Access zarnitza.ru. Учебно-лабораторное оборудование и учебно-лабораторные стенды «Зарница» в Москве и по всей России

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value5,400 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.052

99/100

15%

TTI (Time to Interactive)

Value26.3 s

0/100

10%

zarnitza.ru

344 ms

zarnitza.ru

670 ms

template_0217bf3ca57d524f4d8ae297740f5e03_v1.css

215 ms

core.min.js

538 ms

dexie3.bundle.min.js

434 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 79% of them (68 requests) were addressed to the original Zarnitza.ru, 12% (10 requests) were made to Google.com and 6% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Zarnitza.ru.

Content Size

3.9 MB

After Optimization

3.6 MB

In fact, the total size of Zarnitza.ru main page is 3.9 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. 60% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 222.3 kB

Original 261.4 kB
After minification 189.9 kB
After compression 39.1 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 71.5 kB, which is 27% 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 222.3 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 56.9 kB

Original 3.3 MB
After minification 3.2 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. Zarnitza images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 15.9 kB

Original 244.5 kB
After minification 244.4 kB
After compression 228.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-30%

Potential reduce by 35.6 kB

Original 120.2 kB
After minification 120.2 kB
After compression 84.6 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. Zarnitza.ru needs all CSS files to be minified and compressed as it can save up to 35.6 kB or 30% of the original size.

Requests Now

After Optimization

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zarnitza. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Links do not have a discernible name

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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

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

RU
Encoding

UTF-8

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

zarnitza.ru

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

Учебно-лабораторное оборудование и учебно-лабораторные стенды «Зарница» в Москве и по всей России

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

zarnitza.ru

zarnitza.ru

template_0217bf3ca57d524f4d8ae297740f5e03_v1.css

core.min.js

dexie3.bundle.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

zarnitza.ru

zarnitza.ru

template_0217bf3ca57d524f4d8ae297740f5e03_v1.css

core.min.js

dexie3.bundle.min.js

core_ls.min.js

core_frame_cache.min.js

protobuf.min.js

model.min.js

rest.client.min.js

pull.client.min.js

jquery-2.2.4.min.js

template_eaaa47e0964addcd4790eaf794203fbc_v1.js

js

parallax.min.js

simpleParallax.min.js

api.js

openModalService.js

api.js

logo.png

search-icon.svg

basket-icon.svg

zar.png

logo_cut_a.jpg

catalog-icon.svg

phone-call.png

close.svg

0rdqa5lk1a50ky4v6t03y518qmtruscp.jpg

fmrg3g6k0bdalpxb1wjgsha1t2ewtada.png

bnr_gisp.jpg

bnr_mincifry.jpg

sgi74vi0l3h23yib1oqk3hyw3pqad14g.jpg

43bbcb51abf7606f703e6690cb9621f4.png

f142e34f14e3f537c686d7deea472813.png

0ab13047340bd7c5ba4eb2efc0cc4a18.png

ba3fc93e6442cd45ff287f880a1ec4e1.png

5431371675e989aa24e72261c77948e8.png

med-goz.png

iso-company.png

yqosuazevpdfuk8do59f30qkzln4p15a.png

685f574a760adf2ba3d94b3091c4e30e.png

8f1be487cb024eab8ba2dd358584c833.png

5279353e2860e15fffad88af5e45c6ec.png