Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

Page Load Speed

6.6 sec in total

First Response

512 ms

Resources Loaded

5.9 sec

Page Rendered

228 ms

refonavi.co.jp screenshot

About Website

Welcome to refonavi.co.jp homepage info - get ready to check Refonavi best content right away, or after learning these important things about refonavi.co.jp

建築検索エンジン『建築関連、設計関連、設備関連、リフォーム関連など建築・設計・設備の事は建築検索エンジン ケンサンで』

Visit refonavi.co.jp

Key Findings

We analyzed Refonavi.co.jp page load time and found that the first response time was 512 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

refonavi.co.jp performance score

0

Network Requests Diagram

refonavi.co.jp

512 ms

www.refonavi.co.jp

1005 ms

portal_g.css

485 ms

jsapi

19 ms

blogParts468X90.js

728 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 12% of them (13 requests) were addressed to the original Refonavi.co.jp, 9% (10 requests) were made to Google.com and 7% (8 requests) were made to Seikatsu.setsuden.go.jp. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Www18.a8.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.3 kB (58%)

Content Size

291.9 kB

After Optimization

122.6 kB

In fact, the total size of Refonavi.co.jp main page is 291.9 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. 35% of websites need less resources to load. Javascripts take 179.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 44.4 kB

  • Original 59.4 kB
  • After minification 56.4 kB
  • After compression 15.0 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 44.4 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 1.1 kB

  • Original 47.5 kB
  • After minification 46.4 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. Refonavi images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 119.6 kB

  • Original 179.8 kB
  • After minification 161.7 kB
  • After compression 60.1 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 119.6 kB or 67% of the original size.

CSS Optimization

-81%

Potential reduce by 4.3 kB

  • Original 5.3 kB
  • After minification 3.6 kB
  • After compression 1.0 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. Refonavi.co.jp needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 62 (63%)

Requests Now

98

After Optimization

36

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Refonavi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.

SEO Factors

refonavi.co.jp SEO score

0

Language and Encoding

  • Language Detected

    DV

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Refonavi.co.jp can be misinterpreted by Google and other search engines. Our service has detected that is used on the page, and it does not match the claimed Japanese language. Our system also found out that Refonavi.co.jp main page’s claimed encoding is shift_jis. 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

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