Tools & Wizards About Us
k-tai-iosys.com screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

k-tai-iosys.com

スマホ、携帯、iPhone買取なら【イオシス買取】

Page Load Speed

7.6 sec in total

First Response

1 sec

Resources Loaded

6.4 sec

Page Rendered

248 ms

k-tai-iosys.com screenshot

About Website

Welcome to k-tai-iosys.com homepage info - get ready to check K Tai Iosys best content for Japan right away, or after learning these important things about k-tai-iosys.com

東京秋葉原・新宿、大阪日本橋、名古屋大須、福岡天神、神戸三宮でおなじみのイオシス買取では、iPhoneなどスマホ・携帯を店舗でも宅配でも高額買取いたします！電気街だからできる高額買取と幅広い取扱商材によりSIMフリー、格安スマホなども買取ます！法人様大量案件も大歓迎！けっこう高い。

Visit k-tai-iosys.com

Key Findings

We analyzed K-tai-iosys.com page load time and found that the first response time was 1 sec and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

k-tai-iosys.com performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.317

37/100

15%

TTI (Time to Interactive)

Value22.4 s

1/100

10%

Network Requests Diagram

k-tai-iosys.com

1011 ms

reset.css

361 ms

style.css

395 ms

top.css

407 ms

default.css

405 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 89% of them (50 requests) were addressed to the original K-tai-iosys.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Seal.globalsign.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain K-tai-iosys.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 161.8 kB (55%)

Content Size

295.4 kB

After Optimization

133.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of K-tai-iosys.com main page is 295.4 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. 25% of websites need less resources to load. Javascripts take 189.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 13.7 kB

  • Original 18.0 kB
  • After minification 12.0 kB
  • After compression 4.3 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 6.0 kB, which is 33% 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 13.7 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 949 B

  • Original 48.3 kB
  • After minification 47.3 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. K Tai Iosys images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 116.5 kB

  • Original 189.4 kB
  • After minification 172.5 kB
  • After compression 72.9 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 116.5 kB or 62% of the original size.

CSS Optimization

-77%

Potential reduce by 30.7 kB

  • Original 39.7 kB
  • After minification 34.4 kB
  • After compression 9.0 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. K-tai-iosys.com needs all CSS files to be minified and compressed as it can save up to 30.7 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (24%)

Requests Now

54

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of K Tai Iosys. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

k-tai-iosys.com

k-tai-iosys.com

1011 ms

reset.css

reset.css

361 ms

style.css

style.css

395 ms

top.css

top.css

407 ms

default.css

default.css

405 ms

nivo-slider.css

nivo-slider.css

408 ms

font-awesome.min.css

font-awesome.min.css

715 ms

gs_image_115-57_ja.js

gs_image_115-57_ja.js

5 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

1274 ms

jquery.jrumble.1.3.min.js

jquery.jrumble.1.3.min.js

375 ms

common.js

common.js

400 ms

jquery.nivo.slider.js

jquery.nivo.slider.js

952 ms

analytics.js

analytics.js

45 ms

logo.png

logo.png

205 ms

sign.png

sign.png

355 ms

dial.png

dial.png

364 ms

1000yen_futan.png

1000yen_futan.png

405 ms

nav_01.png

nav_01.png

600 ms

nav_02.png

nav_02.png

598 ms

nav_03.png

nav_03.png

747 ms

nav_04.png

nav_04.png

756 ms

nav_08.png

nav_08.png

783 ms

nav_06.png

nav_06.png

912 ms

nav_07_off.png

nav_07_off.png

963 ms

search_bg.png

search_bg.png

966 ms

syuttyou_left.gif

syuttyou_left.gif

1566 ms

iosys_go_off.png

iosys_go_off.png

1562 ms

mac_purchase.png

mac_purchase.png

1185 ms

iosys_info_h.png

iosys_info_h.png

1293 ms

iosys_logo.png

iosys_logo.png

1351 ms

campain_bn_231.jpg

campain_bn_231.jpg

2634 ms

pc_kaitor.jpg

pc_kaitor.jpg

2490 ms

tushin_off.png

tushin_off.png

1728 ms

tentou_off.png

tentou_off.png

1757 ms

erace.jpg

erace.jpg

2851 ms

iphone4_buy.gif

iphone4_buy.gif

2326 ms

nexus7_buy.gif

nexus7_buy.gif

2537 ms

signature.png

signature.png

2196 ms

widgets.js

widgets.js

137 ms

get_the_archives_infomation.php

get_the_archives_infomation.php

2891 ms

iosys_info.png

iosys_info.png

2724 ms

loading.gif

loading.gif

2859 ms

info_bg.png

info_bg.png

2910 ms

eyecatch.png

eyecatch.png

4216 ms

whats_off.png

whats_off.png

3102 ms

fukusuu.png

fukusuu.png

3170 ms

houjin_off.png

houjin_off.png

3250 ms

flow_bg2.png

flow_bg2.png

4137 ms

collect

collect

19 ms

collect

collect

128 ms

flow_h.png

flow_h.png

3079 ms

footer.png

footer.png

3303 ms

tag.js

tag.js

19 ms

style.css

style.css

703 ms

arrows.png

arrows.png

381 ms

bullets.png

bullets.png

381 ms

Accessibility Review

k-tai-iosys.com accessibility score

71

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

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.

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

k-tai-iosys.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

k-tai-iosys.com SEO score

97

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

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise K-tai-iosys.com 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 K-tai-iosys.com 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

k-tai-iosys.com

Open Graph description is not detected on the main page of K Tai Iosys. 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: