Tools & Wizards About Us

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

zoom.education

Zoom Education for Life - Home

Page Load Speed

6.4 sec in total

First Response

266 ms

Resources Loaded

3.6 sec

Page Rendered

2.5 sec

About Website

Welcome to zoom.education homepage info - get ready to check Zoom best content for Brazil right away, or after learning these important things about zoom.education

Conheça mais sobre nossas soluções completas que integram pensamento computacional, cultura maker, robótica e STEAM.

Visit zoom.education

Key Findings

We analyzed Zoom.education page load time and found that the first response time was 266 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

zoom.education performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value17.5 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value2,510 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.134

80/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

zoom.education

266 ms

zoom.education

1162 ms

style.css

352 ms

js

76 ms

style.min.css

350 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 80% of them (64 requests) were addressed to the original Zoom.education, 6% (5 requests) were made to Youtube.com and 3% (2 requests) were made to D335luupugsy2.cloudfront.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Zoom.education.

Page Optimization Overview & Recommendations

Page size can be reduced by 890.6 kB (11%)

Content Size

8.2 MB

After Optimization

7.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zoom.education main page is 8.2 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. 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 7.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 38.9 kB

  • Original 47.4 kB
  • After minification 42.2 kB
  • After compression 8.5 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 5.2 kB, which is 11% 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 38.9 kB or 82% of the original size.

Image Optimization

-10%

Potential reduce by 778.4 kB

  • Original 7.8 MB
  • After minification 7.0 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. Zoom images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 268.3 kB
  • After minification 268.3 kB
  • After compression 265.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-46%

Potential reduce by 70.6 kB

  • Original 154.6 kB
  • After minification 154.6 kB
  • After compression 84.0 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. Zoom.education needs all CSS files to be minified and compressed as it can save up to 70.6 kB or 46% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (29%)

Requests Now

73

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zoom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

zoom.education accessibility score

68

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.

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

ARIA IDs are not unique

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zoom.education best practices score

83

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

Page has valid source maps

SEO Factors

zoom.education SEO score

80

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

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

    PT

  • Language Claimed

    PT

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zoom.education can be misinterpreted by Google and other search engines. Our service has detected that Portuguese is used on the page, and it matches the claimed language. Our system also found out that Zoom.education 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 Zoom. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: