Access nta.co.jp. 日本旅行の国内旅行・海外旅行

name

value

score

weighting

FCP (First Contentful Paint)

Value10.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value3,940 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value33.2 s

0/100

10%

nta.co.jp

370 ms

www.nta.co.jp

355 ms

jquery.min.js

80 ms

top.js

260 ms

mediator.js

810 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 64% of them (79 requests) were addressed to the original Nta.co.jp, 6% (7 requests) were made to Googletagmanager.com and 4% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Nta.co.jp.

Content Size

6.2 MB

After Optimization

5.9 MB

In fact, the total size of Nta.co.jp main page is 6.2 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. Only a small number of websites need less resources to load. Images take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 169.5 kB

Original 204.3 kB
After minification 203.8 kB
After compression 34.8 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 169.5 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 5.3 MB
After minification 5.3 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. Nta images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 78.4 kB

Original 704.9 kB
After minification 700.0 kB
After compression 626.5 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 78.4 kB or 11% of the original size.

CSS Optimization

-13%

Potential reduce by 4.6 kB

Original 34.9 kB
After minification 34.9 kB
After compression 30.3 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. Nta.co.jp needs all CSS files to be minified and compressed as it can save up to 4.6 kB or 13% of the original size.

Requests Now

114

After Optimization

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 11 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-hidden="true"] elements contain focusable descendents

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 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

High

Links do not have a discernible name

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

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 Nta.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 Nta.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

nta.co.jp

Open Graph data is detected on the main page of Nta. 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

日本旅行の国内旅行・海外旅行

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

nta.co.jp

www.nta.co.jp

jquery.min.js

top.js

mediator.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

nta.co.jp

www.nta.co.jp

jquery.min.js

top.js

mediator.js

spstdpt.js

spaslctr.js

header.js

lazysizes.min.js

css

reset.css

layout.css

style.css

style_pc.css

style_pc.css

dp.css

index.js

manifest.js

vendor.js

top.js

Rtoaster.js

parts_jr.js

parts_kokunai_dpp.js

parts.js

slick.css

slick.min.js

slick-theme.css

common_pc.js

Rtoaster.Popup.js

parts_jr.js

search_tool_n3.js

ga.js

logo_001.jpg

head_logo.png

ic_head_08.png

ic_cal.gif

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