5.4 sec in total
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Welcome to collections.bm-lyon.fr homepage info - get ready to check Collections Bm Lyon best content for France right away, or after learning these important things about collections.bm-lyon.fr
La Bibliothèque municipale de Lyon a entrepris la numérisation de sa collection de journaux lyonnais parus entre 1830 et 1914. En voici déjà quelques 60 000 feuilles, soit 200 titres de 1865 à 1914.
Visit collections.bm-lyon.frWe analyzed Collections.bm-lyon.fr page load time and found that the first response time was 406 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.
collections.bm-lyon.fr performance score
name
value
score
weighting
Value8.5 s
0/100
10%
Value13.9 s
0/100
25%
Value9.9 s
9/100
10%
Value220 ms
87/100
30%
Value0.123
83/100
15%
Value14.8 s
8/100
10%
406 ms
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Our browser made a total of 90 requests to load all elements on the main page. We found that 38% of them (34 requests) were addressed to the original Collections.bm-lyon.fr, 23% (21 requests) were made to Numelyo.bm-lyon.fr and 8% (7 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Collections.bm-lyon.fr.
Page size can be reduced by 754.6 kB (24%)
3.1 MB
2.4 MB
In fact, the total size of Collections.bm-lyon.fr main page is 3.1 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. 65% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 127.4 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. 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 127.4 kB or 80% of the original size.
Potential reduce by 22.4 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. Collections Bm Lyon images are well optimized though.
Potential reduce by 456.1 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 456.1 kB or 67% of the original size.
Potential reduce by 148.7 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. Collections.bm-lyon.fr needs all CSS files to be minified and compressed as it can save up to 148.7 kB or 84% of the original size.
Number of requests can be reduced by 47 (54%)
87
40
The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Collections Bm Lyon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
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collections.bm-lyon.fr 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.
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
Document doesn't have a <title> element
Image elements do not have [alt] attributes
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Some elements have a [tabindex] value greater than 0
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>).
collections.bm-lyon.fr 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
collections.bm-lyon.fr SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document doesn't use legible font sizes
FR
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Collections.bm-lyon.fr 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 Collections.bm-lyon.fr 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.
collections.bm-lyon.fr
Open Graph description is not detected on the main page of Collections Bm Lyon. 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: