Report Summary

  • 0

    Performance

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

studentsbook.net

Учебники иностранных языков - купить современную иностранную литературу и учебники для изучения иностранных языков в школах и ВУЗах в интернет-магазин...

Page Load Speed

6.5 sec in total

First Response

404 ms

Resources Loaded

5.7 sec

Page Rendered

349 ms

studentsbook.net screenshot

About Website

Click here to check amazing Studentsbook content for Russia. Otherwise, check out these important facts you probably never knew about studentsbook.net

Купите учебники иностранных языков и книги в интернет-магазине иностранной литературы для изучения языков. Недорогая доставка по Москве и всей России! Скидки при покупке на группу, класс, школу! Учебн...

Visit studentsbook.net

Key Findings

We analyzed Studentsbook.net page load time and found that the first response time was 404 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

studentsbook.net performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

studentsbook.net

404 ms

studentsbook.net

959 ms

css2

38 ms

events.js

239 ms

page_788f1b9c4a68964b2d7347fbab273860_v1.css

361 ms

Our browser made a total of 180 requests to load all elements on the main page. We found that 89% of them (161 requests) were addressed to the original Studentsbook.net, 2% (4 requests) were made to Fonts.gstatic.com and 2% (3 requests) were made to Code.jivosite.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Studentsbook.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 253.5 kB (34%)

Content Size

748.9 kB

After Optimization

495.5 kB

In fact, the total size of Studentsbook.net main page is 748.9 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. 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. Javascripts take 465.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 243.5 kB

  • Original 281.9 kB
  • After minification 241.2 kB
  • After compression 38.4 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 40.7 kB, which is 14% 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 243.5 kB or 86% of the original size.

Image Optimization

-22%

Potential reduce by 350 B

  • Original 1.6 kB
  • After minification 1.3 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. Obviously, Studentsbook needs image optimization as it can save up to 350 B or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 9.6 kB

  • Original 465.4 kB
  • After minification 465.4 kB
  • After compression 455.8 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.

Requests Breakdown

Number of requests can be reduced by 66 (38%)

Requests Now

172

After Optimization

106

The browser has sent 172 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Studentsbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

studentsbook.net accessibility score

49

Accessibility Issues

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

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

studentsbook.net 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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

studentsbook.net SEO score

92

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

Image elements do not have [alt] attributes

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