Access ocha.tv. お茶百科

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value2,260 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value1.719

0/100

15%

TTI (Time to Interactive)

Value22.9 s

1/100

10%

ocha.tv

339 ms

ocha.tv

674 ms

www.ocha.tv

859 ms

reset.css

169 ms

common.css

337 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 95% of them (88 requests) were addressed to the original Ocha.tv, 2% (2 requests) were made to Connect.facebook.net and 1% (1 request) were made to Rsv.dga.jp. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Ocha.tv.

Content Size

2.9 MB

After Optimization

2.5 MB

In fact, the total size of Ocha.tv main page is 2.9 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. 50% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 24.3 kB

Original 30.1 kB
After minification 23.4 kB
After compression 5.8 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. This page needs HTML code to be minified as it can gain 6.7 kB, which is 22% 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 24.3 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 54.2 kB

Original 2.5 MB
After minification 2.5 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. Ocha images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 165.8 kB

Original 215.7 kB
After minification 164.1 kB
After compression 49.9 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 165.8 kB or 77% of the original size.

CSS Optimization

-90%

Potential reduce by 79.5 kB

Original 87.8 kB
After minification 41.9 kB
After compression 8.4 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. Ocha.tv needs all CSS files to be minified and compressed as it can save up to 79.5 kB or 90% of the original size.

Requests Now

After Optimization

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ocha. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 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-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

High

[aria-*] attributes do not have valid values

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

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

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

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 Ocha.tv 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 Ocha.tv 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

ocha.tv

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

お茶百科

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

ocha.tv

ocha.tv

www.ocha.tv

reset.css

common.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

ocha.tv

ocha.tv

www.ocha.tv

reset.css

common.css

layout.css

index.css

logo.png

logo-itoen.co.jp.png

nav-1.png

nav-2.png

nav-3.png

nav-4.png

nav-5.png

nav-6.png

visual-logo.png

visual-logo-itoen.co.jp.png

visual-scrolldown.png

visual-1-pc.jpg

visual-1-sp.jpg

visual-2-pc.jpg

visual-2-sp.jpg

visual-3-pc.jpg

visual-3-sp.jpg

category-1-1-pc.png

category-1-1-sp.png

category-1-2-pc.png

category-1-2-sp.png

category-1-3-pc.png

category-1-3-sp.png

category-2-1.jpg

category-2-2.jpg

category-2-3.jpg

category-2-4.jpg

category-2-5.jpg

category-2-6.jpg

category-2-7.jpg

category-2-8.jpg

slick.css

jquery-1.7.2.min.js

jquery.easing.1.3.js

device.js

jquery-match-height.js