Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

cereza.co.jp

山形市賃貸アパート・賃貸マンション | 不動産のことなら株式会社セレサ

Page Load Speed

10.3 sec in total

First Response

452 ms

Resources Loaded

9.2 sec

Page Rendered

640 ms

cereza.co.jp screenshot

About Website

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

山形市内で賃貸アパート・マンションをお探しなら山形ときめき通り店にお任せ下さい!山形市内で仲介手数料無料の賃貸物件をはじめ、豊富な物件情報をご紹介しております。また、山形市内でのお部屋探しに役立つ賃貸情報コラムなどもご紹介しております。

Visit cereza.co.jp

Key Findings

We analyzed Cereza.co.jp page load time and found that the first response time was 452 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cereza.co.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.301

39/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

cereza.co.jp

452 ms

www.cereza.co.jp

618 ms

common.css

362 ms

aside.css

362 ms

jquery.mCustomScrollbar.css

382 ms

Our browser made a total of 142 requests to load all elements on the main page. We found that 77% of them (110 requests) were addressed to the original Cereza.co.jp, 9% (13 requests) were made to Img-asp.jp and 4% (5 requests) were made to Cloud.ielove.jp. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Cereza.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 655.3 kB (27%)

Content Size

2.5 MB

After Optimization

1.8 MB

In fact, the total size of Cereza.co.jp main page is 2.5 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. 60% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 97.2 kB

  • Original 110.9 kB
  • After minification 71.3 kB
  • After compression 13.7 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 39.7 kB, which is 36% 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 97.2 kB or 88% of the original size.

Image Optimization

-10%

Potential reduce by 185.6 kB

  • Original 1.8 MB
  • After minification 1.7 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. Cereza images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 169.8 kB

  • Original 264.0 kB
  • After minification 263.9 kB
  • After compression 94.2 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 169.8 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 202.6 kB

  • Original 244.2 kB
  • After minification 244.1 kB
  • After compression 41.5 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. Cereza.co.jp needs all CSS files to be minified and compressed as it can save up to 202.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (12%)

Requests Now

133

After Optimization

117

The browser has sent 133 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cereza. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cereza.co.jp accessibility score

60

Accessibility Issues

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

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.

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

cereza.co.jp best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cereza.co.jp SEO score

85

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cereza.co.jp 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 Cereza.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 data is detected on the main page of Cereza. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: