5.8 sec in total
1.5 sec
3.8 sec
508 ms
Click here to check amazing Study Doctor content for Japan. Otherwise, check out these important facts you probably never knew about study-doctor.jp
無料の受験勉強動画を公開しています。学生さんから社会人の方のやり直し勉強まで。スッキリわかる無料の授業動画「生徒さんに日本一役立つ!」を目指してプロ講師が授業動画を更新中
Visit study-doctor.jpWe analyzed Study-doctor.jp page load time and found that the first response time was 1.5 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
study-doctor.jp performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value10.1 s
0/100
25%
Value7.6 s
26/100
10%
Value500 ms
58/100
30%
Value0.004
100/100
15%
Value8.4 s
38/100
10%
1508 ms
34 ms
22 ms
713 ms
18 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 28% of them (16 requests) were addressed to the original Study-doctor.jp, 18% (10 requests) were made to Static.xx.fbcdn.net and 14% (8 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Study-doctor.jp.
Page size can be reduced by 465.2 kB (46%)
1.0 MB
555.8 kB
In fact, the total size of Study-doctor.jp main page is 1.0 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. 45% of websites need less resources to load. Images take 401.5 kB which makes up the majority of the site volume.
Potential reduce by 25.0 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 3.8 kB, which is 12% 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 25.0 kB or 76% of the original size.
Potential reduce by 18.4 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. Study Doctor images are well optimized though.
Potential reduce by 157.9 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 157.9 kB or 58% of the original size.
Potential reduce by 263.9 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. Study-doctor.jp needs all CSS files to be minified and compressed as it can save up to 263.9 kB or 84% of the original size.
Number of requests can be reduced by 31 (57%)
54
23
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Study Doctor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
study-doctor.jp
1508 ms
bootstrap.min.css
34 ms
cssreset-min.css
22 ms
style.css
713 ms
font-awesome.min.css
18 ms
jquery.min.js
74 ms
bootstrap.min.js
44 ms
styles.css
342 ms
styles.css
349 ms
front.css
754 ms
bootstrap.css
1345 ms
pagenavi-css.css
406 ms
jquery.js
1222 ms
jquery-migrate.min.js
691 ms
tsa_params.min.js
587 ms
bootstrap.min.js
895 ms
front.js
747 ms
jquery-contained-sticky-scroll-min.js
672 ms
wp-emoji-release.min.js
337 ms
white_wall_hash_@2X.png
730 ms
header_work_station.jpg
1033 ms
widgets.js
78 ms
glyphicons-halflings-regular.woff
4 ms
fontawesome-webfont.woff
42 ms
analytics.js
41 ms
sdk.js
152 ms
collect
26 ms
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57 ms
timeline.d11f7a3b3287fb94220e8ee6d03cc772.js
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likebox.php
251 ms
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xd_arbiter.php
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266 ms
syndication
110 ms
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603 ms
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164 ms
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206 ms
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296 ms
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timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css
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study-doctor.jp accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
study-doctor.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
study-doctor.jp SEO score
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
Mobile Friendly
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/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Study-doctor.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 Study-doctor.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.
study-doctor.jp
Open Graph data is detected on the main page of Study Doctor. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: