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name

value

score

weighting

FCP (First Contentful Paint)

Value15.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value25.7 s

0/100

25%

SI (Speed Index)

Value19.0 s

0/100

10%

TBT (Total Blocking Time)

Value4,770 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.315

37/100

15%

TTI (Time to Interactive)

Value26.9 s

0/100

10%

doctor59.ru

551 ms

doctor.59.ru

666 ms

jquery-1.9.1.min.js

769 ms

jquery-1.8.3.min.js

790 ms

jquery.js

805 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Doctor59.ru, 64% (49 requests) were made to I.sdska.ru and 8% (6 requests) were made to Reklama.ngs.ru. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source I.sdska.ru.

Content Size

946.7 kB

After Optimization

340.2 kB

In fact, the total size of Doctor59.ru main page is 946.7 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. 35% of websites need less resources to load. Javascripts take 639.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 51.5 kB

Original 66.8 kB
After minification 65.8 kB
After compression 15.4 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. 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 51.5 kB or 77% of the original size.

Image Optimization

-9%

Potential reduce by 11.9 kB

Original 125.5 kB
After minification 113.5 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. Doctor 59 images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 449.8 kB

Original 639.4 kB
After minification 582.7 kB
After compression 189.6 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 449.8 kB or 70% of the original size.

CSS Optimization

-81%

Potential reduce by 93.3 kB

Original 115.0 kB
After minification 95.6 kB
After compression 21.7 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. Doctor59.ru needs all CSS files to be minified and compressed as it can save up to 93.3 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doctor 59. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

RU
Language Claimed

N/A
Encoding

WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doctor59.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Doctor59.ru 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 Doctor 59. 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

Домен продается. Купить в магазине доменов Руцентр

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

doctor59.ru

doctor.59.ru

jquery-1.9.1.min.js

jquery-1.8.3.min.js

jquery.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

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Accessibility Review

Accessibility Issues

Best Practices

Areas of Improvement

SEO Factors

Search Engine Optimization Advices

Language and Encoding

Language Detected

Language Claimed

Encoding

Social Sharing Optimization

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