Tools & Wizards About Us

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

litera.by

Litera.by - Книжный интернет-магазин: книги с доставкой, книги почтой, централизованное тестирование, ВУЗы. Минск.

Page Load Speed

3 sec in total

First Response

822 ms

Resources Loaded

2 sec

Page Rendered

110 ms

About Website

Welcome to litera.by homepage info - get ready to check Litera best content for Belarus right away, or after learning these important things about litera.by

Книжный интернет-магазин. Справочники, компьютерная литература, учебная литература, книги различных направлений. Доставка книг курьером, книги-почтой

Visit litera.by

Key Findings

We analyzed Litera.by page load time and found that the first response time was 822 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

litera.by performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

litera.by

822 ms

style.css

111 ms

respon.css

221 ms

checkEmail.js

228 ms

ajax_subscribe.js

235 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 88% of them (23 requests) were addressed to the original Litera.by, 12% (3 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (822 ms) belongs to the original domain Litera.by.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.3 kB (43%)

Content Size

40.1 kB

After Optimization

22.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Litera.by main page is 40.1 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. Only 10% of websites need less resources to load. HTML takes 17.2 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 12.3 kB

  • Original 17.2 kB
  • After minification 15.9 kB
  • After compression 4.9 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 12.3 kB or 71% of the original size.

Image Optimization

-15%

Potential reduce by 2.2 kB

  • Original 14.9 kB
  • After minification 12.7 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. Obviously, Litera needs image optimization as it can save up to 2.2 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-48%

Potential reduce by 1.2 kB

  • Original 2.6 kB
  • After minification 2.3 kB
  • After compression 1.3 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 1.2 kB or 48% of the original size.

CSS Optimization

-30%

Potential reduce by 1.7 kB

  • Original 5.4 kB
  • After minification 5.4 kB
  • After compression 3.8 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. Litera.by needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (43%)

Requests Now

23

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Litera. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

litera.by accessibility score

78

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

litera.by 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

SEO Factors

litera.by SEO score

82

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Litera.by can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Litera.by main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Litera. 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: