Tools & Wizards About Us

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

dv-au.com

大学の難易度・偏差値ランキング一覧＜2023版＞ | 当サイトは、日本全国の大学の難易度・偏差値ランキングを一覧表示することができる、国内でも数少ないサイトです。独自の機能として、偏差値や大学名、都道府県などをワンクリックで並び替えランキング表示が可能です。

Page Load Speed

8.4 sec in total

First Response

2.3 sec

Resources Loaded

5.8 sec

Page Rendered

325 ms

About Website

Click here to check amazing Dv Au content for Japan. Otherwise, check out these important facts you probably never knew about dv-au.com

都道府県ごとに大学偏差値を一覧で表示 都道府県ごとの大学偏差値ランキングを見たい場合は、都道府県別のランキングも作成しましたので、調べたい都道府県をクリックしてランキングを表示できるようにしました。 国公立や私立区分別の偏差値ランキング ス

Visit dv-au.com

Key Findings

We analyzed Dv-au.com page load time and found that the first response time was 2.3 sec and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

dv-au.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

www.dv-au.com

2336 ms

style.min.css

185 ms

mediaelementplayer-legacy.min.css

369 ms

wp-mediaelement.min.css

529 ms

style.css

883 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 44% of them (22 requests) were addressed to the original Dv-au.com, 20% (10 requests) were made to Googleads.g.doubleclick.net and 10% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Dv-au.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 287.4 kB (31%)

Content Size

934.0 kB

After Optimization

646.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dv-au.com main page is 934.0 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. 35% of websites need less resources to load. Javascripts take 475.2 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 250.7 kB

  • Original 282.5 kB
  • After minification 280.1 kB
  • After compression 31.9 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. 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 250.7 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 15 B

  • Original 64.7 kB
  • After minification 64.7 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. Dv Au images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 6.6 kB

  • Original 475.2 kB
  • After minification 474.9 kB
  • After compression 468.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-27%

Potential reduce by 30.1 kB

  • Original 111.5 kB
  • After minification 110.7 kB
  • After compression 81.5 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. Dv-au.com needs all CSS files to be minified and compressed as it can save up to 30.1 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (67%)

Requests Now

45

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dv Au. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dv-au.com accessibility score

98

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.

Best Practices

dv-au.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

dv-au.com SEO score

98

Search Engine Optimization Advices

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 Dv-au.com 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 Dv-au.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

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