Report Summary

  • 3

    Performance

    Renders faster than
    19% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

tdabris.ru

Купить учебники, рабочие тетради, ОГЭ и ЕГЭ, контурные карты по низким ценам с доставкой по России вы можете в книжном интернет магазине Абрис

Page Load Speed

9.5 sec in total

First Response

1.6 sec

Resources Loaded

7.1 sec

Page Rendered

732 ms

tdabris.ru screenshot

About Website

Visit tdabris.ru now to see the best up-to-date Tdabris content for Russia and also check out these interesting facts you probably never knew about tdabris.ru

Интернет магазин школьных учебников, рабочих тетрадей. Вся учебно-методическая литература в одном месте. Доставка по России. Специальные условия для родительских комитетов при покупке на класс.

Visit tdabris.ru

Key Findings

We analyzed Tdabris.ru page load time and found that the first response time was 1.6 sec and then it took 7.9 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

tdabris.ru performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value3,480 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.771

5/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

tdabris.ru

1631 ms

www.tdabris.ru

885 ms

core.min.css

531 ms

kernel_main_v1.css

350 ms

template.css

360 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 83% of them (65 requests) were addressed to the original Tdabris.ru, 5% (4 requests) were made to Google-analytics.com and 4% (3 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Tdabris.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 230.6 kB (18%)

Content Size

1.2 MB

After Optimization

1.0 MB

In fact, the total size of Tdabris.ru main page is 1.2 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. 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. Images take 805.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 165.3 kB

  • Original 192.8 kB
  • After minification 173.3 kB
  • After compression 27.5 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. 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 165.3 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 38.9 kB

  • Original 805.6 kB
  • After minification 766.7 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. Tdabris images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 14.5 kB

  • Original 147.9 kB
  • After minification 147.9 kB
  • After compression 133.4 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

-12%

Potential reduce by 11.8 kB

  • Original 102.1 kB
  • After minification 102.1 kB
  • After compression 90.2 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. Tdabris.ru needs all CSS files to be minified and compressed as it can save up to 11.8 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (32%)

Requests Now

72

After Optimization

49

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tdabris. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tdabris.ru accessibility score

72

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

[id] attributes on active, focusable elements are not unique

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

Low

No form fields have multiple labels

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

tdabris.ru best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tdabris.ru SEO score

83

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

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tdabris.ru 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 Tdabris.ru 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 Tdabris. 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: