Access by.websitelibrary.com. WebSiteLibrary Белоруссия - Найти информацию о всех существующих сайтах

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.219

57/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

by.websitelibrary.com

91 ms

css

24 ms

js

46 ms

show_ads.js

70 ms

plusone.js

28 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original By.websitelibrary.com, 86% (61 requests) were made to Img.websitelibrary.com and 3% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (238 ms) relates to the external source Img.websitelibrary.com.

Content Size

243.1 kB

After Optimization

217.9 kB

In fact, the total size of By.websitelibrary.com main page is 243.1 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. 20% of websites need less resources to load. Javascripts take 181.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 23.9 kB

Original 28.6 kB
After minification 28.4 kB
After compression 4.7 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 23.9 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 1.1 kB

Original 33.2 kB
After minification 32.1 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. By Web Site Library images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 91 B

Original 181.3 kB
After minification 181.3 kB
After compression 181.2 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 Now

After Optimization

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of By Web Site Library. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Form elements do not have associated labels

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

robots.txt is not valid

Language and Encoding

Language Detected

EN
Language Claimed

RU
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise By.websitelibrary.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Russian language. Our system also found out that By.websitelibrary.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

by.websitelibrary.com

Open Graph description is not detected on the main page of By Web Site Library. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

WebSiteLibrary Белоруссия - Найти информацию о всех существующих сайтах

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

by.websitelibrary.com

css

js

show_ads.js

plusone.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

by.websitelibrary.com

css

js

show_ads.js

plusone.js

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