Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

ulcoat.co.jp

ULCOAT - アルバック成膜株式会社

Page Load Speed

3.1 sec in total

First Response

531 ms

Resources Loaded

2.4 sec

Page Rendered

192 ms

ulcoat.co.jp screenshot

About Website

Click here to check amazing ULCOAT content. Otherwise, check out these important facts you probably never knew about ulcoat.co.jp

アルバック成膜株式会社は、埼玉県秩父市で真空成膜技術を始めて30年、一貫して超低欠陥の成膜技術を追求し続けています。その成果がリソグラフィ工程の重要部材である半導体用マスクブランクス、及びディスプレイ用大板マスクブランクスです。

Visit ulcoat.co.jp

Key Findings

We analyzed Ulcoat.co.jp page load time and found that the first response time was 531 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

ulcoat.co.jp performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value6,060 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.322

36/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

ulcoat.co.jp

531 ms

top_style.css

336 ms

rollover.js

336 ms

bggd01.gif

172 ms

spacer.gif

182 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that all of those requests were addressed to Ulcoat.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Ulcoat.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.7 kB (29%)

Content Size

110.1 kB

After Optimization

78.5 kB

In fact, the total size of Ulcoat.co.jp main page is 110.1 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. 15% of websites need less resources to load. Images take 80.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 22.5 kB

  • Original 26.5 kB
  • After minification 19.4 kB
  • After compression 3.9 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 7.1 kB, which is 27% 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 22.5 kB or 85% of the original size.

Image Optimization

-9%

Potential reduce by 6.9 kB

  • Original 80.5 kB
  • After minification 73.6 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. ULCOAT images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 557 B

  • Original 1.0 kB
  • After minification 946 B
  • After compression 452 B

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 557 B or 55% of the original size.

CSS Optimization

-77%

Potential reduce by 1.7 kB

  • Original 2.2 kB
  • After minification 1.9 kB
  • After compression 512 B

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. Ulcoat.co.jp needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (35%)

Requests Now

48

After Optimization

31

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ULCOAT. 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.

Accessibility Review

ulcoat.co.jp accessibility score

89

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

Form elements do not have associated labels

Best Practices

ulcoat.co.jp best practices score

83

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

ulcoat.co.jp SEO score

91

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

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

    N/A

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ulcoat.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ulcoat.co.jp main page’s claimed encoding is euc-jp. 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

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