Tools & Wizards About Us
okawaglass.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

okawaglass.com

[ 大川硝子工業所 ] 1916年創業 東京すみだにてガラスびんの企画・販売

Page Load Speed

5.5 sec in total

First Response

545 ms

Resources Loaded

3.9 sec

Page Rendered

1.1 sec

okawaglass.com screenshot

About Website

Click here to check amazing Okawaglass content for Japan. Otherwise, check out these important facts you probably never knew about okawaglass.com

オリジナル製品の新規製造、一般品への印刷、着色、加工。キャップやパッキンなどの付属品、外装や化粧箱などのパッケージ関係も多数取り扱っております。ぜひご相談ください。

Visit okawaglass.com

Key Findings

We analyzed Okawaglass.com page load time and found that the first response time was 545 ms and then it took 4.9 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

okawaglass.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value25.1 s

0/100

10%

Network Requests Diagram

okawaglass.com

545 ms

okawaglass.com

748 ms

sanitize.css

187 ms

jquery.h5form-2.13.1.css

370 ms

style.css

556 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 68% of them (28 requests) were addressed to the original Okawaglass.com, 10% (4 requests) were made to Maps.googleapis.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Okawaglass.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 421.8 kB (6%)

Content Size

6.9 MB

After Optimization

6.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Okawaglass.com main page is 6.9 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. 25% of websites need less resources to load. Images take 6.7 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 17.4 kB

  • Original 24.0 kB
  • After minification 18.8 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 5.3 kB, which is 22% 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 17.4 kB or 72% of the original size.

Image Optimization

-6%

Potential reduce by 368.6 kB

  • Original 6.7 MB
  • After minification 6.3 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. Okawaglass images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 33.4 kB

  • Original 175.7 kB
  • After minification 175.7 kB
  • After compression 142.3 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 33.4 kB or 19% of the original size.

CSS Optimization

-24%

Potential reduce by 2.4 kB

  • Original 9.9 kB
  • After minification 9.9 kB
  • After compression 7.6 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. Okawaglass.com needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (37%)

Requests Now

38

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Okawaglass. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

okawaglass.com

okawaglass.com

545 ms

okawaglass.com

okawaglass.com

748 ms

sanitize.css

sanitize.css

187 ms

jquery.h5form-2.13.1.css

jquery.h5form-2.13.1.css

370 ms

style.css

style.css

556 ms

style-02.css

style-02.css

674 ms

jhu6xya.js

jhu6xya.js

98 ms

jquery.min.js

jquery.min.js

33 ms

instafeed.min.js

instafeed.min.js

704 ms

jquery.h5form-2.13.1.min.js

jquery.h5form-2.13.1.min.js

705 ms

common.js

common.js

707 ms

jquery.mb.YTPlayer.min.js

jquery.mb.YTPlayer.min.js

39 ms

analytics.js

analytics.js

113 ms

p.gif

p.gif

145 ms

embed

embed

259 ms

ok_logotype.png

ok_logotype.png

203 ms

menu.png

menu.png

182 ms

ok_symbol_orange.png

ok_symbol_orange.png

267 ms

top_bg_c3.jpg

top_bg_c3.jpg

1467 ms

top_bg_c2.JPG

top_bg_c2.JPG

1580 ms

top_bg_c4.jpg

top_bg_c4.jpg

1641 ms

top_bg_c5.jpg

top_bg_c5.jpg

1348 ms

works01.png

works01.png

1087 ms

works02.png

works02.png

949 ms

works03.png

works03.png

1308 ms

works04.png

works04.png

1452 ms

works05.png

works05.png

1529 ms

yomimono2-1_main.jpg

yomimono2-1_main.jpg

1544 ms

stories01.png

stories01.png

1820 ms

okawaimg.jpg

okawaimg.jpg

1839 ms

ok_symbol.png

ok_symbol.png

1713 ms

tel.png

tel.png

1721 ms

footer_bg.png

footer_bg.png

1764 ms

ok_logo.png

ok_logo.png

1820 ms

recent

recent

207 ms

collect

collect

14 ms

js

js

62 ms

js

js

29 ms

search.js

search.js

4 ms

geometry.js

geometry.js

7 ms

main.js

main.js

11 ms

Accessibility Review

okawaglass.com accessibility score

52

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

okawaglass.com best practices score

67

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

High

Page has valid source maps

SEO Factors

okawaglass.com SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

High

robots.txt is not valid

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Okawaglass.com 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 Okawaglass.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

okawaglass.com

Open Graph data is detected on the main page of Okawaglass. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: