Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

vision-megane.co.jp

ビジョンメガネ公式サイト|眼鏡(めがね)・補聴器取扱い

Page Load Speed

21.5 sec in total

First Response

362 ms

Resources Loaded

20.1 sec

Page Rendered

991 ms

vision-megane.co.jp screenshot

About Website

Welcome to vision-megane.co.jp homepage info - get ready to check Vision Megane best content for Japan right away, or after learning these important things about vision-megane.co.jp

メガネを通じてお一人おひとりに最適な「みえる・きこえる」を。ビジョンメガネは眼鏡業界初!国内大手損害保険会社がバックアップする眼鏡保険導入やメガネ分解洗浄など、充実した保証とアフターサービスで安心のメガネライフをお届けします。

Visit vision-megane.co.jp

Key Findings

We analyzed Vision-megane.co.jp page load time and found that the first response time was 362 ms and then it took 21.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

vision-megane.co.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value51.8 s

0/100

25%

SI (Speed Index)

Value26.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.184

66/100

15%

TTI (Time to Interactive)

Value53.7 s

0/100

10%

Network Requests Diagram

vision-megane.co.jp

362 ms

www.vision-megane.co.jp

361 ms

www.vision-megane.co.jp

1019 ms

notosansjapanese.css

40 ms

ress.min.css

718 ms

Our browser made a total of 192 requests to load all elements on the main page. We found that 79% of them (152 requests) were addressed to the original Vision-megane.co.jp, 7% (14 requests) were made to Fonts.gstatic.com and 4% (8 requests) were made to Cdn-au.onetrust.com. The less responsive or slowest element that took the longest time to load (5.1 sec) belongs to the original domain Vision-megane.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (23%)

Content Size

7.4 MB

After Optimization

5.7 MB

In fact, the total size of Vision-megane.co.jp main page is 7.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 186.1 kB

  • Original 221.8 kB
  • After minification 202.6 kB
  • After compression 35.7 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. 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 186.1 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 206.7 kB

  • Original 5.5 MB
  • After minification 5.3 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. Vision Megane images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 274.3 kB

  • Original 461.2 kB
  • After minification 425.6 kB
  • After compression 186.9 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 274.3 kB or 59% of the original size.

CSS Optimization

-87%

Potential reduce by 1.1 MB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 152.4 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. Vision-megane.co.jp needs all CSS files to be minified and compressed as it can save up to 1.1 MB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 61 (37%)

Requests Now

167

After Optimization

106

The browser has sent 167 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vision Megane. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vision-megane.co.jp accessibility score

75

Accessibility Issues

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

High

<object> elements do not have alternate text

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

vision-megane.co.jp 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vision-megane.co.jp SEO score

82

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

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 uses legible font sizes

High

Tap targets are not sized appropriately

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 Vision-megane.co.jp 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 Vision-megane.co.jp 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

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