Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

walpa.jp

輸入壁紙専門オンラインショップ『WALPA』海外の最新デザイン壁紙をあなたに – WALPA.jp

Page Load Speed

13.7 sec in total

First Response

2 sec

Resources Loaded

11.6 sec

Page Rendered

165 ms

walpa.jp screenshot

About Website

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

WALPA(ワルパ)は世界中の最新デザインをいち早く紹介する、TV・雑誌で話題の輸入壁紙の専門店。3万種類近くのデザインから初心者にも貼りやすいフリース製壁紙、発色が美しい紙製壁紙など選りすぐりを紹介。輸入壁紙や壁紙を張るのり・道具だけでなく、DIYで初心者でも張れるようになる壁紙の張り方教室などワークショップも人気。

Visit walpa.jp

Key Findings

We analyzed Walpa.jp page load time and found that the first response time was 2 sec and then it took 11.7 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

walpa.jp performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.2 s

0/100

25%

SI (Speed Index)

Value21.1 s

0/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.332

34/100

15%

TTI (Time to Interactive)

Value26.8 s

0/100

10%

Network Requests Diagram

walpa.jp

1964 ms

all.css

532 ms

add.css

390 ms

css.js

408 ms

navi.js

407 ms

Our browser made a total of 271 requests to load all elements on the main page. We found that 94% of them (255 requests) were addressed to the original Walpa.jp, 1% (3 requests) were made to Google-analytics.com and 1% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Walpa.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 895.9 kB (21%)

Content Size

4.3 MB

After Optimization

3.4 MB

In fact, the total size of Walpa.jp main page is 4.3 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. 60% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 125.1 kB

  • Original 152.0 kB
  • After minification 125.5 kB
  • After compression 27.0 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 26.6 kB, which is 17% 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 125.1 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 212.6 kB

  • Original 3.4 MB
  • After minification 3.2 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. WALPA images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 269.6 kB

  • Original 409.1 kB
  • After minification 397.1 kB
  • After compression 139.5 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 269.6 kB or 66% of the original size.

CSS Optimization

-84%

Potential reduce by 288.7 kB

  • Original 344.1 kB
  • After minification 313.7 kB
  • After compression 55.5 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. Walpa.jp needs all CSS files to be minified and compressed as it can save up to 288.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (22%)

Requests Now

268

After Optimization

208

The browser has sent 268 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WALPA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

walpa.jp accessibility score

76

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

walpa.jp best practices score

67

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

walpa.jp SEO score

83

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