Tools & Wizards About Us
aucfan.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

aucfan.com

買うときも売るときもオークファン - Yahoo!オークション(旧ヤフオク!)や通販サイトの価格データで適切な相場を検索

Page Load Speed

6.1 sec in total

First Response

338 ms

Resources Loaded

5.1 sec

Page Rendered

678 ms

aucfan.com screenshot

About Website

Welcome to aucfan.com homepage info - get ready to check Aucfan best content for Japan right away, or after learning these important things about aucfan.com

ヤフオク・楽天・amazonそれぞれのオークションやショッピングの商品を比較・検討できる「オークファン」。過去10年間のオークション落札価格・情報を網羅。カンタン出品・落札ツールなど、便利な機能を多数搭載！

Visit aucfan.com

Key Findings

We analyzed Aucfan.com page load time and found that the first response time was 338 ms and then it took 5.8 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

aucfan.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value2,340 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

aucfan.com

338 ms

aucfan.com

1028 ms

common.css

332 ms

top.css

500 ms

jquery.min.js

45 ms

Our browser made a total of 155 requests to load all elements on the main page. We found that 48% of them (74 requests) were addressed to the original Aucfan.com, 25% (38 requests) were made to Auctions.afimg.jp and 5% (7 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Aucfan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 229.6 kB (14%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aucfan.com main page is 1.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 154.4 kB

  • Original 179.0 kB
  • After minification 104.6 kB
  • After compression 24.5 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. This page needs HTML code to be minified as it can gain 74.3 kB, which is 42% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 154.4 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 55.6 kB

  • Original 1.1 MB
  • After minification 1.0 MB

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. Aucfan images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 19.3 kB

  • Original 349.3 kB
  • After minification 349.3 kB
  • After compression 329.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 220 B

  • Original 47.5 kB
  • After minification 47.5 kB
  • After compression 47.3 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. Aucfan.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 53 (36%)

Requests Now

149

After Optimization

96

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 149 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aucfan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 51 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

aucfan.com

aucfan.com

338 ms

aucfan.com

aucfan.com

1028 ms

common.css

common.css

332 ms

top.css

top.css

500 ms

jquery.min.js

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45 ms

a8sales.js

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59 ms

jcarousellite_1.0.1.min.js

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532 ms

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ads

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ads

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45 ms

Accessibility Review

aucfan.com accessibility score

89

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

aucfan.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

aucfan.com SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aucfan.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Aucfan.com 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

aucfan.com

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