Access spbzoo.ru. Ленинградский зоопарк

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value32.3 s

0/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.039

99/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

spbzoo.ru

1998 ms

gtm.js

69 ms

style.css

32 ms

style-01103051.css

60 ms

nivo-slider.css

58 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 79% of them (91 requests) were addressed to the original Spbzoo.ru, 4% (5 requests) were made to Top-fwz1.mail.ru and 3% (3 requests) were made to Pos.gosuslugi.ru. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Spbzoo.ru.

Content Size

9.3 MB

After Optimization

8.8 MB

In fact, the total size of Spbzoo.ru main page is 9.3 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. 65% of websites need less resources to load. Images take 8.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 47.3 kB

Original 60.2 kB
After minification 60.1 kB
After compression 12.9 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 47.3 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 272.6 kB

Original 8.9 MB
After minification 8.6 MB

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. Spbzoo images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 156.0 kB

Original 377.1 kB
After minification 358.4 kB
After compression 221.1 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 156.0 kB or 41% of the original size.

CSS Optimization

-74%

Potential reduce by 33.3 kB

Original 44.8 kB
After minification 37.6 kB
After compression 11.5 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. Spbzoo.ru needs all CSS files to be minified and compressed as it can save up to 33.3 kB or 74% of the original size.

Requests Now

108

After Optimization

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spbzoo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 7 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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

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.

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 keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

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

High

Page has valid source maps

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

Language and Encoding

Language Detected

RU
Language Claimed

N/A
Encoding

UTF-8

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

spbzoo.ru

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

Ленинградский зоопарк

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

spbzoo.ru

gtm.js

style.css

style-01103051.css

nivo-slider.css

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

spbzoo.ru

gtm.js

style.css

style-01103051.css

nivo-slider.css

mine_nivo.css

jquery.fancybox.css

jquery.fancybox-buttons.css

jquery.fancybox-thumbs.css

jquery.min.js

jquery-1.10.1.min.js

jquery.mousewheel-3.0.6.pack.js

jquery.fancybox.js

jquery.fancybox-buttons.js

jquery.fancybox-thumbs.js

jquery.fancybox-media.js

jquery.nivo.slider.js

script-ver-000007.js

finevision_banner.js

spxl.js

script.min.js

top100.jcn

top100.jcn

body_bg.gif

bg_06.jpg

bg_05.jpg

bg_1.jpg

bg_2.jpg

fon_footer_01.jpg

logo.png

index_03.png

index_04.png

ico_top.png

casi_raboti.png

bg_button_casi_raboti_1.png

loading.png

1.png

2.png

3.png

4.png

5.png

6.png

7.png