Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

sakura-pc.jp

桜PCの役立つパソコン情報|SAKURA-PC

Page Load Speed

3.4 sec in total

First Response

639 ms

Resources Loaded

2.6 sec

Page Rendered

193 ms

sakura-pc.jp screenshot

About Website

Click here to check amazing SAKURA PC content for Japan. Otherwise, check out these important facts you probably never knew about sakura-pc.jp

パソコンの購入からトラブル解決や活用まで総合案内するPC講座

Visit sakura-pc.jp

Key Findings

We analyzed Sakura-pc.jp page load time and found that the first response time was 639 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

sakura-pc.jp performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

46/100

25%

SI (Speed Index)

Value5.5 s

56/100

10%

TBT (Total Blocking Time)

Value580 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

sakura-pc.jp

639 ms

www.sakura-pc.jp

762 ms

mainpage03.js

323 ms

mainpage03.css

518 ms

analytics.js

54 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 75% of them (15 requests) were addressed to the original Sakura-pc.jp, 10% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Webclickers.net. The less responsive or slowest element that took the longest time to load (762 ms) belongs to the original domain Sakura-pc.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.2 kB (53%)

Content Size

93.5 kB

After Optimization

44.3 kB

In fact, the total size of Sakura-pc.jp main page is 93.5 kB. 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 10% of websites need less resources to load. Javascripts take 53.9 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 6.2 kB

  • Original 9.9 kB
  • After minification 9.0 kB
  • After compression 3.7 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. 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 6.2 kB or 63% of the original size.

Image Optimization

-2%

Potential reduce by 338 B

  • Original 17.2 kB
  • After minification 16.8 kB

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. SAKURA PC images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.6 kB

  • Original 53.9 kB
  • After minification 53.8 kB
  • After compression 21.3 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 32.6 kB or 60% of the original size.

CSS Optimization

-80%

Potential reduce by 10.1 kB

  • Original 12.5 kB
  • After minification 9.3 kB
  • After compression 2.5 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. Sakura-pc.jp needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (28%)

Requests Now

18

After Optimization

13

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

Accessibility Review

sakura-pc.jp accessibility score

80

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Links do not have a discernible name

Best Practices

sakura-pc.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sakura-pc.jp SEO score

98

Search Engine Optimization Advices

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sakura-pc.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 Sakura-pc.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 SAKURA PC. 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: