Access web-rentacar.com. レンタカーの比較・格安予約【レンタカードットコム】

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value2,300 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value19.2 s

2/100

10%

web-rentacar.com

529 ms

www.web-rentacar.com

903 ms

ja

174 ms

521 ms

bootstrap.min.css

343 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 53% of them (55 requests) were addressed to the original Web-rentacar.com, 21% (22 requests) were made to Www2.web-rentacar.com and 6% (6 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (6.3 sec) relates to the external source Www2.web-rentacar.com.

Content Size

3.4 MB

After Optimization

3.0 MB

In fact, the total size of Web-rentacar.com main page is 3.4 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. 70% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 179.6 kB

Original 222.8 kB
After minification 217.5 kB
After compression 43.2 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 179.6 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 193.6 kB

Original 3.1 MB
After minification 2.9 MB

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. Web Rentacar images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 12.2 kB

Original 36.3 kB
After minification 29.9 kB
After compression 24.1 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 12.2 kB or 34% of the original size.

CSS Optimization

-21%

Potential reduce by 12.2 kB

Original 57.4 kB
After minification 57.4 kB
After compression 45.2 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. Web-rentacar.com needs all CSS files to be minified and compressed as it can save up to 12.2 kB or 21% of the original size.

Requests Now

After Optimization

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Web Rentacar. 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 from 7 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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

Form elements do not have associated labels

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

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.

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

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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 Web-rentacar.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 Web-rentacar.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

web-rentacar.com

Open Graph data is detected on the main page of Web Rentacar. 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

レンタカーの比較・格安予約【レンタカードットコム】

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

web-rentacar.com

www.web-rentacar.com

ja

bootstrap.min.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

web-rentacar.com

www.web-rentacar.com

ja

bootstrap.min.css

slick.css

slick-theme.css

jquery-ui.min.css

app.css

icon

js.cookie.min.js

lazyload.min.js

app.js

jquery-3.3.1.min.js

jquery-ui.min.js

tether.min.js

slick.min.js

common.js

ofi.js

css

jui1sih.js

gtm.js

wanzu.jpg

ja.png

logo_type1.svg

logo_type2.svg

icon_search_arrow.svg

cp_bnr_app.png

cp_bnr_line.png

cp_bnr_highclass.png

cp_bnr_truckrentacar.png

cp_bnr_summer.png

cp_bnr_newrentacar.png

cp_bnr_ekirentacar.png

etc.jpg

insurances.jpg

winter.jpg

types.jpg

child.jpg

dropoff.jpg

beginner.jpg

price.jpg

smoking.jpg

helplist_coronavirus.png

helplist_compare.png