Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

repetitionsapp.com

Repetitions - Cross-platform spaced repetition flashcards | Repetitions

Page Load Speed

1.5 sec in total

First Response

340 ms

Resources Loaded

1 sec

Page Rendered

119 ms

repetitionsapp.com screenshot

About Website

Welcome to repetitionsapp.com homepage info - get ready to check Repetitions App best content right away, or after learning these important things about repetitionsapp.com

Repetitions is a cross-platform spaced repetition system (SRS), an intelligent flashcard application that makes learning and memorization easy.

Visit repetitionsapp.com

Key Findings

We analyzed Repetitionsapp.com page load time and found that the first response time was 340 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

repetitionsapp.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value4,680 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.076

95/100

15%

TTI (Time to Interactive)

Value9.0 s

33/100

10%

Network Requests Diagram

repetitionsapp.com

340 ms

bootstrap.min.css

27 ms

repetitions.css

222 ms

jquery.min.js

54 ms

bootstrap.min.js

34 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 15% of them (4 requests) were addressed to the original Repetitionsapp.com, 26% (7 requests) were made to Apis.google.com and 11% (3 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (406 ms) belongs to the original domain Repetitionsapp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 392.2 kB (56%)

Content Size

695.1 kB

After Optimization

302.9 kB

In fact, the total size of Repetitionsapp.com main page is 695.1 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. 40% of websites need less resources to load. Javascripts take 474.5 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 7.1 kB

  • Original 10.8 kB
  • After minification 10.8 kB
  • After compression 3.7 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 7.1 kB or 66% of the original size.

Image Optimization

-5%

Potential reduce by 4.3 kB

  • Original 88.6 kB
  • After minification 84.3 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. Repetitions App images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 279.2 kB

  • Original 474.5 kB
  • After minification 474.5 kB
  • After compression 195.3 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 279.2 kB or 59% of the original size.

CSS Optimization

-84%

Potential reduce by 101.6 kB

  • Original 121.3 kB
  • After minification 121.2 kB
  • After compression 19.7 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. Repetitionsapp.com needs all CSS files to be minified and compressed as it can save up to 101.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (56%)

Requests Now

25

After Optimization

11

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Repetitions 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 15 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

repetitionsapp.com accessibility score

77

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

Best Practices

repetitionsapp.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

repetitionsapp.com SEO score

54

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Repetitionsapp.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 Repetitionsapp.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 Repetitions App. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: