Tools & Wizards About Us
lerobert-historique.com screenshot

Report Summary

  • 1

    Performance

    Renders faster than
    19% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

lerobert-historique.com

Éditions Le Robert : la référence en langues pour définir, traduire, corriger et certifier - Dictionnaire Le Robert

Page Load Speed

6.8 sec in total

First Response

362 ms

Resources Loaded

5.4 sec

Page Rendered

1 sec

lerobert-historique.com screenshot

About Website

Visit lerobert-historique.com now to see the best up-to-date Le Robert Historique content for France and also check out these interesting facts you probably never knew about lerobert-historique.com

Abonnez-vous à nos logiciels en ligne (PC, Mac, iOS, Android) : dictionnaires de français monolingues et bilingues (anglais, espagnol, allemand, italien, néerlandais) pour vos traductions, correcteur ...

Visit lerobert-historique.com

Key Findings

We analyzed Lerobert-historique.com page load time and found that the first response time was 362 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

lerobert-historique.com performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value13.7 s

1/100

10%

TBT (Total Blocking Time)

Value5,210 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.964

2/100

15%

TTI (Time to Interactive)

Value26.7 s

0/100

10%

Network Requests Diagram

lerobert-historique.com

362 ms

www.lerobert.com

597 ms

loader.js

28 ms

css_rEI_5cK_B9hB4So2yZUtr5weuEV3heuAllCDE6XsIkI.css

301 ms

css_kPbxL1exR_Az3V1C-ZIIs1-btuA6uYh30I5ya5UlOWE.css

313 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Lerobert-historique.com, 74% (67 requests) were made to Lerobert.com and 9% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Lerobert.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 795.9 kB (27%)

Content Size

2.9 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lerobert-historique.com main page is 2.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 143.4 kB

  • Original 168.4 kB
  • After minification 162.8 kB
  • After compression 24.9 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 143.4 kB or 85% of the original size.

Image Optimization

-24%

Potential reduce by 633.7 kB

  • Original 2.6 MB
  • After minification 2.0 MB

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, Le Robert Historique needs image optimization as it can save up to 633.7 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-27%

Potential reduce by 18.6 kB

  • Original 69.8 kB
  • After minification 69.8 kB
  • After compression 51.2 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 18.6 kB or 27% of the original size.

CSS Optimization

-0%

Potential reduce by 202 B

  • Original 86.3 kB
  • After minification 86.3 kB
  • After compression 86.1 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. Lerobert-historique.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (28%)

Requests Now

79

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Le Robert Historique. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lerobert-historique.com

lerobert-historique.com

362 ms

www.lerobert.com

www.lerobert.com

597 ms

loader.js

loader.js

28 ms

css_rEI_5cK_B9hB4So2yZUtr5weuEV3heuAllCDE6XsIkI.css

css_rEI_5cK_B9hB4So2yZUtr5weuEV3heuAllCDE6XsIkI.css

301 ms

css_kPbxL1exR_Az3V1C-ZIIs1-btuA6uYh30I5ya5UlOWE.css

css_kPbxL1exR_Az3V1C-ZIIs1-btuA6uYh30I5ya5UlOWE.css

313 ms

css_QynXVvZv4ZdV7RGag1BHxO3ThDY82HD6v-j981JHtjw.css

css_QynXVvZv4ZdV7RGag1BHxO3ThDY82HD6v-j981JHtjw.css

310 ms

css_6QUXYVd6A1P_kSRW6f3RpKrFg2Imu_zbzLrdTsyRwmA.css

css_6QUXYVd6A1P_kSRW6f3RpKrFg2Imu_zbzLrdTsyRwmA.css

556 ms

js_s5koNMBdK4BqfHyHNPWCXIL2zD0jFcPyejDZsryApj0.js

js_s5koNMBdK4BqfHyHNPWCXIL2zD0jFcPyejDZsryApj0.js

477 ms

js_aOEk3duJZGlshP_28Q0SzFnV2MdZdlQi3owGMTnpe-8.js

js_aOEk3duJZGlshP_28Q0SzFnV2MdZdlQi3owGMTnpe-8.js

330 ms

js_RrPul6Lbukt3-7F4rf-CXFIu3-IfuCXFkezU4QOVzTM.js

js_RrPul6Lbukt3-7F4rf-CXFIu3-IfuCXFkezU4QOVzTM.js

841 ms

js_T4LzMXn5pdke8skqYlWwWeqFiGL4k08bnI_FumQ-Jmc.js

js_T4LzMXn5pdke8skqYlWwWeqFiGL4k08bnI_FumQ-Jmc.js

390 ms

js_u3ODICuvWckD-26CyeBdI5VI-lYcvEm5cwl6BM-1FEQ.js

js_u3ODICuvWckD-26CyeBdI5VI-lYcvEm5cwl6BM-1FEQ.js

726 ms

sdk.d8d9b3b0f63d7d5011309533a99e82ca765fcbd8.js

sdk.d8d9b3b0f63d7d5011309533a99e82ca765fcbd8.js

7 ms

201c00805fa6b91d04837c9838c95002.js

201c00805fa6b91d04837c9838c95002.js

53 ms

js_7Ukqb3ierdBEL0eowfOKzTkNu-Le97OPm-UqTS5NENU.js

js_7Ukqb3ierdBEL0eowfOKzTkNu-Le97OPm-UqTS5NENU.js

166 ms

js_MLVgtzZ1ORq9krYqkeOsRay6ou_T-0QZytivuM9tTT8.js

js_MLVgtzZ1ORq9krYqkeOsRay6ou_T-0QZytivuM9tTT8.js

232 ms

css

css

187 ms

css

css

198 ms

css

css

212 ms

css

css

213 ms

css

css

211 ms

css

css

208 ms

gtm.js

gtm.js

1465 ms

logo.png

logo.png

1271 ms

icon-search.svg

icon-search.svg

1279 ms

yellow_header.svg

yellow_header.svg

1596 ms

icon-cart.svg

icon-cart.svg

1267 ms

icon-user.svg

icon-user.svg

1243 ms

loupe-menu.svg

loupe-menu.svg

1268 ms

arrow-down.png

arrow-down.png

1742 ms

bussi_0.png

bussi_0.png

1713 ms

impime.png

impime.png

1711 ms

petit-robert-2022_0.png

petit-robert-2022_0.png

1711 ms

pennac_0.png

pennac_0.png

1712 ms

lpr_0.png

lpr_0.png

1775 ms

log-en-ligne-ebook.png

log-en-ligne-ebook.png

1800 ms

lgr_0.png

lgr_0.png

1799 ms

lrc-n_0.png

lrc-n_0.png

1793 ms

telech_2.png

telech_2.png

1783 ms

moncompte-checkbox-sprite.png

moncompte-checkbox-sprite.png

1781 ms

rhetorix-1178x455-v2.png

rhetorix-1178x455-v2.png

2427 ms

caroussel_comme_on_dine_chez_nous.png

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3121 ms

hugo_ecrans.png

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3120 ms

formation-1178x455.png

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2063 ms

op_de_rentree_banniere_home_slider.png

op_de_rentree_banniere_home_slider.png

2383 ms

sans_titre_11.png

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2059 ms

sm-blue-next-arrow.png

sm-blue-next-arrow.png

2065 ms

nouveautes-ecole-le-robert-2022.png

nouveautes-ecole-le-robert-2022.png

2352 ms

rid_nouvelle_edition_2.png

rid_nouvelle_edition_2.png

2352 ms

1re_series_generales_4.png

1re_series_generales_4.png

2434 ms

petit-robert-langue-francaise.png

petit-robert-langue-francaise.png

2519 ms

grand-robert-langue-francaise.png

grand-robert-langue-francaise.png

2467 ms

grand-robert-et-collins.png

grand-robert-et-collins.png

2518 ms

robert-correcteur.png

robert-correcteur.png

2517 ms

certification-le-robert.png

certification-le-robert.png

3122 ms

dico-en-ligne-le-robert-bloc-bas.png

dico-en-ligne-le-robert-bloc-bas.png

3130 ms

avantages-ref.png

avantages-ref.png

3119 ms

livraison.png

livraison.png

3121 ms

paiement.png

paiement.png

2867 ms

polyfills.d8d9b3b0f63d7d5011309533a99e82ca765fcbd8.js

polyfills.d8d9b3b0f63d7d5011309533a99e82ca765fcbd8.js

19 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDLshdTo3iQ.woff

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1143 ms

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XRXI3I6Li01BKofiOc5wtlZ2di8HDOUhdTo3iQ.woff

1429 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDFwmdTo3iQ.woff

XRXI3I6Li01BKofiOc5wtlZ2di8HDFwmdTo3iQ.woff

1431 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w3aXw.woff

1420 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w3aXw.woff

1423 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw3aXw.woff

1423 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw3aXw.woff

1422 ms

XRXK3I6Li01BKofIMPyPbj8d7IEAGXNirXAHg6bc.woff

XRXK3I6Li01BKofIMPyPbj8d7IEAGXNirXAHg6bc.woff

1422 ms

service-client.png

service-client.png

1890 ms

logo-bracket.png

logo-bracket.png

1890 ms

checkbox-sprite.png

checkbox-sprite.png

1890 ms

logo_footer.png

logo_footer.png

1882 ms

facebook_footer.png

facebook_footer.png

1883 ms

an660015037.js

an660015037.js

276 ms

twitter_footer.png

twitter_footer.png

1423 ms

youtube_footer.png

youtube_footer.png

1440 ms

instagram_footer.png

instagram_footer.png

1440 ms

linkedin_footer.png

linkedin_footer.png

1440 ms

code-icon-blanc.png

code-icon-blanc.png

1440 ms

questions_footer.png

questions_footer.png

1440 ms

mail.png

mail.png

1372 ms

select-arrow.png

select-arrow.png

1373 ms

prev-arrow-slider.png

prev-arrow-slider.png

1358 ms

slider-link-arrow.png

slider-link-arrow.png

1357 ms

next-arrow-slider.png

next-arrow-slider.png

1357 ms

mobile-close.png

mobile-close.png

1098 ms

eye_icon.svg

eye_icon.svg

1095 ms

current

current

111 ms

ui-gdpr-fr.d8d9b3b0f63d7d5011309533a99e82ca765fcbd8.js

ui-gdpr-fr.d8d9b3b0f63d7d5011309533a99e82ca765fcbd8.js

79 ms

css_IT7-ZTCtGwi4hD2GPPHX3D2DGxSY-nWp5yOza58Ncjw.css

css_IT7-ZTCtGwi4hD2GPPHX3D2DGxSY-nWp5yOza58Ncjw.css

92 ms

Accessibility Review

lerobert-historique.com accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

High

[aria-*] attributes do not have valid values

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

<frame> or <iframe> elements do not have a title

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

lerobert-historique.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

High

Missing source maps for large first-party JavaScript

SEO Factors

lerobert-historique.com SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

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

lerobert-historique.com

Open Graph data is detected on the main page of Le Robert Historique. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: