5.3 sec in total
289 ms
4.4 sec
645 ms
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Visit bigdataparis.comWe analyzed Bigdataparis.com page load time and found that the first response time was 289 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
bigdataparis.com performance score
name
value
score
weighting
Value2.3 s
75/100
10%
Value8.1 s
2/100
25%
Value10.0 s
9/100
10%
Value560 ms
53/100
30%
Value0
100/100
15%
Value10.8 s
22/100
10%
289 ms
521 ms
169 ms
170 ms
258 ms
Our browser made a total of 140 requests to load all elements on the main page. We found that 70% of them (98 requests) were addressed to the original Bigdataparis.com, 6% (8 requests) were made to Apis.google.com and 2% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Bigdataparis.com.
Page size can be reduced by 940.6 kB (31%)
3.0 MB
2.1 MB
In fact, the total size of Bigdataparis.com main page is 3.0 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. 70% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 184.8 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 56.3 kB, which is 27% 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 184.8 kB or 89% of the original size.
Potential reduce by 166.2 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. Big Data Paris images are well optimized though.
Potential reduce by 281.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 281.9 kB or 66% of the original size.
Potential reduce by 307.8 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. Bigdataparis.com needs all CSS files to be minified and compressed as it can save up to 307.8 kB or 85% of the original size.
Number of requests can be reduced by 51 (38%)
135
84
The browser has sent 135 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Big Data Paris. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
bigdataparis.com
289 ms
www.bigdataparis.com
521 ms
site_global.css
169 ms
master_gabhome.css
170 ms
index.css
258 ms
museutils.js
86 ms
whatinput.js
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webpro.js
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musewpslideshow.js
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jquery.museoverlay.js
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touchswipe.js
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jquery.scrolleffects.js
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analytics.js
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blank.gif
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logo_bigdata16_jaune.png
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ad_status.js
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2UX7WLTfW3W8TclTUvlFyQ.woff
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RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff
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follow_button.b9740740e0bcf9b0657c5b11bd4388da.fr.html
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98 ms
bigdataparis.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible 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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
bigdataparis.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
bigdataparis.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
Document uses legible font sizes
FR
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bigdataparis.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 Bigdataparis.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.
bigdataparis.com
Open Graph description is not detected on the main page of Big Data Paris. 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: