Tools & Wizards About Us
gdaj.jp screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

gdaj.jp

勝ち株ナビ〜株予想〜 | デイトレからスイングまで株価の予想を公開

Page Load Speed

4.8 sec in total

First Response

759 ms

Resources Loaded

3.8 sec

Page Rendered

240 ms

gdaj.jp screenshot

About Website

Welcome to gdaj.jp homepage info - get ready to check Gdaj best content for Japan right away, or after learning these important things about gdaj.jp

初心者の個人投資家からベテランの投資家まで、的確な投資情報を提供する勝ち株ナビ。

Visit gdaj.jp

Key Findings

We analyzed Gdaj.jp page load time and found that the first response time was 759 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

gdaj.jp performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value2,920 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

index.html

759 ms

css

36 ms

css-importer.css

775 ms

wn-pc-common.css

619 ms

jquery.js

778 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 79% of them (27 requests) were addressed to the original Gdaj.jp, 6% (2 requests) were made to Googletagmanager.com and 6% (2 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Gdaj.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.1 kB (31%)

Content Size

623.7 kB

After Optimization

429.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gdaj.jp main page is 623.7 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. 35% of websites need less resources to load. Images take 348.6 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 25.4 kB

  • Original 36.8 kB
  • After minification 35.3 kB
  • After compression 11.4 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 25.4 kB or 69% of the original size.

Image Optimization

-1%

Potential reduce by 2.3 kB

  • Original 348.6 kB
  • After minification 346.3 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. Gdaj images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 77.9 kB

  • Original 144.3 kB
  • After minification 137.1 kB
  • After compression 66.4 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 77.9 kB or 54% of the original size.

CSS Optimization

-94%

Potential reduce by 88.5 kB

  • Original 94.0 kB
  • After minification 24.2 kB
  • After compression 5.5 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. Gdaj.jp needs all CSS files to be minified and compressed as it can save up to 88.5 kB or 94% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (32%)

Requests Now

31

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gdaj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

index.html

index.html

759 ms

css

css

36 ms

css-importer.css

css-importer.css

775 ms

wn-pc-common.css

wn-pc-common.css

619 ms

jquery.js

jquery.js

778 ms

pack.js

pack.js

469 ms

gistfile1.js

gistfile1.js

469 ms

js

js

76 ms

firebase-app.js

firebase-app.js

26 ms

firebase-messaging.js

firebase-messaging.js

31 ms

svgxuse.min.js

svgxuse.min.js

467 ms

picturefill.min.js

picturefill.min.js

934 ms

current_page_add_class.js

current_page_add_class.js

933 ms

uh.js

uh.js

706 ms

q

q

14 ms

primary-regist_btn_off.png

primary-regist_btn_off.png

342 ms

per-ico.png

per-ico.png

295 ms

free-ribon.png

free-ribon.png

452 ms

secondary-regist.png

secondary-regist.png

465 ms

secondary-regist_btn_off.png

secondary-regist_btn_off.png

608 ms

banner_youtube.png

banner_youtube.png

610 ms

banner_column_uchida_back_number.jpg

banner_column_uchida_back_number.jpg

934 ms

banner_column_matsuo_back_number.jpg

banner_column_matsuo_back_number.jpg

963 ms

banner_yutai_matsuo_back_number.jpg

banner_yutai_matsuo_back_number.jpg

1071 ms

flow.gif

flow.gif

929 ms

gtm.js

gtm.js

71 ms

bg-header.jpg

bg-header.jpg

1061 ms

top.jpg

top.jpg

1539 ms

primary-regist_bg.png

primary-regist_bg.png

1382 ms

image04_1x.jpg

image04_1x.jpg

1540 ms

ti-recommendation_1x.jpg

ti-recommendation_1x.jpg

1573 ms

rate_bg.png

rate_bg.png

1530 ms

rate_ico.png

rate_ico.png

1523 ms

wnicon.ttf

wnicon.ttf

1784 ms

Accessibility Review

gdaj.jp accessibility score

79

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

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

gdaj.jp 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

gdaj.jp SEO score

92

Search Engine Optimization Advices

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

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 Gdaj.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 Gdaj.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

gdaj.jp

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