Tools & Wizards About Us
parisopensourcesummit.org screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

parisopensourcesummit.org

Paris Open Source Summit Event - 10 & 11 December 2019

Page Load Speed

8.1 sec in total

First Response

251 ms

Resources Loaded

6.7 sec

Page Rendered

1.1 sec

parisopensourcesummit.org screenshot

About Website

Welcome to parisopensourcesummit.org homepage info - get ready to check Paris Open Source Summit best content right away, or after learning these important things about parisopensourcesummit.org

Paris Open Source Summit - OSSParis 2019 - December 10 & 11, 2019. Leading event dedicated to the fields of Open Source, free software and open innovation. 400 conferences, 150 exhibitors, 50 communit...

Visit parisopensourcesummit.org

Key Findings

We analyzed Parisopensourcesummit.org page load time and found that the first response time was 251 ms and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

parisopensourcesummit.org performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value15.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,880 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value1.008

2/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

parisopensourcesummit.org

251 ms

2019.opensourcesummit.paris

360 ms

jquery.js

301 ms

jquery-migrate.min.js

197 ms

biznet-template.jquery.js

197 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Parisopensourcesummit.org, 93% (111 requests) were made to 2019.opensourcesummit.paris and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source 2019.opensourcesummit.paris.

Page Optimization Overview & Recommendations

Page size can be reduced by 957.8 kB (16%)

Content Size

5.8 MB

After Optimization

4.9 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Parisopensourcesummit.org main page is 5.8 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 5.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 100.9 kB

  • Original 120.0 kB
  • After minification 111.8 kB
  • After compression 19.0 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 100.9 kB or 84% of the original size.

Image Optimization

-15%

Potential reduce by 856.8 kB

  • Original 5.7 MB
  • After minification 4.8 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, Paris Open Source Summit needs image optimization as it can save up to 856.8 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 19 (16%)

Requests Now

117

After Optimization

98

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Paris Open Source Summit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

parisopensourcesummit.org

parisopensourcesummit.org

251 ms

2019.opensourcesummit.paris

2019.opensourcesummit.paris

360 ms

jquery.js

jquery.js

301 ms

jquery-migrate.min.js

jquery-migrate.min.js

197 ms

biznet-template.jquery.js

biznet-template.jquery.js

197 ms

noscroll.js

noscroll.js

199 ms

cc6ad18c52.js

cc6ad18c52.js

79 ms

particles.js

particles.js

713 ms

jquery.pagepiling.js

jquery.pagepiling.js

206 ms

js

js

108 ms

slick.min.js

slick.min.js

28 ms

scripts.js

scripts.js

189 ms

uk-cookie-consent-js.js

uk-cookie-consent-js.js

187 ms

get-the-page.js

get-the-page.js

188 ms

embed.html

embed.html

309 ms

logo.png

logo.png

289 ms

27353678969_125cfedc98_2.jpg

27353678969_125cfedc98_2.jpg

425 ms

bg-section-2-e1565343349590.png

bg-section-2-e1565343349590.png

483 ms

systematic-509.jpg

systematic-509.jpg

928 ms

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bg-section-3.jpg

838 ms

alex-knight-199368-unsplash-e1568899732535.jpg

alex-knight-199368-unsplash-e1568899732535.jpg

422 ms

rami-al-zayat-170349-unsplash-e1568899613263.jpg

rami-al-zayat-170349-unsplash-e1568899613263.jpg

424 ms

bandwidth-close-up-connection-1148820-e1568899684779.jpg

bandwidth-close-up-connection-1148820-e1568899684779.jpg

546 ms

luke-chesser-JKUTrJ4vK00-unsplash-e1568899643308.jpg

luke-chesser-JKUTrJ4vK00-unsplash-e1568899643308.jpg

573 ms

chris-ried-ieic5Tq8YMk-unsplash-e1568899672802.jpg

chris-ried-ieic5Tq8YMk-unsplash-e1568899672802.jpg

589 ms

nasa-Q1p7bh3SHj8-unsplash-e1568899625551.jpg

nasa-Q1p7bh3SHj8-unsplash-e1568899625551.jpg

580 ms

taskin-ashiq-sfg742bnHvE-unsplash-e1568899591668.jpg

taskin-ashiq-sfg742bnHvE-unsplash-e1568899591668.jpg

653 ms

clay-banks-qW_k6x5OfRc-unsplash-e1568899658433.jpg

clay-banks-qW_k6x5OfRc-unsplash-e1568899658433.jpg

671 ms

back-6-e1565950661865.jpg

back-6-e1565950661865.jpg

676 ms

39131164731_65b154191b_o-1-e1568899903525.jpg

39131164731_65b154191b_o-1-e1568899903525.jpg

777 ms

Image10-1-e1568899914290.jpg

Image10-1-e1568899914290.jpg

857 ms

ASSO-FINAL-e1568899929756.jpg

ASSO-FINAL-e1568899929756.jpg

859 ms

38254422395_20dfe2b65e_o-3-e1568899940295.jpg

38254422395_20dfe2b65e_o-3-e1568899940295.jpg

866 ms

bg-sect-4-e1568899842147.jpg

bg-sect-4-e1568899842147.jpg

1244 ms

yoav-kutner.png

yoav-kutner.png

4707 ms

Bryan-Che-_-pro.jpg

Bryan-Che-_-pro.jpg

962 ms

Fabien-Potencier.png

Fabien-Potencier.png

1802 ms

Guillaume-Rinc%C3%A9-CTO-MAIF_2.jpg

Guillaume-Rinc%C3%A9-CTO-MAIF_2.jpg

1326 ms

zeev-suraski-e79b5751-c1d2-48f3-8b0f-5543e89364a-resize-750.jpeg

zeev-suraski-e79b5751-c1d2-48f3-8b0f-5543e89364a-resize-750.jpeg

1014 ms

V%C3%A9ronique-Torner.jpg

V%C3%A9ronique-Torner.jpg

1066 ms

5369-Amandine_LePape_770.jpg

5369-Amandine_LePape_770.jpg

1481 ms

Bruno-Sportisse.jpg

Bruno-Sportisse.jpg

1170 ms

Octave-Klaba_2.jpg

Octave-Klaba_2.jpg

1276 ms

back-5.jpg

back-5.jpg

1520 ms

Fichier-4.png

Fichier-4.png

1384 ms

Fichier-10.png

Fichier-10.png

1420 ms

Fichier-11.png

Fichier-11.png

1488 ms

2019.opensourcesummit.paris

2019.opensourcesummit.paris

1514 ms

3784_626.gif.png

3784_626.gif.png

1576 ms

style.min.css

style.min.css

1506 ms

js

js

90 ms

analytics.js

analytics.js

84 ms

collect

collect

135 ms

styles.css

styles.css

1332 ms

style.css

style.css

1208 ms

style.css

style.css

1262 ms

Dosis-Bold.ttf

Dosis-Bold.ttf

1426 ms

Montserrat-Bold.otf

Montserrat-Bold.otf

1596 ms

slick.css

slick.css

30 ms

animate.css

animate.css

1287 ms

jquery.pagepiling.css

jquery.pagepiling.css

1259 ms

Montserrat-Light.otf

Montserrat-Light.otf

1551 ms

refill

refill

1920 ms

3396_626.gif.png

3396_626.gif.png

1278 ms

3022_612.gif.png

3022_612.gif.png

1395 ms

actency.gif.png

actency.gif.png

1432 ms

bluemind.gif.png

bluemind.gif.png

1379 ms

jahia.gif.png

jahia.gif.png

1365 ms

3759_626.gif.png

3759_626.gif.png

1362 ms

redhat.gif.png

redhat.gif.png

1385 ms

sensio.gif.png

sensio.gif.png

1429 ms

worteks.gif.png

worteks.gif.png

1391 ms

axel-it.png

axel-it.png

1386 ms

capgemini.gif.png

capgemini.gif.png

1375 ms

ez.png

ez.png

1343 ms

4850_626.png

4850_626.png

1281 ms

vates_logo.png

vates_logo.png

1248 ms

logo_adullact_grand.png

logo_adullact_grand.png

4175 ms

alliance-libre-logo.png

alliance-libre-logo.png

1231 ms

480px-ANSSI_Logo.svg-1.png

480px-ANSSI_Logo.svg-1.png

1379 ms

logo-april.png

logo-april.png

1171 ms

t%C3%A9l%C3%A9chargement.png

t%C3%A9l%C3%A9chargement.png

1179 ms

CCI-Quadri-PARIS-2017.jpg

CCI-Quadri-PARIS-2017.jpg

1566 ms

Cigref.png

Cigref.png

1254 ms

cinovIT.png

cinovIT.png

1327 ms

CRIP.png

CRIP.png

1281 ms

3773_626.png

3773_626.png

1271 ms

La-Fabrique-des-Mobilit%C3%A9s_logo.jpg

La-Fabrique-des-Mobilit%C3%A9s_logo.jpg

1415 ms

Logo-Libertis.jpg

Logo-Libertis.jpg

1410 ms

logo_open-source-summit.jpg

logo_open-source-summit.jpg

1376 ms

Montserrat-Regular.otf

Montserrat-Regular.otf

1647 ms

Montserrat-SemiBold.otf

Montserrat-SemiBold.otf

1643 ms

osba.png

osba.png

1343 ms

osi.png

osi.png

1316 ms

oW2.png

oW2.png

1317 ms

plaine-commune.png

plaine-commune.png

1235 ms

So-libre_logo.png

So-libre_logo.png

1270 ms

syntec.png

syntec.png

1282 ms

archimag.png

archimag.png

1318 ms

cbp.png

cbp.png

1339 ms

logo_datacloudadvisor.jpg

logo_datacloudadvisor.jpg

1327 ms

decideurs.png

decideurs.png

1320 ms

developpez.png

developpez.png

1297 ms

frenchweb.png

frenchweb.png

1308 ms

ubergizmo.png

ubergizmo.png

1307 ms

globalsecuritymag.png

globalsecuritymag.png

1286 ms

itforbusiness.png

itforbusiness.png

1248 ms

linformaticien.png

linformaticien.png

1297 ms

lenouveleconomiste.png

lenouveleconomiste.png

1266 ms

LEMAGIT.png

LEMAGIT.png

1239 ms

Linuxmag.gif.png

Linuxmag.gif.png

1237 ms

minuxpratique.gif.png

minuxpratique.gif.png

1253 ms

linuxplan%C3%A8te.gif.png

linuxplan%C3%A8te.gif.png

1219 ms

Solutions-num%C3%A9riques_logo.png

Solutions-num%C3%A9riques_logo.png

1160 ms

back-footer-e1566299641585.jpg

back-footer-e1566299641585.jpg

1256 ms

systematic-logo.png

systematic-logo.png

1148 ms

weyou.png

weyou.png

1138 ms

cnll.png

cnll.png

1069 ms

LOGO_RIDF_2019_COULEUR.png

LOGO_RIDF_2019_COULEUR.png

1147 ms

ajax-loader.gif

ajax-loader.gif

1149 ms

Accessibility Review

parisopensourcesummit.org accessibility score

85

Accessibility Issues

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.

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

parisopensourcesummit.org best practices score

75

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

parisopensourcesummit.org SEO score

79

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

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

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 doesn't use 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 Parisopensourcesummit.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 Parisopensourcesummit.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

parisopensourcesummit.org

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