Access usa-parking.com. 成田空港駐車場USAパーキング利用者数No.1の実績。機械洗車無料サービス付き!

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.565

12/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

usa-parking.com

514 ms

usa-parking.com

877 ms

ytag.js

906 ms

bootstrap.min.css

670 ms

bootstrap_my.css

963 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 70% of them (47 requests) were addressed to the original Usa-parking.com, 16% (11 requests) were made to Platform.twitter.com and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Usa-parking.com.

Content Size

1.6 MB

After Optimization

770.9 kB

In fact, the total size of Usa-parking.com main page is 1.6 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 32.2 kB

Original 43.3 kB
After minification 39.9 kB
After compression 11.1 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 32.2 kB or 74% of the original size.

Image Optimization

-42%

Potential reduce by 478.9 kB

Original 1.1 MB
After minification 664.7 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. Obviously, Usa Parking needs image optimization as it can save up to 478.9 kB or 42% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-60%

Potential reduce by 91.6 kB

Original 152.7 kB
After minification 151.2 kB
After compression 61.1 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 91.6 kB or 60% of the original size.

CSS Optimization

-88%

Potential reduce by 248.0 kB

Original 282.1 kB
After minification 241.2 kB
After compression 34.0 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. Usa-parking.com needs all CSS files to be minified and compressed as it can save up to 248.0 kB or 88% of the original size.

Requests Now

After Optimization

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usa Parking. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts 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 the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA IDs are not unique

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

High

Links do not have a discernible name

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

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

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

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 Usa-parking.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 Usa-parking.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

usa-parking.com

Open Graph description is not detected on the main page of Usa Parking. 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

成田空港駐車場USAパーキング利用者数No.1の実績。機械洗車無料サービス付き!

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

usa-parking.com

usa-parking.com

ytag.js

bootstrap.min.css

bootstrap_my.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

usa-parking.com

usa-parking.com

ytag.js

bootstrap.min.css

bootstrap_my.css

animate.css

jquery-1.11.1.min.js

jquery.tile.js

bootstrap.min.js

twd-current.js

twd-display.js

js

widgets.js

wall.png

wall2.gif

main202206.jpg

main_tel20230718.png

main_left20240419.png

main_right202303.png

banner_yoyakusei20230704.png

pricelist500c3tax_20240312.png

ban_point05.gif

ban_point05-1_20230821.png

ban_point05-2.gif

ban_point05-3.gif

ban_point05-4_20220906.gif

ban_point05-5_20230718.gif

online_20240312.png

ttl_bg.gif

yoyaku.gif

annai_p02.jpg

annai_p03.jpg

annai_p04.jpg

annai_p05.jpg

annai_p01.jpg

annai_p06.jpg

img_sys_ttl01.gif

sys01.gif

img_sys_ttl02.gif

sys02.gif

img_sys_ttl03.gif

sys03.gif

img_sys_ttl04.gif