Access zetadental.jp. 歯科器具及び歯科材料の歯科専門通販、卸売サイト

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.125

83/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

zetadental.jp

397 ms

www.zetadental.jp

1166 ms

style_N.css

508 ms

common.js

558 ms

index.js

355 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 97% of them (67 requests) were addressed to the original Zetadental.jp, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Zetadental.jp.

Content Size

1.6 MB

After Optimization

1.1 MB

In fact, the total size of Zetadental.jp main page is 1.6 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. 25% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 101.2 kB

Original 120.4 kB
After minification 92.0 kB
After compression 19.2 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 28.4 kB, which is 24% 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 101.2 kB or 84% of the original size.

Image Optimization

-18%

Potential reduce by 233.3 kB

Original 1.3 MB
After minification 1.1 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. Obviously, Zetadental needs image optimization as it can save up to 233.3 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 64.1 kB

Original 97.9 kB
After minification 65.6 kB
After compression 33.8 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 64.1 kB or 65% of the original size.

CSS Optimization

-78%

Potential reduce by 17.1 kB

Original 21.8 kB
After minification 19.8 kB
After compression 4.7 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. Zetadental.jp needs all CSS files to be minified and compressed as it can save up to 17.1 kB or 78% of the original size.

Requests Now

After Optimization

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zetadental. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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>).

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

High

Browser errors were logged to the console

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

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zetadental.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zetadental.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

zetadental.jp

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

歯科器具及び歯科材料の歯科専門通販、卸売サイト

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

zetadental.jp

www.zetadental.jp

style_N.css

common.js

index.js

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

zetadental.jp

www.zetadental.jp

style_N.css

common.js

index.js

transport.js

utils.js

funcs.js

mod_email.js

zdhead-bg.jpg

zd-logo.png

top-line.jpg

Trademark-jinme.gif

Trademark-Woodpecker.gif

1373621915615896542.jpg

1421735414250634259.jpg

1432108750548042537.jpg

1438655961178729692.jpg

facebook.jpg

twitter.jpg

google.jpg

ad20160318.jpg

ad20160311.jpg

ad20160226.jpg

ad20160122.jpg

ad20151127.jpg

mad01.jpg

mad02.jpg

mad03.jpg

mad04.jpg

mad05.jpg

mad06.jpg

168595_thumb_G_1456988521156.jpg

168537_thumb_G_1447829610199.jpg

168578_thumb_G_1452666136250.jpg

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