Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

gazo-dosokai.jp

千葉大学画像工学同窓会

Page Load Speed

3.2 sec in total

First Response

742 ms

Resources Loaded

2.4 sec

Page Rendered

124 ms

gazo-dosokai.jp screenshot

About Website

Visit gazo-dosokai.jp now to see the best up-to-date Gazo Dosokai content and also check out these interesting facts you probably never knew about gazo-dosokai.jp

千葉大学画像工学同窓会 | 千葉大学画像工学同窓会のホームページです。

Visit gazo-dosokai.jp

Key Findings

We analyzed Gazo-dosokai.jp page load time and found that the first response time was 742 ms and then it took 2.5 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

gazo-dosokai.jp performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value17.3 s

0/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.096

90/100

15%

TTI (Time to Interactive)

Value22.4 s

1/100

10%

Network Requests Diagram

gazo-dosokai.jp

742 ms

home.css

346 ms

AC_RunActiveContent.js

348 ms

preload.js

357 ms

urchin.js

5 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 95% of them (39 requests) were addressed to the original Gazo-dosokai.jp, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Gazo-dosokai.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.1 kB (54%)

Content Size

24.5 kB

After Optimization

11.4 kB

In fact, the total size of Gazo-dosokai.jp main page is 24.5 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. Javascripts take 11.6 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 6.1 kB

  • Original 8.9 kB
  • After minification 8.8 kB
  • After compression 2.8 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 6.1 kB or 68% of the original size.

JavaScript Optimization

-36%

Potential reduce by 4.2 kB

  • Original 11.6 kB
  • After minification 10.5 kB
  • After compression 7.4 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 4.2 kB or 36% of the original size.

CSS Optimization

-71%

Potential reduce by 2.8 kB

  • Original 4.0 kB
  • After minification 3.1 kB
  • After compression 1.2 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. Gazo-dosokai.jp needs all CSS files to be minified and compressed as it can save up to 2.8 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (20%)

Requests Now

40

After Optimization

32

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gazo Dosokai. 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

gazo-dosokai.jp accessibility score

72

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

gazo-dosokai.jp best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

gazo-dosokai.jp SEO score

84

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

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gazo-dosokai.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 Gazo-dosokai.jp main page’s claimed encoding is shift_jis. 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 Gazo Dosokai. 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: