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Welcome to 300books.net homepage info - get ready to check 300 Books best content for Japan right away, or after learning these important things about 300books.net
Visit 300books.netWe analyzed 300books.net page load time and found that the first response time was 1.7 sec and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
300books.net performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value8.8 s
1/100
25%
Value10.1 s
9/100
10%
Value1,490 ms
14/100
30%
Value0.009
100/100
15%
Value14.2 s
9/100
10%
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Our browser made a total of 72 requests to load all elements on the main page. We found that 61% of them (44 requests) were addressed to the original 300books.net, 7% (5 requests) were made to Pagead2.googlesyndication.com and 7% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Box.c.yimg.jp.
Page size can be reduced by 234.9 kB (32%)
738.8 kB
503.8 kB
In fact, the total size of 300books.net main page is 738.8 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. 50% of websites need less resources to load. Images take 433.3 kB which makes up the majority of the site volume.
Potential reduce by 50.9 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 50.9 kB or 83% of the original size.
Potential reduce by 52.8 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. Obviously, 300 Books needs image optimization as it can save up to 52.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 74.1 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 74.1 kB or 42% of the original size.
Potential reduce by 57.1 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. 300books.net needs all CSS files to be minified and compressed as it can save up to 57.1 kB or 84% of the original size.
Number of requests can be reduced by 28 (40%)
70
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The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 300 Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
300books.net
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300books.net accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
[id] attributes on active, focusable elements are not unique
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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
300books.net 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
Issues were logged in the Issues panel in Chrome Devtools
300books.net SEO score
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 uses legible font sizes
Tap targets are not sized appropriately
N/A
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 300books.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that 300books.net 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.
300books.net
Open Graph description is not detected on the main page of 300 Books. 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: