Tools & Wizards About Us
semiconbox.com screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

semiconbox.com

電子部品の通販なら【セミコンボックス】

Page Load Speed

6 sec in total

First Response

562 ms

Resources Loaded

5.1 sec

Page Rendered

281 ms

semiconbox.com screenshot

About Website

Welcome to semiconbox.com homepage info - get ready to check Semiconbox best content for Japan right away, or after learning these important things about semiconbox.com

電子部品の通販サイト、セミコンボックスです。弊社では数十万点におよぶ、展国内外を含めたメーカーの半導体製品、電子部品を簡単に在庫検索、見積、購入が可能です。

Visit semiconbox.com

Key Findings

We analyzed Semiconbox.com page load time and found that the first response time was 562 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

semiconbox.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

semiconbox.com

562 ms

www.semiconbox.com

1305 ms

import.css

175 ms

jquery.js

526 ms

jquery-ui-1.10.4.custom.js

699 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 90% of them (64 requests) were addressed to the original Semiconbox.com, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Seal.verisign.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Semiconbox.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 226.1 kB (9%)

Content Size

2.6 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Semiconbox.com main page is 2.6 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. 35% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 11.1 kB

  • Original 16.7 kB
  • After minification 15.7 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 11.1 kB or 66% of the original size.

Image Optimization

-7%

Potential reduce by 161.1 kB

  • Original 2.4 MB
  • After minification 2.3 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. Semiconbox images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 50.6 kB

  • Original 144.4 kB
  • After minification 144.4 kB
  • After compression 93.7 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 50.6 kB or 35% of the original size.

CSS Optimization

-26%

Potential reduce by 3.3 kB

  • Original 12.9 kB
  • After minification 12.9 kB
  • After compression 9.6 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. Semiconbox.com needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (28%)

Requests Now

68

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Semiconbox. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

semiconbox.com

semiconbox.com

562 ms

www.semiconbox.com

www.semiconbox.com

1305 ms

import.css

import.css

175 ms

jquery.js

jquery.js

526 ms

jquery-ui-1.10.4.custom.js

jquery-ui-1.10.4.custom.js

699 ms

common.js

common.js

571 ms

getseal

getseal

11 ms

conversion.js

conversion.js

86 ms

default.css

default.css

397 ms

layout.css

layout.css

527 ms

content.css

content.css

525 ms

module.css

module.css

570 ms

jquery-ui-1.10.4.custom.min.css

jquery-ui-1.10.4.custom.min.css

586 ms

style_sn.css

style_sn.css

587 ms

body_bg.png

body_bg.png

203 ms

header_bg.jpg

header_bg.jpg

960 ms

header_logo.png

header_logo.png

191 ms

header_image_03.png

header_image_03.png

199 ms

header_image_01.png

header_image_01.png

578 ms

header_image_02.png

header_image_02.png

190 ms

header_tel.png

header_tel.png

363 ms

nav_home.png

nav_home.png

361 ms

nav_epson.png

nav_epson.png

392 ms

nav_print.png

nav_print.png

379 ms

nav_taping.png

nav_taping.png

534 ms

nav_guide.png

nav_guide.png

537 ms

nav_news.png

nav_news.png

553 ms

nav_inquiry.png

nav_inquiry.png

583 ms

search_bg.png

search_bg.png

708 ms

search_title.png

search_title.png

714 ms

search_icon.png

search_icon.png

729 ms

btn_search.png

btn_search.png

767 ms

btn_order.png

btn_order.png

963 ms

banner_epson.gif

banner_epson.gif

1055 ms

banner_account.gif

banner_account.gif

1063 ms

banner_raspberry.gif

banner_raspberry.gif

904 ms

1662680673.jpg

1662680673.jpg

1338 ms

1664173857.jpg

1664173857.jpg

1428 ms

icon_01.png

icon_01.png

1149 ms

1662680975.jpg

1662680975.jpg

1535 ms

1431320863.jpg

1431320863.jpg

1752 ms

1498801239.jpg

1498801239.jpg

1940 ms

1422581913.png

1422581913.png

1535 ms

1422590686.png

1422590686.png

1908 ms

about_title.png

about_title.png

1602 ms

news_title.png

news_title.png

1726 ms

btn_backnumber.png

btn_backnumber.png

1726 ms

side_maker.png

side_maker.png

1776 ms

side_regist.png

side_regist.png

1917 ms

side_members_bg.png

side_members_bg.png

1885 ms

analytics.js

analytics.js

24 ms

49 ms

collect

collect

12 ms

js

js

77 ms

36 ms

side_login.png

side_login.png

1738 ms

side_login_btn.png

side_login_btn.png

1762 ms

side_login_icon.png

side_login_icon.png

1903 ms

side_members.png

side_members.png

1909 ms

side_members_btn_01.png

side_members_btn_01.png

1750 ms

side_members_btn_02.png

side_members_btn_02.png

1739 ms

side_members_btn_04.png

side_members_btn_04.png

1738 ms

side_members_btn_03.png

side_members_btn_03.png

1734 ms

side_calendar_bg_01.png

side_calendar_bg_01.png

1757 ms

side_calendar.png

side_calendar.png

1739 ms

side_calendar_bg_02.png

side_calendar_bg_02.png

1747 ms

footer_pagetop.png

footer_pagetop.png

1724 ms

footer_logo.png

footer_logo.png

1709 ms

footer_bg.png

footer_bg.png

1593 ms

nav_home_on.png

nav_home_on.png

1735 ms

search_text.png

search_text.png

1752 ms

Accessibility Review

semiconbox.com accessibility score

84

Accessibility Issues

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.

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

Form elements do not have associated labels

Best Practices

semiconbox.com 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

semiconbox.com SEO score

69

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

Links do not have descriptive text

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 Semiconbox.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 Semiconbox.com 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

semiconbox.com

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