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rakuten-hikaku.net

534 ms

style_catalog.css

330 ms

search.js

345 ms

script.php

421 ms

credit_4936.gif

457 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 80% of them (4 requests) were addressed to the original Rakuten-hikaku.net, 20% (1 request) were made to Webservice.rakuten.co.jp. The less responsive or slowest element that took the longest time to load (534 ms) belongs to the original domain Rakuten-hikaku.net.

Content Size

23.5 kB

After Optimization

5.9 kB

In fact, the total size of Rakuten-hikaku.net main page is 23.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 10.6 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 7.6 kB

Original 10.6 kB
After minification 10.3 kB
After compression 3.0 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 7.6 kB or 72% of the original size.

JavaScript Optimization

-74%

Potential reduce by 5.6 kB

Original 7.6 kB
After minification 5.9 kB
After compression 2.0 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 5.6 kB or 74% of the original size.

CSS Optimization

-82%

Potential reduce by 4.4 kB

Original 5.3 kB
After minification 3.1 kB
After compression 953 B

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. Rakuten-hikaku.net needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rakuten Hikaku. According to our analytics all requests are already optimized.

Accessibility Issues

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.

High

<frame> or <iframe> elements do not have a title

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Browser errors were logged to the console

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

N/A
Language Claimed

JP
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rakuten-hikaku.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 . Our system also found out that Rakuten-hikaku.net main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

rakuten-hikaku.net

Open Graph description is not detected on the main page of Rakuten Hikaku. 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: