Tools & Wizards About Us
rechercheisidore.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

rechercheisidore.com

ISIDORE : Your search assistant in SHS | isidore.science

Page Load Speed

2.8 sec in total

First Response

414 ms

Resources Loaded

2.3 sec

Page Rendered

87 ms

rechercheisidore.com screenshot

About Website

Welcome to rechercheisidore.com homepage info - get ready to check Recherche ISIDORE best content right away, or after learning these important things about rechercheisidore.com

ISIDORE is a search engine providing access to digital data from the Humanities and Social Sciences (SSH).

Visit rechercheisidore.com

Key Findings

We analyzed Rechercheisidore.com page load time and found that the first response time was 414 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

rechercheisidore.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.212

59/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

isidore.science

414 ms

js

47 ms

bootstrap.min.css

180 ms

slick-1.8.1.css

271 ms

app.d19052af.css

279 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Rechercheisidore.com, 8% (2 requests) were made to Cdnjs.cloudflare.com and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (896 ms) relates to the external source Analyseweb.huma-num.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 163.3 kB (36%)

Content Size

451.5 kB

After Optimization

288.2 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Rechercheisidore.com main page is 451.5 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 389.2 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 17.7 kB

  • Original 24.1 kB
  • After minification 20.3 kB
  • After compression 6.4 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 3.8 kB, which is 16% 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 17.7 kB or 73% of the original size.

JavaScript Optimization

-35%

Potential reduce by 136.6 kB

  • Original 389.2 kB
  • After minification 389.2 kB
  • After compression 252.6 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 136.6 kB or 35% of the original size.

CSS Optimization

-24%

Potential reduce by 9.0 kB

  • Original 38.1 kB
  • After minification 38.1 kB
  • After compression 29.1 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. Rechercheisidore.com needs all CSS files to be minified and compressed as it can save up to 9.0 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (80%)

Requests Now

20

After Optimization

4

  • AJAX
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Recherche ISIDORE. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

isidore.science

isidore.science

414 ms

js

js

47 ms

bootstrap.min.css

bootstrap.min.css

180 ms

slick-1.8.1.css

slick-1.8.1.css

271 ms

app.d19052af.css

app.d19052af.css

279 ms

cookieconsent.min.css

cookieconsent.min.css

31 ms

cookieconsent.min.js

cookieconsent.min.js

39 ms

intro-2.9.3.min.css

intro-2.9.3.min.css

277 ms

intro-2.9.3.min.js

intro-2.9.3.min.js

282 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

546 ms

popper.min.js

popper.min.js

280 ms

bootstrap.min.js

bootstrap.min.js

450 ms

slick-1.8.1.min.js

slick-1.8.1.min.js

458 ms

runtime.42243f08.js

runtime.42243f08.js

372 ms

app.f0292e26.js

app.f0292e26.js

680 ms

analytics.js

analytics.js

20 ms

collect

collect

12 ms

collect

collect

34 ms

css

css

27 ms

css

css

40 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

21 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

28 ms

Isicons.387325b2.ttf

Isicons.387325b2.ttf

189 ms

matomo.js

matomo.js

896 ms

Accessibility Review

rechercheisidore.com accessibility score

88

Accessibility Issues

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

Buttons do not have an accessible name

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

rechercheisidore.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

rechercheisidore.com SEO score

92

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

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 Rechercheisidore.com 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 Rechercheisidore.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

rechercheisidore.com

Open Graph description is not detected on the main page of Recherche ISIDORE. 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: