Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

servan.jp

横浜、川崎・湘南エリアの不動産なら株式会社日本セルバンまで！

Page Load Speed

11.6 sec in total

First Response

297 ms

Resources Loaded

10.7 sec

Page Rendered

658 ms

About Website

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

株式会社日本セルバンのTOPページです。横浜、川崎エリアで不動産を探すなら株式会社日本セルバンにおまかせ！私たちは皆様と一緒にこだわりの住まいを探してまいります。ご希望・ご要望があればお気軽にご連絡下さい。

Visit servan.jp

Key Findings

We analyzed Servan.jp page load time and found that the first response time was 297 ms and then it took 11.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

servan.jp performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.37

29/100

15%

TTI (Time to Interactive)

Value17.2 s

4/100

10%

Network Requests Diagram

servan.jp

297 ms

servan.jp

602 ms

www.servan.jp

302 ms

www.servan.jp

1642 ms

common.css

184 ms

Our browser made a total of 180 requests to load all elements on the main page. We found that 48% of them (86 requests) were addressed to the original Servan.jp, 17% (30 requests) were made to Cdn.img-asp.jp and 9% (16 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (7 sec) relates to the external source Cdn.img-asp.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 161.8 kB (7%)

Content Size

2.3 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Servan.jp main page is 2.3 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. Only a small number of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 124.8 kB

  • Original 143.7 kB
  • After minification 99.5 kB
  • After compression 18.9 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. This page needs HTML code to be minified as it can gain 44.2 kB, which is 31% 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 124.8 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 29.2 kB

  • Original 1.7 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. Servan images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.6 kB

  • Original 423.8 kB
  • After minification 423.7 kB
  • After compression 420.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 4.1 kB

  • Original 73.6 kB
  • After minification 71.4 kB
  • After compression 69.5 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. Servan.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 46 (26%)

Requests Now

174

After Optimization

128

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 174 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Servan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

servan.jp accessibility score

68

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

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

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

servan.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

servan.jp SEO score

92

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

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 Servan.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 Servan.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 Servan. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: