Tools & Wizards About Us
shikakude.com screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

shikakude.com

資格の王道

Page Load Speed

22.8 sec in total

First Response

524 ms

Resources Loaded

21.8 sec

Page Rendered

438 ms

shikakude.com screenshot

About Website

Visit shikakude.com now to see the best up-to-date Shikakude content for Japan and also check out these interesting facts you probably never knew about shikakude.com

日本で取得できる資格の概要をほとんど網羅。国家資格、公的資格、民間資格の資格の種類や、独立できる資格、情報処理の資格、福祉系の資格、地球を守る資格など資格の分野で取りたい資格をすぐに見つけられます。資格難易度も掲載。資格をとってライバルたちに差をつけよう！！掲載資格861種類！

Visit shikakude.com

Key Findings

We analyzed Shikakude.com page load time and found that the first response time was 524 ms and then it took 22.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

shikakude.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value730 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.16

73/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

shikakude.com

524 ms

shikakude.com

728 ms

js

76 ms

styleindex.css

177 ms

adsbygoogle.js

148 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 63% of them (53 requests) were addressed to the original Shikakude.com, 10% (8 requests) were made to Googleads.g.doubleclick.net and 7% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Accesstrade.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 197.0 kB (29%)

Content Size

684.6 kB

After Optimization

487.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shikakude.com main page is 684.6 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. 50% of websites need less resources to load. Javascripts take 535.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 44.6 kB

  • Original 57.7 kB
  • After minification 53.7 kB
  • After compression 13.2 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 44.6 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 1.7 kB

  • Original 89.4 kB
  • After minification 87.7 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. Shikakude images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 150.5 kB

  • Original 535.6 kB
  • After minification 535.6 kB
  • After compression 385.0 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 150.5 kB or 28% of the original size.

CSS Optimization

-15%

Potential reduce by 293 B

  • Original 1.9 kB
  • After minification 1.9 kB
  • After compression 1.7 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. Shikakude.com needs all CSS files to be minified and compressed as it can save up to 293 B or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (63%)

Requests Now

79

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shikakude. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

shikakude.com

shikakude.com

524 ms

shikakude.com

shikakude.com

728 ms

js

js

76 ms

styleindex.css

styleindex.css

177 ms

adsbygoogle.js

adsbygoogle.js

148 ms

bookmark_button.js

bookmark_button.js

33 ms

analytics.js

analytics.js

133 ms

count.cgi

count.cgi

1307 ms

button-only@2x.png

button-only@2x.png

118 ms

r.html

r.html

20370 ms

back.png

back.png

176 ms

title.png

title.png

363 ms

search_icon2.gif

search_icon2.gif

495 ms

topics.png

topics.png

538 ms

new2.gif

new2.gif

540 ms

z41.png

z41.png

542 ms

check1.png

check1.png

565 ms

kokka_16.gif

kokka_16.gif

566 ms

kouteki_16.gif

kouteki_16.gif

657 ms

minkan_16.gif

minkan_16.gif

764 ms

do.gif

do.gif

764 ms

jo.png

jo.png

764 ms

pencil2.gif

pencil2.gif

766 ms

un.gif

un.gif

765 ms

ko.gif

ko.gif

851 ms

fu.png

fu.png

1027 ms

ka.gif

ka.gif

1026 ms

co.gif

co.gif

1026 ms

ch.gif

ch.gif

1028 ms

kok.png

kok.png

1026 ms

ga.gif

ga.gif

1034 ms

ju.gif

ju.gif

1113 ms

sh.gif

sh.gif

1118 ms

mu.gif

mu.gif

1117 ms

kaw.gif

kaw.gif

1161 ms

star5.png

star5.png

1161 ms

star4.png

star4.png

1281 ms

star3.png

star3.png

1286 ms

star2.png

star2.png

1331 ms

star1.png

star1.png

1291 ms

dok.png

dok.png

1316 ms

gyo.gif

gyo.gif

1316 ms

maru_16.gif

maru_16.gif

1356 ms

pickup.png

pickup.png

1490 ms

allow4.gif

allow4.gif

1492 ms

chumoku10.gif

chumoku10.gif

1503 ms

show_ads_impl.js

show_ads_impl.js

245 ms

collect

collect

13 ms

schedule2.png

schedule2.png

1332 ms

zrt_lookup.html

zrt_lookup.html

35 ms

ads

ads

504 ms

ads

ads

286 ms

news2.png

news2.png

1147 ms

ads

ads

290 ms

null_image.gif

null_image.gif

770 ms

school2.png

school2.png

1026 ms

recruit2.png

recruit2.png

1095 ms

resume2.png

resume2.png

1110 ms

bbs2.png

bbs2.png

1152 ms

questionnaire2.png

questionnaire2.png

1129 ms

mail2.png

mail2.png

1119 ms

about2.png

about2.png

1027 ms

ca-pub-9120203424136558

ca-pub-9120203424136558

135 ms

benefit3.png

benefit3.png

1044 ms

kyusyokushien1.png

kyusyokushien1.png

1062 ms

syokukun.png

syokukun.png

1082 ms

google.png

google.png

1096 ms

14763004658117789537

14763004658117789537

179 ms

load_preloaded_resource.js

load_preloaded_resource.js

44 ms

abg_lite.js

abg_lite.js

44 ms

window_focus.js

window_focus.js

41 ms

qs_click_protection.js

qs_click_protection.js

48 ms

ufs_web_display.js

ufs_web_display.js

35 ms

bbcd6bf18c20baa1b2adeb195de9b551.js

bbcd6bf18c20baa1b2adeb195de9b551.js

151 ms

icon.png

icon.png

173 ms

14763004658117789537

14763004658117789537

41 ms

ads

ads

406 ms

ads

ads

226 ms

ads

ads

236 ms

css

css

62 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

35 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

36 ms

activeview

activeview

132 ms

FAz5UgRug7M8YaGFfFWxr9vetrg5Yv9xXEx-zc6kZAs.js

FAz5UgRug7M8YaGFfFWxr9vetrg5Yv9xXEx-zc6kZAs.js

13 ms

Accessibility Review

shikakude.com accessibility score

80

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

shikakude.com 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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

shikakude.com 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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shikakude.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 Shikakude.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

shikakude.com

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