Access heart-beat-nakano.com. 中野区商店街ナビ

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.417

23/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

www.heart-beat-nakano.com

1381 ms

jquery-1.8.3.js

1532 ms

common.css

978 ms

tb.css

522 ms

sp.css

701 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 88% of them (45 requests) were addressed to the original Heart-beat-nakano.com, 6% (3 requests) were made to Delight.ne.jp and 4% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Heart-beat-nakano.com.

Content Size

619.0 kB

After Optimization

272.4 kB

In fact, the total size of Heart-beat-nakano.com main page is 619.0 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. 20% of websites need less resources to load. Javascripts take 304.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 24.4 kB

Original 31.9 kB
After minification 26.5 kB
After compression 7.5 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 5.4 kB, which is 17% 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 24.4 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 6.0 kB

Original 191.0 kB
After minification 185.0 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. Heart Beat Nakano images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 240.3 kB

Original 304.5 kB
After minification 178.3 kB
After compression 64.2 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 240.3 kB or 79% of the original size.

CSS Optimization

-83%

Potential reduce by 75.9 kB

Original 91.6 kB
After minification 80.4 kB
After compression 15.7 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. Heart-beat-nakano.com needs all CSS files to be minified and compressed as it can save up to 75.9 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heart Beat Nakano. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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

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 Heart-beat-nakano.com 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 Heart-beat-nakano.com 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

heart-beat-nakano.com

Open Graph description is not detected on the main page of Heart Beat Nakano. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

中野区商店街ナビ

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

www.heart-beat-nakano.com

jquery-1.8.3.js

common.css

tb.css

sp.css

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

www.heart-beat-nakano.com

jquery-1.8.3.js

common.css

tb.css

sp.css

print.css

script.js

respond.min.js

breakpoints.js

rwd.js

jquery.rwdImageMaps.min.js

tab.js

in.js

in.js

path_extend.gif

f_line.gif

h_line.gif

h_bg.gif

h_logo.png

h_sns_fb.png

nav_mark.png

h_map_00_v2.jpg

search_illust1.gif

c_icon_012.gif

c_icon_021.gif

c_icon_03.gif

c_icon_04.gif

c_icon_05.gif

c_icon_06.gif

c_icon_07.gif

c_icon_08.gif

s_nav_bg.gif

search_line1.png

search_icon_no1.png

search_icon_no2.png

search_icon_no3.png

search_icon_no4.png

search_icon_no5.png

search_icon_no6.png

search_icon_no7.png

search_icon_no8.png

search_icon_no9.png

search_icon_no10.png