Tools & Wizards About Us
ko-da.co.jp screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

ko-da.co.jp

けいとのコーダ

Page Load Speed

4.3 sec in total

First Response

915 ms

Resources Loaded

2.6 sec

Page Rendered

725 ms

ko-da.co.jp screenshot

About Website

Visit ko-da.co.jp now to see the best up-to-date Ko Da content and also check out these interesting facts you probably never knew about ko-da.co.jp

豊富な品揃えの毛糸・編物用品・手芸用品を割引価格にて販売。6600円以上お買い上げの場合、送料無料にて配送。主な取り扱いメーカー ハマナカ、リッチモア、ダイヤ毛糸、クロバー、オリムパス、パピー、ダルマ毛糸、メルヘンアート、内藤商事

Visit ko-da.co.jp

Key Findings

We analyzed Ko-da.co.jp page load time and found that the first response time was 915 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

ko-da.co.jp performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.289

42/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

ko-da.co.jp

915 ms

ga.js

7 ms

common.css

529 ms

btn_search_blue.gif

760 ms

006c75a92ba244c6b4cbe2709aa17d7b.gif

1072 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 88% of them (52 requests) were addressed to the original Ko-da.co.jp, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to I.yimg.jp. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Kaipara.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.3 kB (10%)

Content Size

355.2 kB

After Optimization

319.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ko-da.co.jp main page is 355.2 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. 30% of websites need less resources to load. Images take 308.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 15.9 kB

  • Original 21.5 kB
  • After minification 20.4 kB
  • After compression 5.6 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 15.9 kB or 74% of the original size.

Image Optimization

-4%

Potential reduce by 12.4 kB

  • Original 308.0 kB
  • After minification 295.5 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. Ko Da images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-81%

Potential reduce by 6.9 kB

  • Original 8.6 kB
  • After minification 7.2 kB
  • After compression 1.7 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. Ko-da.co.jp needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (11%)

Requests Now

57

After Optimization

51

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ko Da. 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.

Network Requests Diagram

ko-da.co.jp

ko-da.co.jp

915 ms

ga.js

ga.js

7 ms

common.css

common.css

529 ms

btn_search_blue.gif

btn_search_blue.gif

760 ms

006c75a92ba244c6b4cbe2709aa17d7b.gif

006c75a92ba244c6b4cbe2709aa17d7b.gif

1072 ms

__utm.gif

__utm.gif

13 ms

title-2.gif

title-2.gif

588 ms

toppage-btn.gif

toppage-btn.gif

367 ms

souryou-btn.gif

souryou-btn.gif

367 ms

kaimonokago-btn.gif

kaimonokago-btn.gif

379 ms

Q&A-btn.gif

Q&A-btn.gif

485 ms

sitemap-btn.gif

sitemap-btn.gif

588 ms

shopping-logo.gif

shopping-logo.gif

589 ms

keito_fuyu-btn.gif

keito_fuyu-btn.gif

589 ms

collect

collect

65 ms

keito_natu-btn.gif

keito_natu-btn.gif

529 ms

amimono-btn.gif

amimono-btn.gif

536 ms

felt-btn.gif

felt-btn.gif

566 ms

kawabata-btn.gif

kawabata-btn.gif

596 ms

hamanaka_pack-btn.gif

hamanaka_pack-btn.gif

597 ms

lace-btn.gif

lace-btn.gif

625 ms

knitting_kit-btn.gif

knitting_kit-btn.gif

703 ms

eco_kraft-btn.gif

eco_kraft-btn.gif

710 ms

organic-btn.gif

organic-btn.gif

739 ms

teoriki-btn.gif

teoriki-btn.gif

776 ms

banner8831.gif

banner8831.gif

1709 ms

holiday.gif

holiday.gif

593 ms

knitring_top-btn.gif

knitring_top-btn.gif

771 ms

syugei-btn.gif

syugei-btn.gif

808 ms

ring_pil-btn.gif

ring_pil-btn.gif

871 ms

oshibana-btn.gif

oshibana-btn.gif

876 ms

glassart-btn.gif

glassart-btn.gif

905 ms

school-btn.gif

school-btn.gif

948 ms

link-btn.gif

link-btn.gif

949 ms

mail-btn.gif

mail-btn.gif

992 ms

k_banner_ecoan_2011ss.jpg

k_banner_ecoan_2011ss.jpg

1042 ms

sonomono2.jpg

sonomono2.jpg

1399 ms

k_banner_felt.jpg

k_banner_felt.jpg

1074 ms

manira.jpg

manira.jpg

1307 ms

shisyu.jpg

shisyu.jpg

1309 ms

paume_b.jpg

paume_b.jpg

1178 ms

sonomono.jpg

sonomono.jpg

1216 ms

percentkit.jpg

percentkit.jpg

1243 ms

sweets_b.jpg

sweets_b.jpg

1210 ms

eco_an_b.jpg

eco_an_b.jpg

1180 ms

e-g_b.jpg

e-g_b.jpg

1208 ms

sakiori_b.jpg

sakiori_b.jpg

1263 ms

rakuraku.jpg

rakuraku.jpg

1159 ms

ponpon01.jpg

ponpon01.jpg

1124 ms

ex_wool_s.jpg

ex_wool_s.jpg

1134 ms

sonomono_s.jpg

sonomono_s.jpg

1136 ms

alpacavignette_s.jpg

alpacavignette_s.jpg

1159 ms

pap_s.jpg

pap_s.jpg

1232 ms

t15-02_s.jpg

t15-02_s.jpg

1165 ms

h440-004_s.jpg

h440-004_s.jpg

1232 ms

s_dry_s.jpg

s_dry_s.jpg

1200 ms

sakiori.jpg

sakiori.jpg

1172 ms

bg03.gif

bg03.gif

1194 ms

bg02.gif

bg02.gif

1246 ms

Accessibility Review

ko-da.co.jp accessibility score

69

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

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

ko-da.co.jp best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

ko-da.co.jp SEO score

85

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ko-da.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 Ko-da.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

ko-da.co.jp

Open Graph description is not detected on the main page of Ko Da. 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: