Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

nta.co.jp

日本旅行の国内旅行・海外旅行

Page Load Speed

7.5 sec in total

First Response

370 ms

Resources Loaded

6 sec

Page Rendered

1.1 sec

About Website

Click here to check amazing Nta content for Japan. Otherwise, check out these important facts you probably never knew about nta.co.jp

国内旅行や海外旅行・国内ツアーや海外ツアーのことなら日本旅行!赤い風船やベストツアーなど、国内・海外のお得なツアーを多数取り揃えております。家族旅行など目的に応じたプランから、ご希望の旅行やツアーが見つかるはず!宿泊施設や観光情報も検索できる旅行の総合サイトです。

Visit nta.co.jp

Key Findings

We analyzed Nta.co.jp page load time and found that the first response time was 370 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

nta.co.jp performance score

15

Measured Metrics

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%

Network Requests Diagram

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.

Page Optimization Overview & Recommendations

Page size can be reduced by 252.5 kB (4%)

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 Breakdown

Number of requests can be reduced by 64 (56%)

Requests Now

114

After Optimization

50

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 Review

nta.co.jp accessibility score

76

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

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

Impact

Issue

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

nta.co.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nta.co.jp SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Mobile Friendly

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/).

Impact

Issue

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

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: