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name

value

score

weighting

FCP (First Contentful Paint)

Value11.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value42.5 s

0/100

25%

SI (Speed Index)

Value29.3 s

0/100

10%

TBT (Total Blocking Time)

Value2,850 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value39.9 s

0/100

10%

otzyv.pro

409 ms

otzyv.pro

677 ms

js

48 ms

adfinity.js

776 ms

jquery-1.11.1_new.min.js

378 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 73% of them (72 requests) were addressed to the original Otzyv.pro, 7% (7 requests) were made to St6-21.vk.com and 6% (6 requests) were made to Vk.com. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Otzyv.pro.

Content Size

1.3 MB

After Optimization

944.6 kB

In fact, the total size of Otzyv.pro main page is 1.3 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. 45% of websites need less resources to load. Javascripts take 677.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 40.6 kB

Original 53.3 kB
After minification 50.8 kB
After compression 12.6 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 40.6 kB or 76% of the original size.

Image Optimization

-6%

Potential reduce by 14.7 kB

Original 264.9 kB
After minification 250.2 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. Otzyv images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 319.4 kB

Original 677.9 kB
After minification 668.0 kB
After compression 358.5 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 319.4 kB or 47% of the original size.

CSS Optimization

-7%

Potential reduce by 24.1 kB

Original 347.3 kB
After minification 347.3 kB
After compression 323.2 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. Otzyv.pro has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otzyv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

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 Otzyv.pro 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 Otzyv.pro 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

otzyv.pro

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

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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

otzyv.pro

otzyv.pro

js

adfinity.js

jquery-1.11.1_new.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

otzyv.pro

otzyv.pro

js

adfinity.js

jquery-1.11.1_new.min.js

jquery.js

jqueryui.js

dle_js.js

jquery-ui-personalized-1.5.3.packed.js

ui.datepicker-ru.js

jquery.plugin.min.js

jquery.countdown.js

jquery.countdown-ru.js

jquery-scrolltofixed.js

script.js

jquery.form.min.js

backend.js

jquery.fancybox.pack.js

webfont.js

default.css

style.css

hidelink.js

relap.js

logo.png

otz.png

eve.png

btn-yellow.png

search_left.png

search_cen.png

search_right.png

login_btn.png

cat_01.png

cat_line_main.png

hover_cat_menu.png

cat_02.png

cat_03.png

cat_04.png

cat_05.png

cat_06.png

cat_07.png

cat_08.png

cat_09.png

cat_1492.png