5.9 sec in total
1.3 sec
4.3 sec
332 ms
Click here to check amazing Metalheat School content. Otherwise, check out these important facts you probably never knew about metalheat-school.jp
金属熱処理スクールは、金属熱処理を学びたい方へ、レベルに応じた教育カリキュラムを各種豊富にご用意しています。 実際の熱処理現場プロによる、現場経験を活かした少人数制のきめ細やかな指導を行ない、また、仕事と講習を両立できるように、夜間や土曜日も開講しています。金属熱処理の知識が身に付く万全の体制で受講生の皆様をトータルサポートしています。
Visit metalheat-school.jpWe analyzed Metalheat-school.jp page load time and found that the first response time was 1.3 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
metalheat-school.jp performance score
name
value
score
weighting
Value2.7 s
58/100
10%
Value4.7 s
32/100
25%
Value6.5 s
39/100
10%
Value150 ms
95/100
30%
Value0.223
56/100
15%
Value6.1 s
63/100
10%
1323 ms
333 ms
30 ms
359 ms
365 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 72% of them (42 requests) were addressed to the original Metalheat-school.jp, 17% (10 requests) were made to Google.com and 5% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Metalheat-school.jp.
Page size can be reduced by 423.0 kB (35%)
1.2 MB
775.8 kB
In fact, the total size of Metalheat-school.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. 50% of websites need less resources to load. Images take 978.5 kB which makes up the majority of the site volume.
Potential reduce by 20.1 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 20.1 kB or 75% of the original size.
Potential reduce by 326.3 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. Obviously, Metalheat School needs image optimization as it can save up to 326.3 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 54.7 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 54.7 kB or 33% of the original size.
Potential reduce by 21.9 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. Metalheat-school.jp needs all CSS files to be minified and compressed as it can save up to 21.9 kB or 82% of the original size.
Number of requests can be reduced by 9 (16%)
55
46
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Metalheat School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
metalheat-school.jp
1323 ms
common.css
333 ms
jquery.min.js
30 ms
school_base.js
359 ms
jquery.smoothScroll.js
365 ms
jquery.easing.min.js
367 ms
analytics.js
45 ms
img01.jpg
670 ms
img02.jpg
515 ms
img03.jpg
688 ms
title.png
1048 ms
top_back.jpg
536 ms
selection_back.jpg
729 ms
title_01.jpg
1036 ms
icon_01.jpg
1081 ms
icon_02.jpg
1015 ms
icon_03.jpg
1030 ms
title_02.jpg
1250 ms
icon_r_04.jpg
1515 ms
icon_r_03.jpg
1527 ms
page_top.png
1555 ms
rogo.png
1565 ms
bnr_01.jpg
1600 ms
bnr_02.jpg
1593 ms
bnr_03.jpg
1878 ms
bnr_04.jpg
1884 ms
bnr_05.jpg
1901 ms
bnr_06.jpg
1928 ms
btn_01.jpg
1930 ms
btn_02.jpg
1959 ms
btn_03.jpg
2418 ms
btn_04.jpg
2247 ms
btn_05.jpg
2246 ms
btn_06.jpg
2260 ms
bnr_01.jpg
2440 ms
head_nav_01.jpg
2455 ms
cse.js
32 ms
collect
12 ms
head_left.png
3123 ms
head_h1.png
2710 ms
head_h2.png
2740 ms
head_h3.png
2698 ms
cse.js
257 ms
jsapi
42 ms
head_nav_03_on.jpg
2597 ms
head_nav_04.jpg
2633 ms
scroll.js
2746 ms
default+ja.css
6 ms
default.css
17 ms
default+ja.I.js
19 ms
default.css
21 ms
head_sid.jpg
2772 ms
async-ads.js
43 ms
google_custom_search_watermark.gif
39 ms
small-logo.png
33 ms
search_box_icon.png
32 ms
clear.png
31 ms
nav_logo114.png
32 ms
metalheat-school.jp accessibility score
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
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.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
metalheat-school.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
metalheat-school.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Metalheat-school.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 Metalheat-school.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.
metalheat-school.jp
Open Graph description is not detected on the main page of Metalheat School. 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: