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isvf.org screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

isvf.org

ようこそ石川県ソフトバレーボール連盟公式サイトへ

Page Load Speed

3 sec in total

First Response

963 ms

Resources Loaded

1.8 sec

Page Rendered

171 ms

isvf.org screenshot

About Website

Click here to check amazing Isvf content. Otherwise, check out these important facts you probably never knew about isvf.org

このページに関する簡単な説明。

Visit isvf.org

Key Findings

We analyzed Isvf.org page load time and found that the first response time was 963 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

isvf.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

isvf.org

963 ms

box_style.css

335 ms

isvf_mark.jpg

682 ms

Title-a.jpg

878 ms

858 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 83% of them (5 requests) were addressed to the original Isvf.org, 17% (1 request) were made to F-counter.jp. The less responsive or slowest element that took the longest time to load (963 ms) belongs to the original domain Isvf.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.3 kB (34%)

Content Size

198.7 kB

After Optimization

130.4 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Isvf.org main page is 198.7 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. Only 5% of websites need less resources to load. Images take 124.4 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 55.7 kB

  • Original 64.0 kB
  • After minification 42.8 kB
  • After compression 8.3 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 21.2 kB, which is 33% 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 55.7 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 3.4 kB

  • Original 124.4 kB
  • After minification 120.9 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. Isvf images are well optimized though.

CSS Optimization

-89%

Potential reduce by 9.1 kB

  • Original 10.3 kB
  • After minification 4.0 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. Isvf.org needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 89% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isvf. According to our analytics all requests are already optimized.

Network Requests Diagram

isvf.org

isvf.org

963 ms

box_style.css

box_style.css

335 ms

isvf_mark.jpg

isvf_mark.jpg

682 ms

Title-a.jpg

Title-a.jpg

878 ms

858 ms

menu_line.gif

menu_line.gif

178 ms

Accessibility Review

isvf.org accessibility score

65

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

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.

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

Links do not have a discernible name

Best Practices

isvf.org best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

isvf.org SEO score

75

Search Engine Optimization Advices

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 Isvf.org 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 Isvf.org 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

isvf.org

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