Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

bumpodo.co.jp

文房堂

Page Load Speed

4.1 sec in total

First Response

523 ms

Resources Loaded

3.2 sec

Page Rendered

353 ms

bumpodo.co.jp screenshot

About Website

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

信頼の画材 創業明治20年 神田神保町の老舗画材店 文房堂 ぶんぽうどう

Visit bumpodo.co.jp

Key Findings

We analyzed Bumpodo.co.jp page load time and found that the first response time was 523 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

bumpodo.co.jp performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value17.3 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value2,090 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.215

58/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

Network Requests Diagram

bumpodo.co.jp

523 ms

jquery.min.js

7 ms

heightLine.js

156 ms

common.js

310 ms

template.css

332 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 63% of them (64 requests) were addressed to the original Bumpodo.co.jp, 12% (12 requests) were made to O.twimg.com and 10% (10 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Bumpodo.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.5 kB (8%)

Content Size

1.1 MB

After Optimization

1.0 MB

In fact, the total size of Bumpodo.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. 50% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 21.5 kB

  • Original 29.9 kB
  • After minification 29.2 kB
  • After compression 8.4 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 21.5 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 5.9 kB

  • 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. Bumpodo images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 3.9 kB

  • Original 5.0 kB
  • After minification 3.3 kB
  • After compression 1.1 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 3.9 kB or 78% of the original size.

CSS Optimization

-83%

Potential reduce by 55.2 kB

  • Original 66.6 kB
  • After minification 58.1 kB
  • After compression 11.4 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. Bumpodo.co.jp needs all CSS files to be minified and compressed as it can save up to 55.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (32%)

Requests Now

100

After Optimization

68

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bumpodo. 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 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bumpodo.co.jp accessibility score

57

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.

High

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

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

<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

Best Practices

bumpodo.co.jp best practices score

58

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

bumpodo.co.jp SEO score

67

Search Engine Optimization Advices

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

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 Bumpodo.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 Bumpodo.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 Bumpodo. 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: