Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

star7.co.jp

足立区・川口市の新築戸建て・住宅ローンのことなら株式会社スター不動産

Page Load Speed

18.6 sec in total

First Response

1.3 sec

Resources Loaded

16.3 sec

Page Rendered

1.1 sec

star7.co.jp screenshot

About Website

Welcome to star7.co.jp homepage info - get ready to check Star 7 best content right away, or after learning these important things about star7.co.jp

足立区、川口市を中心とした不動産情報を豊富に揃えています!住宅ローンにも強いスタッフが揃っておりますので、住まいに関する事ならお任せ下さい。足立区、川口市の新築一戸建て、中古一戸建て、土地、マンションのことなら株式会社 スター不動産にお任せください。

Visit star7.co.jp

Key Findings

We analyzed Star7.co.jp page load time and found that the first response time was 1.3 sec and then it took 17.4 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.

Performance Metrics

star7.co.jp performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value3,230 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.32

36/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

star7.co.jp

1257 ms

base.css

860 ms

top.css

711 ms

common.css

724 ms

analyze_js.php

590 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 95% of them (123 requests) were addressed to the original Star7.co.jp, 2% (3 requests) were made to Google-analytics.com and 2% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (7 sec) belongs to the original domain Star7.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.2 MB (36%)

Content Size

14.5 MB

After Optimization

9.3 MB

In fact, the total size of Star7.co.jp main page is 14.5 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. 35% of websites need less resources to load. Images take 13.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 47.6 kB

  • Original 58.0 kB
  • After minification 53.6 kB
  • After compression 10.4 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 47.6 kB or 82% of the original size.

Image Optimization

-33%

Potential reduce by 4.5 MB

  • Original 13.6 MB
  • After minification 9.2 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. Obviously, Star 7 needs image optimization as it can save up to 4.5 MB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 362.3 kB

  • Original 486.4 kB
  • After minification 347.7 kB
  • After compression 124.1 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 362.3 kB or 74% of the original size.

CSS Optimization

-88%

Potential reduce by 264.0 kB

  • Original 300.1 kB
  • After minification 217.6 kB
  • After compression 36.2 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. Star7.co.jp needs all CSS files to be minified and compressed as it can save up to 264.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (27%)

Requests Now

128

After Optimization

93

The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Star 7. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

star7.co.jp accessibility score

60

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

star7.co.jp best practices score

67

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

star7.co.jp SEO score

82

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

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Star7.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 Star7.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 Star 7. 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: