Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

robotschoolapp.com

Robot School App - Making Programming Fun and Accessible

Page Load Speed

5.4 sec in total

First Response

1.2 sec

Resources Loaded

3.9 sec

Page Rendered

379 ms

About Website

Visit robotschoolapp.com now to see the best up-to-date Robot School App content and also check out these interesting facts you probably never knew about robotschoolapp.com

Making Programming Fun and Accessible

Visit robotschoolapp.com

Key Findings

We analyzed Robotschoolapp.com page load time and found that the first response time was 1.2 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

robotschoolapp.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

robotschoolapp.com

1191 ms

style.min.css

161 ms

wpautoterms.css

233 ms

styles.css

232 ms

css

30 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 79% of them (41 requests) were addressed to the original Robotschoolapp.com, 10% (5 requests) were made to Youtube.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Robotschoolapp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 315.1 kB (7%)

Content Size

4.8 MB

After Optimization

4.4 MB

In fact, the total size of Robotschoolapp.com main page is 4.8 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 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 71.2 kB

  • Original 86.4 kB
  • After minification 81.7 kB
  • After compression 15.1 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 71.2 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 5.5 kB

  • Original 4.0 MB
  • After minification 4.0 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. Robot School App images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 230.3 kB

  • Original 493.6 kB
  • After minification 493.6 kB
  • After compression 263.3 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 230.3 kB or 47% of the original size.

CSS Optimization

-4%

Potential reduce by 8.1 kB

  • Original 183.5 kB
  • After minification 183.5 kB
  • After compression 175.4 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. Robotschoolapp.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (67%)

Requests Now

48

After Optimization

16

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robot School App. 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 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

robotschoolapp.com accessibility score

91

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s are not contained by their required parent element

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.

Best Practices

robotschoolapp.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

robotschoolapp.com SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

Language and Encoding

  • Language Detected

    TH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Robotschoolapp.com can be misinterpreted by Google and other search engines. Our service has detected that Thai is used on the page, and it does not match the claimed English language. Our system also found out that Robotschoolapp.com 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 Robot School App. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: