Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    29% of websites

  • 62

    SEO

    Google-friendlier than
    32% of websites

premium-dining.jp

全国有名レストランのお得な予約サイト [PremiumDining プレミアムダイニング]

Page Load Speed

8.6 sec in total

First Response

921 ms

Resources Loaded

7.5 sec

Page Rendered

185 ms

premium-dining.jp screenshot

About Website

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

有名レストランやホテルレストランのお得なプランの予約申込みやクーポンが取得できるグルメサイト。エリアやジャンルでカンタン検索。有名シェフの紹介や一流レストランのシェフが教えるかんたん料理レシピも掲載。

Visit premium-dining.jp

Key Findings

We analyzed Premium-dining.jp page load time and found that the first response time was 921 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

premium-dining.jp performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

premium-dining.jp

921 ms

659 ms

jquery-ui.min.css

619 ms

common.css

681 ms

search.css

533 ms

Our browser made a total of 139 requests to load all elements on the main page. We found that all of those requests were addressed to Premium-dining.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Premium-dining.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 669.8 kB (47%)

Content Size

1.4 MB

After Optimization

744.1 kB

In fact, the total size of Premium-dining.jp main page is 1.4 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. 35% of websites need less resources to load. Images take 634.4 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 281.6 kB

  • Original 312.7 kB
  • After minification 227.0 kB
  • After compression 31.0 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 85.6 kB, which is 27% 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 281.6 kB or 90% of the original size.

Image Optimization

-7%

Potential reduce by 42.5 kB

  • Original 634.4 kB
  • After minification 591.9 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. Premium Dining images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 251.3 kB

  • Original 354.3 kB
  • After minification 351.1 kB
  • After compression 103.0 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 251.3 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 94.4 kB

  • Original 112.5 kB
  • After minification 93.8 kB
  • After compression 18.1 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. Premium-dining.jp needs all CSS files to be minified and compressed as it can save up to 94.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (30%)

Requests Now

137

After Optimization

96

The browser has sent 137 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Premium Dining. 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 from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

premium-dining.jp accessibility score

72

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Best Practices

premium-dining.jp best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

premium-dining.jp SEO score

62

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

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

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 Premium-dining.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 Premium-dining.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

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