After compression 745 B

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. Lpcno.insa-toulouse.fr needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (67%)

Requests Now

36

After Optimization

12

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lpcno Insa Toulouse. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lpcno.insa-toulouse.fr accessibility score

64

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

lpcno.insa-toulouse.fr 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

SEO Factors

lpcno.insa-toulouse.fr SEO score

58

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lpcno.insa-toulouse.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Lpcno.insa-toulouse.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

Open Graph description is not detected on the main page of Lpcno Insa Toulouse. 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: