5.1 sec in total
689 ms
4.1 sec
289 ms
Welcome to libro.jp homepage info - get ready to check Libro best content for Japan right away, or after learning these important things about libro.jp
NICリテールズは全国に展開する約250店舗に及ぶ小売事業の運営とそのバックオフィスを支援するBPO事業を展開しています
Visit libro.jpWe analyzed Libro.jp page load time and found that the first response time was 689 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
libro.jp performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value12.1 s
0/100
25%
Value8.9 s
15/100
10%
Value150 ms
94/100
30%
Value0
100/100
15%
Value8.7 s
36/100
10%
689 ms
467 ms
476 ms
828 ms
335 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 62% of them (52 requests) were addressed to the original Libro.jp, 20% (17 requests) were made to Pbs.twimg.com and 6% (5 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Libro.jp.
Page size can be reduced by 354.3 kB (7%)
5.1 MB
4.7 MB
In fact, the total size of Libro.jp main page is 5.1 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. 60% of websites need less resources to load. Images take 4.8 MB which makes up the majority of the site volume.
Potential reduce by 14.4 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 14.4 kB or 75% of the original size.
Potential reduce by 167.3 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. Libro images are well optimized though.
Potential reduce by 110.6 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 110.6 kB or 66% of the original size.
Potential reduce by 62.0 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. Libro.jp needs all CSS files to be minified and compressed as it can save up to 62.0 kB or 81% of the original size.
Number of requests can be reduced by 24 (29%)
83
59
The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
libro.jp
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libro.jp 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
Image elements do not have [alt] attributes
Links do not have a discernible name
libro.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
libro.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libro.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Libro.jp 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.
libro.jp
Open Graph description is not detected on the main page of Libro. 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: