Tools & Wizards About Us
diet-cafe.jp screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

diet-cafe.jp

ダイエットカフェ - 日本最大級のダイエット商品口コミサイト

Page Load Speed

5.9 sec in total

First Response

565 ms

Resources Loaded

4.9 sec

Page Rendered

353 ms

diet-cafe.jp screenshot

About Website

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

ダイエットカフェなら『ダイエット商品（食品・情報・器具等）体験者の本音の口コミ』が聞ける！悪徳ダイエット商品に騙されないためにも、まずはダイエットカフェを覗いてみよう。

Visit diet-cafe.jp

Key Findings

We analyzed Diet-cafe.jp page load time and found that the first response time was 565 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

diet-cafe.jp performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.411

24/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

diet-cafe.jp

565 ms

www.diet-cafe.jp

1408 ms

9yr01r1evm

62 ms

font-awesome.css

37 ms

pc.css

1301 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 71% of them (34 requests) were addressed to the original Diet-cafe.jp, 6% (3 requests) were made to Google-analytics.com and 4% (2 requests) were made to Clarity.ms. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Diet-cafe.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 134.3 kB (16%)

Content Size

827.2 kB

After Optimization

692.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Diet-cafe.jp main page is 827.2 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. 25% of websites need less resources to load. Images take 530.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 32.5 kB

  • Original 39.2 kB
  • After minification 33.0 kB
  • After compression 6.7 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. This page needs HTML code to be minified as it can gain 6.3 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 32.5 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 21.6 kB

  • Original 530.3 kB
  • After minification 508.8 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. Diet Cafe images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 80.2 kB

  • Original 142.3 kB
  • After minification 142.3 kB
  • After compression 62.1 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 80.2 kB or 56% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 115.3 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.

Requests Breakdown

Number of requests can be reduced by 12 (27%)

Requests Now

44

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diet Cafe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

diet-cafe.jp

diet-cafe.jp

565 ms

www.diet-cafe.jp

www.diet-cafe.jp

1408 ms

9yr01r1evm

9yr01r1evm

62 ms

font-awesome.css

font-awesome.css

37 ms

pc.css

pc.css

1301 ms

script.js

script.js

1314 ms

js

js

74 ms

analytics.js

analytics.js

30 ms

clarity.js

clarity.js

7 ms

common.css

common.css

227 ms

logo1.gif

logo1.gif

210 ms

search.gif

search.gif

208 ms

btn_ranking.gif

btn_ranking.gif

209 ms

main.jpg

main.jpg

1540 ms

icon.gif

icon.gif

391 ms

bn_real.gif

bn_real.gif

579 ms

pc_category.gif

pc_category.gif

569 ms

pc_medical_cat.gif

pc_medical_cat.gif

577 ms

pc_drink_cat.gif

pc_drink_cat.gif

577 ms

pc_food_cat.gif

pc_food_cat.gif

577 ms

pc_goods_cat.gif

pc_goods_cat.gif

751 ms

pc_clothes_cat.gif

pc_clothes_cat.gif

763 ms

pc_others_cat.gif

pc_others_cat.gif

763 ms

pc_kinou_cat.gif

pc_kinou_cat.gif

763 ms

pc_tokuho_cat.gif

pc_tokuho_cat.gif

767 ms

1_first.png

1_first.png

932 ms

list_suzuki_tomohiro.png

list_suzuki_tomohiro.png

1319 ms

list_hayami_naomi.png

list_hayami_naomi.png

1691 ms

bn_lp.gif

bn_lp.gif

949 ms

5_voice.png

5_voice.png

954 ms

pc_top_f1.jpg

pc_top_f1.jpg

1114 ms

hw-form-h2.jpg

hw-form-h2.jpg

1135 ms

pc_top_fbtn.jpg

pc_top_fbtn.jpg

1142 ms

pc_top_f2.jpg

pc_top_f2.jpg

1296 ms

btn_top.gif

btn_top.gif

1323 ms

logo2.gif

logo2.gif

1330 ms

foot_arrow.gif

foot_arrow.gif

1479 ms

btn_contact_foot.gif

btn_contact_foot.gif

1504 ms

collect

collect

67 ms

collect

collect

71 ms

UserCntSet.php

UserCntSet.php

1597 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

19 ms

collect

collect

38 ms

js

js

49 ms

collect

collect

28 ms

ga-audiences

ga-audiences

76 ms

ga-audiences

ga-audiences

412 ms

c.gif

c.gif

7 ms

Accessibility Review

diet-cafe.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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

diet-cafe.jp best practices score

83

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

SEO Factors

diet-cafe.jp SEO score

90

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diet-cafe.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Diet-cafe.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

diet-cafe.jp

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