Access gnavi.co.jp. ぐるなび - レストラン・宴会予約グルメ情報サイト

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value20.9 s

0/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value10,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value42.9 s

0/100

10%

gnavi.co.jp

350 ms

www.gnavi.co.jp

350 ms

www.gnavi.co.jp

1352 ms

optimize.js

114 ms

ga_meta_sc_page-1.0.0.js

893 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 11% of them (14 requests) were addressed to the original Gnavi.co.jp, 25% (31 requests) were made to D1o79rcslrm1j.cloudfront.net and 21% (26 requests) were made to Rimage.gnst.jp. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Questant.jp.

Content Size

3.2 MB

After Optimization

1.7 MB

In fact, the total size of Gnavi.co.jp main page is 3.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 133.7 kB

Original 153.5 kB
After minification 129.4 kB
After compression 19.7 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 24.1 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 133.7 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 306 B

Original 942.3 kB
After minification 942.0 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. Gnavi images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 855.9 kB

Original 1.5 MB
After minification 1.4 MB
After compression 681.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 855.9 kB or 56% of the original size.

CSS Optimization

-83%

Potential reduce by 448.3 kB

Original 538.9 kB
After minification 444.9 kB
After compression 90.6 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. Gnavi.co.jp needs all CSS files to be minified and compressed as it can save up to 448.3 kB or 83% of the original size.

Requests Now

111

After Optimization

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gnavi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

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.

High

Buttons do not have an accessible name

High

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

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Gnavi.co.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 Gnavi.co.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

gnavi.co.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

ぐるなび - レストラン・宴会予約 グルメ情報サイト

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

gnavi.co.jp

www.gnavi.co.jp

www.gnavi.co.jp

optimize.js

ga_meta_sc_page-1.0.0.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

gnavi.co.jp

www.gnavi.co.jp

www.gnavi.co.jp

optimize.js

ga_meta_sc_page-1.0.0.js

gpt.js

app.css

gtm_nt.js

logo.svg

yakuhanjp.min.css

gtm.js

icon_reserv.svg

icon_login.svg

swipe_arrow._mv.svg

icon_area.svg

icon_menu.svg

icon_date.svg

icon_time.svg

icon_number.svg

gtm.js

rat-ext.js

swipe_arrow.svg

pubads_impl.js

icon_coin_pc.svg

icon_rakuten.svg

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

ytag.js

fbevents.js

app_smp.png

e.js

ga_measure.js

app.bundle.js

ads

container.html

e.js

analytics.js

ral-1.8.11.js

ral-iframe-rakuten.co.jp.html

collect

collect

ga-audiences

4345356298177198340

window_focus.js

ぐるなび - レストラン・宴会予約グルメ情報サイト