Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

big-tokyo.com

トップ | 不動産のビッグ東京

Page Load Speed

72.5 sec in total

First Response

1.1 sec

Resources Loaded

69.5 sec

Page Rendered

1.8 sec

big-tokyo.com screenshot

About Website

Click here to check amazing Big Tokyo content for Japan. Otherwise, check out these important facts you probably never knew about big-tokyo.com

渋谷・自由が丘・秋葉原の賃貸マンション・アパート情報サイト、不動産のビッグ 東京へようこそ。東京のお部屋探しならお任せください。新築・築浅物件・高級マンション・デザイナーズマンション・ペット相談可物件など豊富な不動産情報を毎日更新しているので、あなたに合った賃貸物件が見つかります!

Visit big-tokyo.com

Key Findings

We analyzed Big-tokyo.com page load time and found that the first response time was 1.1 sec and then it took 71.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 16 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

big-tokyo.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value1,490 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.222

56/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

big-tokyo.com

1135 ms

reset.css

463 ms

jquery.jscrollpane.css

474 ms

jquery.bxslider.css

471 ms

style1.css

919 ms

Our browser made a total of 246 requests to load all elements on the main page. We found that 99% of them (243 requests) were addressed to the original Big-tokyo.com, 1% (2 requests) were made to Google-analytics.com and 0% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Big-tokyo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 689.4 kB (14%)

Content Size

5.1 MB

After Optimization

4.4 MB

In fact, the total size of Big-tokyo.com main page is 5.1 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. 70% of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 301.4 kB

  • Original 332.1 kB
  • After minification 311.7 kB
  • After compression 30.8 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 301.4 kB or 91% of the original size.

Image Optimization

-5%

Potential reduce by 228.6 kB

  • Original 4.5 MB
  • After minification 4.3 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. Big Tokyo images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 69.2 kB

  • Original 138.6 kB
  • After minification 127.2 kB
  • After compression 69.4 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 69.2 kB or 50% of the original size.

CSS Optimization

-86%

Potential reduce by 90.2 kB

  • Original 105.1 kB
  • After minification 81.1 kB
  • After compression 14.9 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. Big-tokyo.com needs all CSS files to be minified and compressed as it can save up to 90.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (10%)

Requests Now

228

After Optimization

205

The browser has sent 228 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Big Tokyo. 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

big-tokyo.com accessibility score

61

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.

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

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

big-tokyo.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

big-tokyo.com SEO score

54

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

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Big-tokyo.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 Big-tokyo.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

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