Access team-delta.jp. チームデルタ（千葉）はホームページ制作をこう変えます

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value22.5 s

0/100

25%

SI (Speed Index)

Value19.8 s

0/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

team-delta.jp

693 ms

team-delta.jp

1413 ms

import.css

692 ms

top.css

692 ms

glide.css

693 ms

Our browser made a total of 134 requests to load all elements on the main page. We found that 77% of them (103 requests) were addressed to the original Team-delta.jp, 4% (6 requests) were made to Youtube.com and 3% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (6 sec) belongs to the original domain Team-delta.jp.

Content Size

12.4 MB

After Optimization

11.5 MB

In fact, the total size of Team-delta.jp main page is 12.4 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. Only a small number of websites need less resources to load. Images take 11.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 55.9 kB

Original 69.5 kB
After minification 60.8 kB
After compression 13.6 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 8.7 kB, which is 13% 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 55.9 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 320.1 kB

Original 11.4 MB
After minification 11.1 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. Team Delta images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 166.8 kB

Original 438.4 kB
After minification 410.4 kB
After compression 271.6 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 166.8 kB or 38% of the original size.

CSS Optimization

-84%

Potential reduce by 425.6 kB

Original 505.8 kB
After minification 476.7 kB
After compression 80.2 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. Team-delta.jp needs all CSS files to be minified and compressed as it can save up to 425.6 kB or 84% of the original size.

Requests Now

125

After Optimization

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Team Delta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

Displays images with incorrect aspect ratio

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

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

High

Image elements do not have [alt] attributes

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 Team-delta.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 Team-delta.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

team-delta.jp

Open Graph data is detected on the main page of Team Delta. 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

チームデルタ（千葉）はホームページ制作をこう変えます

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

team-delta.jp

team-delta.jp

import.css

top.css

glide.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

team-delta.jp

team-delta.jp

import.css

top.css

glide.css

sublimeSlideshow.css

jquery.min.js

slick.css

slick-theme.css

slick.min.js

slick_func.js

jquery.mobile.custom.min.js

common.js

movie.js

jquery.backstretch.min.js

jquery.glide.js

jquery.sidr.min.js

jquery.matchHeight.js

jquery.film_roll.min.js

jquery.biggerlink.js

gips.js

fixed.js

loadCSS.js

jquery.sublimeSlideshow.js

header-logo.png

sp-nav.png

sp-snav.png

logo-s.png

scroll.png

m04.jpg

mp04.png

m06.jpg

mp06.png

m02.jpg

mp01.png

m01.jpg

mp02.png

m03.jpg

widgets.js

button-only.gif

bookmark_button.js

mp03.png

reset.css