Tools & Wizards About Us
histoire-image.org screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

histoire-image.org

Histoire-image.org | L’histoire analysée par l’image

Page Load Speed

2.4 sec in total

First Response

307 ms

Resources Loaded

1.8 sec

Page Rendered

332 ms

histoire-image.org screenshot

About Website

Visit histoire-image.org now to see the best up-to-date Histoire Image content for France and also check out these interesting facts you probably never knew about histoire-image.org

L’Histoire par l’image explore les événements de l’histoire de France et les évolutions majeures de la période 1643-1945.

Visit histoire-image.org

Key Findings

We analyzed Histoire-image.org page load time and found that the first response time was 307 ms and then it took 2.1 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

histoire-image.org performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value7,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.463

19/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

histoire-image.org

307 ms

jquery.js

173 ms

styles.css

185 ms

video-js.css

193 ms

video.js

197 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 82% of them (64 requests) were addressed to the original Histoire-image.org, 4% (3 requests) were made to Vjs.zencdn.net and 4% (3 requests) were made to Grandpalais.fr. The less responsive or slowest element that took the longest time to load (787 ms) belongs to the original domain Histoire-image.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 191.9 kB (30%)

Content Size

638.4 kB

After Optimization

446.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Histoire-image.org main page is 638.4 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. 40% of websites need less resources to load. Images take 408.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 31.4 kB

  • Original 40.8 kB
  • After minification 34.5 kB
  • After compression 9.4 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 6.3 kB, which is 15% 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 31.4 kB or 77% of the original size.

Image Optimization

-9%

Potential reduce by 35.9 kB

  • Original 408.2 kB
  • After minification 372.4 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. Histoire Image images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 58.7 kB

  • Original 122.0 kB
  • After minification 118.3 kB
  • After compression 63.3 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 58.7 kB or 48% of the original size.

CSS Optimization

-98%

Potential reduce by 65.9 kB

  • Original 67.3 kB
  • After minification 4.3 kB
  • After compression 1.4 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. Histoire-image.org needs all CSS files to be minified and compressed as it can save up to 65.9 kB or 98% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (34%)

Requests Now

74

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Histoire Image. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

histoire-image.org

histoire-image.org

307 ms

jquery.js

jquery.js

173 ms

styles.css

styles.css

185 ms

video-js.css

video-js.css

193 ms

video.js

video.js

197 ms

fonctions.js

fonctions.js

193 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

197 ms

swfobject.js

swfobject.js

257 ms

video-js.css

video-js.css

17 ms

video.js

video.js

35 ms

rmngp_galaxie.js

rmngp_galaxie.js

291 ms

__utm.gif

__utm.gif

28 ms

externe_on.gif

externe_on.gif

110 ms

edutheque.png

edutheque.png

113 ms

logo-rmn-grandpalais.png

logo-rmn-grandpalais.png

110 ms

logo-ministere-culture.png

logo-ministere-culture.png

113 ms

histoire-image.gif

histoire-image.gif

115 ms

fleche_b2.png

fleche_b2.png

113 ms

submit.png

submit.png

168 ms

accueil3_03.jpg

accueil3_03.jpg

342 ms

rss-pict.png

rss-pict.png

173 ms

culture_fr.png

culture_fr.png

183 ms

hda.gif

hda.gif

183 ms

logo_collections.png

logo_collections.png

278 ms

externe.gif

externe.gif

271 ms

rmngp2012.png

rmngp2012.png

272 ms

dmf.gif

dmf.gif

273 ms

men.gif

men.gif

274 ms

sum42_fenton_01i.jpg

sum42_fenton_01i.jpg

335 ms

fragonard-feu-poudres-v.jpg

fragonard-feu-poudres-v.jpg

345 ms

fragonard-verrou-v.jpg

fragonard-verrou-v.jpg

355 ms

champaigne-prevot-paris-v.jpg

champaigne-prevot-paris-v.jpg

359 ms

juif-france-1941-v.jpg

juif-france-1941-v.jpg

364 ms

sculpture-beethoven-v.jpg

sculpture-beethoven-v.jpg

418 ms

bou06_chartier_01v.jpg

bou06_chartier_01v.jpg

423 ms

ram01_friedrich_001v.jpg

ram01_friedrich_001v.jpg

429 ms

ga.js

ga.js

38 ms

nav_home3.gif

nav_home3.gif

431 ms

nav_nouv.gif

nav_nouv.gif

433 ms

nav_enseign.png

nav_enseign.png

443 ms

nav_perso.gif

nav_perso.gif

490 ms

rss20.gif

rss20.gif

496 ms

entete.jpg

entete.jpg

589 ms

menu_hs_pgm.jpg

menu_hs_pgm.jpg

520 ms

menu_hs_cpi.jpg

menu_hs_cpi.jpg

520 ms

menu_hs_rev.jpg

menu_hs_rev.jpg

533 ms

menu_hs_nap.jpg

menu_hs_nap.jpg

572 ms

menu_hs_f.jpg

menu_hs_f.jpg

578 ms

menu_hs_fa.jpg

menu_hs_fa.jpg

607 ms

widgets.js

widgets.js

14 ms

gravatar.png

gravatar.png

46 ms

10464059_1473137962942968_4904455577639061465_n.jpg

10464059_1473137962942968_4904455577639061465_n.jpg

55 ms

gravatar.png

gravatar.png

44 ms

menu_hs_he.jpg

menu_hs_he.jpg

519 ms

rechercher.png

rechercher.png

535 ms

fleche-accueil2.gif

fleche-accueil2.gif

565 ms

pic_anim.gif

pic_anim.gif

574 ms

anim_une_off.gif

anim_une_off.gif

583 ms

__utm.gif

__utm.gif

26 ms

vjs.woff

vjs.woff

13 ms

hs_femmes.jpg

hs_femmes.jpg

567 ms

rmngp_galaxie.css

rmngp_galaxie.css

91 ms

11027966_10207495318601086_5055768777371970853_n.jpg

11027966_10207495318601086_5055768777371970853_n.jpg

11 ms

hs_cpi.jpg

hs_cpi.jpg

549 ms

hs_rf.jpg

hs_rf.jpg

563 ms

hs_napoleon.jpg

hs_napoleon.jpg

576 ms

hs_pgm.jpg

hs_pgm.jpg

588 ms

icon_barreunique.png

icon_barreunique.png

92 ms

frall_entete.gif

frall_entete.gif

509 ms

hs_esclavage.png

hs_esclavage.png

619 ms

thema.png

thema.png

620 ms

chrono.png

chrono.png

641 ms

index.png

index.png

649 ms

avancee.png

avancee.png

518 ms

anim01_pape.jpg

anim01_pape.jpg

787 ms

fleche_h.png

fleche_h.png

593 ms

logo_anim_on.gif

logo_anim_on.gif

624 ms

print.css

print.css

86 ms

Accessibility Review

histoire-image.org accessibility score

91

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

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

histoire-image.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

SEO Factors

histoire-image.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

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 Histoire-image.org 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 Histoire-image.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

histoire-image.org

Open Graph description is not detected on the main page of Histoire Image. 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: