Access langland.co.jp. 東京(渋谷)の英会話・スペイン語・フランス語・イタリア語スクール　入会金無料・月謝制だから安心！【ラングランド】

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value13.7 s

1/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.1 s

1/100

10%

langland.co.jp

596 ms

www.langland.co.jp

1639 ms

gtm.js

89 ms

font-awesome.min.css

56 ms

swiper.css

652 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 86% of them (98 requests) were addressed to the original Langland.co.jp, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (7.2 sec) belongs to the original domain Langland.co.jp.

Content Size

4.5 MB

After Optimization

4.0 MB

In fact, the total size of Langland.co.jp main page is 4.5 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. 60% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 217.1 kB

Original 260.2 kB
After minification 233.5 kB
After compression 43.2 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. 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 217.1 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 154.8 kB

Original 4.0 MB
After minification 3.9 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. Langland images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 20.5 kB

Original 120.6 kB
After minification 120.6 kB
After compression 100.1 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 20.5 kB or 17% of the original size.

CSS Optimization

-33%

Potential reduce by 13.3 kB

Original 40.4 kB
After minification 40.4 kB
After compression 27.1 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. Langland.co.jp needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 33% of the original size.

Requests Now

112

After Optimization

The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Langland. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 11 to 1 for CSS 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 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

High

Links do not have a discernible name

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 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

Page has valid source maps

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Langland.co.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 Langland.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

langland.co.jp

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

東京(渋谷)の英会話・スペイン語・フランス語・イタリア語スクール 入会金無料・月謝制だから安心！【ラングランド】

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

langland.co.jp

www.langland.co.jp

gtm.js

font-awesome.min.css

swiper.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

langland.co.jp

www.langland.co.jp

gtm.js

font-awesome.min.css

swiper.css

css

style.css

base.css

blog.css

jquery.min.js

page.js

main.js

heightLine.js

smoothscroll.js

jquery.biggerlink.js

jquery.tile.js

top.css

responsive.css

purl.js

responsive.js

7448608.js

analytics.js

uh.js

bg_responsive.png

logo.png

banner_ets10.webp

banner_intensive20241012.webp

dele_head_banner.png

spm1.svg

spm2.svg

spm3.svg

spm4.svg

spm9.svg

spm11.svg

spm10.svg

spm8.svg

spm12.svg

spm13.svg

spm14.svg

facebook_black.svg

x_black02.svg

insta_black.svg

youtube_black.svg

東京(渋谷)の英会話・スペイン語・フランス語・イタリア語スクール　入会金無料・月謝制だから安心！【ラングランド】