Tools & Wizards About Us
castillo.bettermarks.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

castillo.bettermarks.com

Adaptive learning with interactive maths books - bettermarks

Page Load Speed

2.6 sec in total

First Response

117 ms

Resources Loaded

2.2 sec

Page Rendered

305 ms

castillo.bettermarks.com screenshot

About Website

Visit castillo.bettermarks.com now to see the best up-to-date Castillo Bettermarks content for Germany and also check out these interesting facts you probably never knew about castillo.bettermarks.com

bettermarks is an adaptive learning system for maths replacing printed textbooks or exercise books. Students are enabled to learn from their mistakes.

Visit castillo.bettermarks.com

Key Findings

We analyzed Castillo.bettermarks.com page load time and found that the first response time was 117 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

castillo.bettermarks.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value2,310 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

castillo.bettermarks.com

117 ms

bettermarks.com

973 ms

ecf.css

103 ms

oxygen.css

204 ms

mailin-front.css

308 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Castillo.bettermarks.com, 48% (11 requests) were made to Bettermarks.com and 22% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (973 ms) relates to the external source Bettermarks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 79.1 kB (17%)

Content Size

471.1 kB

After Optimization

392.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Castillo.bettermarks.com main page is 471.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% 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. Javascripts take 236.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 38.8 kB

  • Original 50.4 kB
  • After minification 50.4 kB
  • After compression 11.6 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 38.8 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 113.8 kB
  • After minification 113.8 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. Castillo Bettermarks images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 39.6 kB

  • Original 236.4 kB
  • After minification 236.1 kB
  • After compression 196.8 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 39.6 kB or 17% of the original size.

CSS Optimization

-1%

Potential reduce by 753 B

  • Original 70.6 kB
  • After minification 70.6 kB
  • After compression 69.8 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. Castillo.bettermarks.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (68%)

Requests Now

19

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Castillo Bettermarks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

castillo.bettermarks.com

castillo.bettermarks.com

117 ms

bettermarks.com

bettermarks.com

973 ms

ecf.css

ecf.css

103 ms

oxygen.css

oxygen.css

204 ms

mailin-front.css

mailin-front.css

308 ms

jquery.min.js

jquery.min.js

351 ms

mailin-front.js

mailin-front.js

343 ms

26.css

26.css

342 ms

6.css

6.css

363 ms

universal.css

universal.css

410 ms

js

js

105 ms

bettermarks-logo.png

bettermarks-logo.png

100 ms

DpX9ccljFVk

DpX9ccljFVk

104 ms

bettermarks-devices.jpg

bettermarks-devices.jpg

501 ms

www-player.css

www-player.css

9 ms

www-embed-player.js

www-embed-player.js

36 ms

base.js

base.js

75 ms

ad_status.js

ad_status.js

214 ms

RAiHx6Z8aI87xfn3BcPOACt6MzvCMtPfFa8gMAvLcEc.js

RAiHx6Z8aI87xfn3BcPOACt6MzvCMtPfFa8gMAvLcEc.js

141 ms

embed.js

embed.js

51 ms

id

id

31 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

167 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

168 ms

Accessibility Review

castillo.bettermarks.com accessibility score

85

Accessibility Issues

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.

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

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

High

Links do not have a discernible name

Best Practices

castillo.bettermarks.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

castillo.bettermarks.com SEO score

93

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Castillo.bettermarks.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Castillo.bettermarks.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

castillo.bettermarks.com

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