Tools & Wizards About Us

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

try-it.jp

勉強のわからないを5分で解決 | 映像授業のTry IT (トライイット)

Page Load Speed

3.1 sec in total

First Response

69 ms

Resources Loaded

2.2 sec

Page Rendered

884 ms

About Website

Click here to check amazing Try It content for Japan. Otherwise, check out these important facts you probably never knew about try-it.jp

Try IT（トライイット）は、実力派講師陣による永久０円の映像授業サービスです。更に、スマホを振る（トライイットする）ことにより「わからない」をなくすことが出来ます。全く新しい形の映像授業で日々の勉強の「わからない」を解決してください！

Visit try-it.jp

Key Findings

We analyzed Try-it.jp page load time and found that the first response time was 69 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

try-it.jp performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value2,160 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.9 s

1/100

10%

Network Requests Diagram

try-it.jp

69 ms

www.try-it.jp

678 ms

application-583a1f9f42aa746363fa9479786d9d974c703750d0fcaf1f7a758d68631cd7ee.css

91 ms

logo_black-a711ae7f4c2af1410b916e7066a5e8950d6f2f3a2150e093b6dc878ad8f31d3f.png

85 ms

index_top_head_sp-67b467f84ef18c2a328fb508f87ea96babc6f6ccc15803b7b9bad1cd7bd2018d.png

131 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Try-it.jp, 58% (42 requests) were made to Assets.try-it.jp and 13% (9 requests) were made to Thumbnails-streaming.try-it.jp. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Assets.try-it.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (36%)

Content Size

2.8 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Try-it.jp main page is 2.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 28.5 kB

  • Original 37.7 kB
  • After minification 37.7 kB
  • After compression 9.2 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 28.5 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 31.6 kB

  • Original 1.4 MB
  • After minification 1.4 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. Try It images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 302.3 kB

  • Original 612.5 kB
  • After minification 612.5 kB
  • After compression 310.2 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 302.3 kB or 49% of the original size.

CSS Optimization

-82%

Potential reduce by 641.6 kB

  • Original 786.7 kB
  • After minification 784.7 kB
  • After compression 145.2 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. Try-it.jp needs all CSS files to be minified and compressed as it can save up to 641.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (18%)

Requests Now

57

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Try It. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

try-it.jp accessibility score

73

Accessibility Issues

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

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Internationalization and localization

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

Impact

Issue

High

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

Best Practices

try-it.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

try-it.jp SEO score

90

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

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

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 Try-it.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 Try-it.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

Open Graph data is detected on the main page of Try It. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: