Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

ktb.jp

株式会社霞が関トラベル - KASUMIGASEKI TRAVEL BUREAU, INC. | 皆様の快適な「旅」のスペシャリストです

Page Load Speed

9.3 sec in total

First Response

563 ms

Resources Loaded

8.4 sec

Page Rendered

298 ms

ktb.jp screenshot

About Website

Visit ktb.jp now to see the best up-to-date Ktb content and also check out these interesting facts you probably never knew about ktb.jp

官公庁のVIPを含む外交・公務渡航、銀行、大学、学会、研究機関等の海外業務渡航、及び視察旅行に長年の実績と信頼を誇る霞が関トラベル。 ご出張から個人旅行、団体旅行に至るまで旅行形態を問わず、皆様の快適な「旅」のアドバイザー、コーディネーターとして各界の方からご信頼をいただいているスペシャリストです。

Visit ktb.jp

Key Findings

We analyzed Ktb.jp page load time and found that the first response time was 563 ms and then it took 8.7 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

ktb.jp performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value1.087

1/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

ktb.jp

563 ms

www.ktb.jp

2269 ms

bootstrap.css

996 ms

default.css

510 ms

template.css

527 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 93% of them (62 requests) were addressed to the original Ktb.jp, 3% (2 requests) were made to Netdna.bootstrapcdn.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Ktb.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 520.2 kB (21%)

Content Size

2.4 MB

After Optimization

1.9 MB

In fact, the total size of Ktb.jp main page is 2.4 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. 35% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 40.1 kB

  • Original 50.9 kB
  • After minification 45.8 kB
  • After compression 10.7 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 40.1 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 38.0 kB

  • Original 1.8 MB
  • After minification 1.8 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. Ktb images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 224.7 kB

  • Original 328.2 kB
  • After minification 308.9 kB
  • After compression 103.5 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 224.7 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 217.4 kB

  • Original 258.3 kB
  • After minification 200.9 kB
  • After compression 40.9 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. Ktb.jp needs all CSS files to be minified and compressed as it can save up to 217.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (64%)

Requests Now

64

After Optimization

23

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ktb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ktb.jp accessibility score

80

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

ktb.jp best practices score

75

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

Page has valid source maps

SEO Factors

ktb.jp SEO score

85

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

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 Ktb.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 Ktb.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 description is not detected on the main page of Ktb. 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: