Tools & Wizards About Us

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

rechercheisidore.org

ISIDORE : Your search assistant in SHS | isidore.science

Page Load Speed

2.6 sec in total

First Response

417 ms

Resources Loaded

2.1 sec

Page Rendered

70 ms

About Website

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

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

Visit rechercheisidore.org

Key Findings

We analyzed Rechercheisidore.org page load time and found that the first response time was 417 ms and then it took 2.2 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.org performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.212

59/100

15%

TTI (Time to Interactive)

Value6.1 s

64/100

10%

Network Requests Diagram

isidore.science

417 ms

js

59 ms

bootstrap.min.css

185 ms

slick-1.8.1.css

277 ms

app.d19052af.css

285 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Rechercheisidore.org, 10% (2 requests) were made to Cdnjs.cloudflare.com and 10% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (759 ms) relates to the external source Analyseweb.huma-num.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 112.4 kB (30%)

Content Size

380.4 kB

After Optimization

268.0 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Rechercheisidore.org main page is 380.4 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. 25% of websites need less resources to load. Javascripts take 318.7 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 17.4 kB

  • Original 23.5 kB
  • After minification 19.7 kB
  • After compression 6.1 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 17.4 kB or 74% of the original size.

JavaScript Optimization

-27%

Potential reduce by 86.0 kB

  • Original 318.7 kB
  • After minification 318.7 kB
  • After compression 232.7 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 86.0 kB or 27% 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.org 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 15 (88%)

Requests Now

17

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 17 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 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rechercheisidore.org accessibility score

90

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.

Best Practices

rechercheisidore.org 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.org 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.org 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.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

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: