Tools & Wizards About Us
sumida.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

sumida.com

SUMIDA CORPORATION

Page Load Speed

3.7 sec in total

First Response

471 ms

Resources Loaded

3 sec

Page Rendered

275 ms

sumida.com screenshot

About Website

Visit sumida.com now to see the best up-to-date SUMIDA content for India and also check out these interesting facts you probably never knew about sumida.com

Welcome to SUMIDA CORPORATION, a leading global manufacturer of inductive components and modules such as Power Inductors, Power Transformers, EMC Coils, Sensors, Actuators, Automotive Modules, Power M...

Visit sumida.com

Key Findings

We analyzed Sumida.com page load time and found that the first response time was 471 ms and then it took 3.2 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

sumida.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value760 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

sumida.com

471 ms

www.sumida.com

670 ms

style.css

443 ms

typography.css

460 ms

jquery-1.8.3.min.js

6 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 48% of them (20 requests) were addressed to the original Sumida.com, 19% (8 requests) were made to Google.com and 7% (3 requests) were made to Fast.fonts.net. The less responsive or slowest element that took the longest time to load (881 ms) belongs to the original domain Sumida.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 273.9 kB (15%)

Content Size

1.8 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sumida.com main page is 1.8 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. 40% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 23.2 kB

  • Original 29.9 kB
  • After minification 24.2 kB
  • After compression 6.7 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 5.7 kB, which is 19% 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 23.2 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 88.6 kB

  • Original 1.5 MB
  • After minification 1.4 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. SUMIDA images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 90.6 kB

  • Original 186.7 kB
  • After minification 145.4 kB
  • After compression 96.1 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 90.6 kB or 49% of the original size.

CSS Optimization

-85%

Potential reduce by 71.5 kB

  • Original 84.0 kB
  • After minification 64.0 kB
  • After compression 12.5 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. Sumida.com needs all CSS files to be minified and compressed as it can save up to 71.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (47%)

Requests Now

34

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SUMIDA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sumida.com

sumida.com

471 ms

www.sumida.com

www.sumida.com

670 ms

style.css

style.css

443 ms

typography.css

typography.css

460 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

6 ms

color.js

color.js

437 ms

2ce0f575-89b5-4419-8603-18b9f45de650.js

2ce0f575-89b5-4419-8603-18b9f45de650.js

60 ms

jquery.flexslider.js

jquery.flexslider.js

438 ms

css

css

67 ms

flexslider.css

flexslider.css

447 ms

flexslider-kasia.css

flexslider-kasia.css

645 ms

mti.js

mti.js

27 ms

gtm.js

gtm.js

49 ms

logo.jpg

logo.jpg

437 ms

133.timeline_e.jpg

133.timeline_e.jpg

439 ms

136.coiltech_(1440x933).jpg

136.coiltech_(1440x933).jpg

453 ms

143.ourproducts_1243_(1440x961).jpg

143.ourproducts_1243_(1440x961).jpg

470 ms

icon-linkedin.jpg

icon-linkedin.jpg

438 ms

icon-youtube.jpg

icon-youtube.jpg

458 ms

icon-google.jpg

icon-google.jpg

870 ms

rss-icon.png

rss-icon.png

881 ms

cse.js

cse.js

21 ms

droidsans-webfont.woff

droidsans-webfont.woff

862 ms

cse.js

cse.js

142 ms

gnetwork.png

gnetwork.png

855 ms

droidsans-bold-webfont.woff

droidsans-bold-webfont.woff

865 ms

analytics.js

analytics.js

6 ms

collect

collect

12 ms

collect

collect

61 ms

jsapi

jsapi

28 ms

default+en.css

default+en.css

2 ms

default.css

default.css

44 ms

default+en.I.js

default+en.I.js

13 ms

default.css

default.css

35 ms

async-ads.js

async-ads.js

35 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

31 ms

small-logo.png

small-logo.png

26 ms

search_box_icon.png

search_box_icon.png

14 ms

05c1983d-21f7-4fa3-bdae-017da0302148.woff

05c1983d-21f7-4fa3-bdae-017da0302148.woff

135 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

24 ms

EInbV5DfGHOiMmvb1Xr-honF5uFdDttMLvmWuJdhhgs.ttf

EInbV5DfGHOiMmvb1Xr-honF5uFdDttMLvmWuJdhhgs.ttf

29 ms

flexslider-icon.woff

flexslider-icon.woff

438 ms

Accessibility Review

sumida.com accessibility score

87

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

sumida.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

sumida.com SEO score

81

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sumida.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sumida.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

sumida.com

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