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About Website

Welcome to cresti.co.jp homepage info - get ready to check Cresti best content right away, or after learning these important things about cresti.co.jp

オンデマンド印刷、製本印刷、カラーコピーならクレストアイ。冊子・小冊子印刷から自費出版・ポスター印刷を始め、卒園アルバムや黒い紙への印刷まで特殊な印刷商品も小ロット・短納期・スピード対応でお届け致します。東京都中央区日本橋小伝馬町にてお待ちしております！24時間ネット受付も可能！

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name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value19.8 s

0/100

25%

SI (Speed Index)

Value23.6 s

0/100

10%

TBT (Total Blocking Time)

Value470 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.609

10/100

15%

TTI (Time to Interactive)

Value19.9 s

2/100

10%

www.cresti.co.jp

999 ms

cssreset-min.css

8 ms

style.css

836 ms

jquery-1.11.2.min.js

1218 ms

masonry.pkgd.js

1090 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 96% of them (75 requests) were addressed to the original Cresti.co.jp, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Yui.yahooapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Cresti.co.jp.

Content Size

1.2 MB

After Optimization

906.5 kB

In fact, the total size of Cresti.co.jp main page is 1.2 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. 35% of websites need less resources to load. Images take 836.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 21.1 kB

Original 26.4 kB
After minification 22.2 kB
After compression 5.3 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. This page needs HTML code to be minified as it can gain 4.2 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.1 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 16.4 kB

Original 836.0 kB
After minification 819.6 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. Cresti images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 223.7 kB

Original 297.3 kB
After minification 226.3 kB
After compression 73.6 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 223.7 kB or 75% of the original size.

CSS Optimization

-85%

Potential reduce by 45.3 kB

Original 53.3 kB
After minification 43.3 kB
After compression 8.1 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. Cresti.co.jp needs all CSS files to be minified and compressed as it can save up to 45.3 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cresti. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

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

Search Engine Optimization Advices

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

High

Links are not crawlable

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 Cresti.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 Cresti.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

cresti.co.jp

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

東京都中央区のオンデマンド印刷ならクレストアイ - オンデマンドだからの小ロット印刷、スピード納品でご対応！

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)