Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

supergenji.jp

古本と古書の一括検索・通販ならスーパー源氏|全国在庫を横断検索

Page Load Speed

3.4 sec in total

First Response

1.3 sec

Resources Loaded

2 sec

Page Rendered

101 ms

supergenji.jp screenshot

About Website

Click here to check amazing Supergenji content for Japan. Otherwise, check out these important facts you probably never knew about supergenji.jp

日本最大級の古本と古書の検索サイト。日本全国の古本のプロが厳選した700万冊から検索できる、買える。詳細検索、専門的分類、フィーリング分類と多彩な検索方法から本との出会いを楽しめます。

Visit supergenji.jp

Key Findings

We analyzed Supergenji.jp page load time and found that the first response time was 1.3 sec and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

supergenji.jp performance score

0

Network Requests Diagram

supergenji.jp

1309 ms

base.css

502 ms

common.css

934 ms

ga.js

380 ms

analytics.js

87 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 75% of them (6 requests) were addressed to the original Supergenji.jp, 25% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Supergenji.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.6 kB (67%)

Content Size

137.9 kB

After Optimization

45.3 kB

In fact, the total size of Supergenji.jp main page is 137.9 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. Javascripts take 53.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 36.7 kB

  • Original 45.2 kB
  • After minification 43.7 kB
  • After compression 8.5 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 36.7 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 884 B

  • Original 11.3 kB
  • After minification 10.4 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. Supergenji images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.1 kB

  • Original 53.3 kB
  • After minification 53.3 kB
  • After compression 21.2 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 32.1 kB or 60% of the original size.

CSS Optimization

-82%

Potential reduce by 23.0 kB

  • Original 28.1 kB
  • After minification 21.9 kB
  • After compression 5.2 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. Supergenji.jp needs all CSS files to be minified and compressed as it can save up to 23.0 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Supergenji. According to our analytics all requests are already optimized.

SEO Factors

supergenji.jp SEO score

0

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Supergenji.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 Supergenji.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.

Social Sharing Optimization

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