Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 93

    SEO

    Google-friendlier than
    88% of websites

Page Load Speed

6.9 sec in total

First Response

1.3 sec

Resources Loaded

5 sec

Page Rendered

618 ms

clam.jugem.jp screenshot

About Website

Click here to check amazing Clam Jugem content for Japan. Otherwise, check out these important facts you probably never knew about clam.jugem.jp

Visit clam.jugem.jp

Key Findings

We analyzed Clam.jugem.jp page load time and found that the first response time was 1.3 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

clam.jugem.jp performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

clam.jugem.jp

1314 ms

jm_style.css

492 ms

cookie.js

332 ms

0215337

395 ms

056891600

543 ms

Our browser made a total of 172 requests to load all elements on the main page. We found that 2% of them (4 requests) were addressed to the original Clam.jugem.jp, 20% (34 requests) were made to Img-cdn.jg.jugem.jp and 13% (22 requests) were made to Picto0.jugem.jp. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source Img-cdn.jg.jugem.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 265.5 kB (16%)

Content Size

1.7 MB

After Optimization

1.4 MB

In fact, the total size of Clam.jugem.jp main page is 1.7 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. 55% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 77.2 kB

  • Original 95.9 kB
  • After minification 89.9 kB
  • After compression 18.7 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 77.2 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 82.6 kB

  • Original 1.4 MB
  • After minification 1.3 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. Clam Jugem images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 97.2 kB

  • Original 172.6 kB
  • After minification 165.4 kB
  • After compression 75.4 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 97.2 kB or 56% of the original size.

CSS Optimization

-76%

Potential reduce by 8.5 kB

  • Original 11.1 kB
  • After minification 9.3 kB
  • After compression 2.7 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. Clam.jugem.jp needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 91 (57%)

Requests Now

159

After Optimization

68

The browser has sent 159 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clam Jugem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

clam.jugem.jp accessibility score

58

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

<frame> or <iframe> elements do not have a title

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

clam.jugem.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

clam.jugem.jp SEO score

93

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Clam.jugem.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 Clam.jugem.jp main page’s claimed encoding is euc-jp. 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

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