Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

909.co.jp

ロレックス専門店クォーク

Page Load Speed

5.5 sec in total

First Response

556 ms

Resources Loaded

4.7 sec

Page Rendered

211 ms

909.co.jp screenshot

About Website

Visit 909.co.jp now to see the best up-to-date 909 content for Japan and also check out these interesting facts you probably never knew about 909.co.jp

ロレックス専門店クォークは、銀座・上野・心斎橋など全国に17店舗ございます。ロレックスの新品・中古・アンティークの販売とブランド時計の高価買取を行っております。

Visit 909.co.jp

Key Findings

We analyzed 909.co.jp page load time and found that the first response time was 556 ms and then it took 4.9 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

909.co.jp performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value550 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

909.co.jp

556 ms

909.co.jp

1254 ms

style.css

1124 ms

common.css

1133 ms

footer.css

1134 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 69% of them (31 requests) were addressed to the original 909.co.jp, 9% (4 requests) were made to 909cojp.sakura.ne.jp and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain 909.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 101.7 kB (13%)

Content Size

801.6 kB

After Optimization

699.9 kB

In fact, the total size of 909.co.jp main page is 801.6 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. Images take 599.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 14.5 kB

  • Original 19.4 kB
  • After minification 19.3 kB
  • After compression 4.9 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 14.5 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 6.3 kB

  • Original 599.8 kB
  • After minification 593.4 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. 909 images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 68.9 kB

  • Original 165.9 kB
  • After minification 165.6 kB
  • After compression 97.0 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 68.9 kB or 42% of the original size.

CSS Optimization

-73%

Potential reduce by 11.9 kB

  • Original 16.5 kB
  • After minification 15.4 kB
  • After compression 4.5 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. 909.co.jp needs all CSS files to be minified and compressed as it can save up to 11.9 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (33%)

Requests Now

40

After Optimization

27

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 909. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

909.co.jp accessibility score

82

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Internationalization and localization

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

Impact

Issue

High

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

Best Practices

909.co.jp best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

909.co.jp SEO score

69

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

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 909.co.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 909.co.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 909. 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: