Access albert.io. Grades 5-12 reading, writing, math, science, and test prep

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

55/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value1,810 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.112

87/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

albert.io

34 ms

www.albert.io

457 ms

67961914abf61494.css

11 ms

bf6a786c-9a428c2bb602f8fc.js

22 ms

26-fbb62776dbf63365.js

9 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 81% of them (21 requests) were addressed to the original Albert.io, 19% (5 requests) were made to A-us.storyblok.com. The less responsive or slowest element that took the longest time to load (457 ms) belongs to the original domain Albert.io.

Content Size

1.4 MB

After Optimization

704.2 kB

In fact, the total size of Albert.io main page is 1.4 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. 40% of websites need less resources to load. HTML takes 791.2 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 657.3 kB

Original 791.2 kB
After minification 790.9 kB
After compression 133.9 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 657.3 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 10.5 kB

Original 580.8 kB
After minification 570.3 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. Albert images are well optimized though.

Requests Now

After Optimization

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Albert. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

button, link, and menuitem elements do not have accessible names.

These are opportunities to improve the legibility of your content.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

High

Page is blocked from indexing

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/).

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 Albert.io 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 Albert.io 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 description is not detected on the main page of Albert. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: