Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

osawa-office.co.jp

大沢在昌・京極夏彦・宮部みゆき 公式ホームページ『大極宮』

Page Load Speed

6.2 sec in total

First Response

747 ms

Resources Loaded

5 sec

Page Rendered

474 ms

osawa-office.co.jp screenshot

About Website

Welcome to osawa-office.co.jp homepage info - get ready to check Osawa Office best content for Japan right away, or after learning these important things about osawa-office.co.jp

Visit osawa-office.co.jp

Key Findings

We analyzed Osawa-office.co.jp page load time and found that the first response time was 747 ms and then it took 5.5 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

osawa-office.co.jp performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

osawa-office.co.jp

747 ms

index.css

689 ms

menu_new.js

522 ms

newmark.js

536 ms

scroll.js

540 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that all of those requests were addressed to Osawa-office.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Osawa-office.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.2 kB (4%)

Content Size

1.1 MB

After Optimization

1.1 MB

In fact, the total size of Osawa-office.co.jp main page is 1.1 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. 25% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 12.3 kB

  • Original 16.4 kB
  • After minification 15.4 kB
  • After compression 4.1 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 12.3 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 697 B

  • Original 1.0 MB
  • After minification 1.0 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. Osawa Office images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 24.8 kB

  • Original 32.5 kB
  • After minification 23.0 kB
  • After compression 7.7 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 24.8 kB or 76% of the original size.

CSS Optimization

-78%

Potential reduce by 8.4 kB

  • Original 10.7 kB
  • After minification 8.3 kB
  • After compression 2.3 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. Osawa-office.co.jp needs all CSS files to be minified and compressed as it can save up to 8.4 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (19%)

Requests Now

73

After Optimization

59

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osawa Office. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

osawa-office.co.jp accessibility score

96

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

osawa-office.co.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

osawa-office.co.jp SEO score

67

Search Engine Optimization Advices

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 Osawa-office.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 Osawa-office.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 Osawa Office. 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: