Tools & Wizards About Us
html5experts.jp screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

html5experts.jp

HTML5Experts.jp

Page Load Speed

1 sec in total

First Response

21 ms

Resources Loaded

436 ms

Page Rendered

577 ms

html5experts.jp screenshot

About Website

Visit html5experts.jp now to see the best up-to-date HTML5Experts content for Japan and also check out these interesting facts you probably never knew about html5experts.jp

日本に、もっとエキスパートを。「すべての記事が永久保存版」を目指すWeb技術情報メディア『HTML5 Experts.jp』

Visit html5experts.jp

Key Findings

We analyzed Html5experts.jp page load time and found that the first response time was 21 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

html5experts.jp performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

html5experts.jp

21 ms

html5experts.jp

40 ms

style.css

10 ms

flexslider.css

17 ms

css

31 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 78% of them (39 requests) were addressed to the original Html5experts.jp, 6% (3 requests) were made to Secure.gravatar.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (166 ms) relates to the external source Google-analytics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.5 kB (2%)

Content Size

2.4 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Html5experts.jp main page is 2.4 MB. 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. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 42.4 kB

  • Original 54.0 kB
  • After minification 51.7 kB
  • After compression 11.7 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 42.4 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 8.1 kB

  • Original 2.3 MB
  • After minification 2.3 MB

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. HTML5Experts images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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.

Requests Breakdown

Number of requests can be reduced by 9 (21%)

Requests Now

43

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HTML5Experts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

html5experts.jp

html5experts.jp

21 ms

html5experts.jp

html5experts.jp

40 ms

style.css

style.css

10 ms

flexslider.css

flexslider.css

17 ms

css

css

31 ms

widget.css

widget.css

15 ms

jquery.min.js

jquery.min.js

23 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

87 ms

common.js

common.js

21 ms

wp-embed.min.js

wp-embed.min.js

20 ms

analytics.js

analytics.js

166 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

151 ms

1fc0835c5d3f3a0ef77181def15f604c

1fc0835c5d3f3a0ef77181def15f604c

142 ms

145 ms

154 ms

web-2018-banner.png

web-2018-banner.png

53 ms

b61069269442a388babb47ff43f68135.jpg

b61069269442a388babb47ff43f68135.jpg

45 ms

fd1c9bd43f8b003016b4d951fc1117f6-66x66.jpg

fd1c9bd43f8b003016b4d951fc1117f6-66x66.jpg

45 ms

16f6782c8f0aad9016a00d52140cf61e-66x66.jpg

16f6782c8f0aad9016a00d52140cf61e-66x66.jpg

46 ms

53f12cdd0d3262c2fd79f18f5018384a-66x66.jpg

53f12cdd0d3262c2fd79f18f5018384a-66x66.jpg

46 ms

ad2639d4e8fe37c824ca117067e99beb-66x66.png

ad2639d4e8fe37c824ca117067e99beb-66x66.png

54 ms

e4531f7de668092637442e7ead34d47f-66x66.png

e4531f7de668092637442e7ead34d47f-66x66.png

53 ms

5a94eb8fbfe02baae8d647753a4bdf3d-66x66.jpg

5a94eb8fbfe02baae8d647753a4bdf3d-66x66.jpg

53 ms

logo-s.png

logo-s.png

55 ms

taxonomy_icon.png

taxonomy_icon.png

70 ms

icon.png

icon.png

77 ms

pwa.png

pwa.png

82 ms

DSC00519-03.jpg

DSC00519-03.jpg

102 ms

DSC00447.gif

DSC00447.gif

96 ms

pwa01.jpg

pwa01.jpg

100 ms

DSC00026-2.jpg

DSC00026-2.jpg

89 ms

main.jpeg

main.jpeg

81 ms

IMG_5426.jpg

IMG_5426.jpg

129 ms

42A5445.jpg

42A5445.jpg

110 ms

DSC06964.jpg

DSC06964.jpg

105 ms

42A4648.jpg

42A4648.jpg

110 ms

speakers.jpg

speakers.jpg

123 ms

DSC03088.jpg

DSC03088.jpg

120 ms

mandara.jpg

mandara.jpg

115 ms

e60c1a3a-95f1-a163-598e-e9214908c49e.png

e60c1a3a-95f1-a163-598e-e9214908c49e.png

129 ms

DSC05779.jpg

DSC05779.jpg

166 ms

footer_l.png

footer_l.png

126 ms

bnr-nttcomminucations.png

bnr-nttcomminucations.png

166 ms

200a98b2f259777114f894ad0dec7157

200a98b2f259777114f894ad0dec7157

49 ms

13fb4600e942b31c69cfeaf4768c36cc

13fb4600e942b31c69cfeaf4768c36cc

51 ms

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff0GmDuXMQQ.woff

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff0GmDuXMQQ.woff

55 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

71 ms

social_icons.woff

social_icons.woff

165 ms

collect

collect

24 ms

js

js

70 ms

Accessibility Review

html5experts.jp accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

Links do not have a discernible name

Best Practices

html5experts.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

html5experts.jp SEO score

67

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

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 Html5experts.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 Html5experts.jp 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

html5experts.jp

Open Graph data is detected on the main page of HTML5Experts. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: