Tools & Wizards About Us
smtueco.ru screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

smtueco.ru

Официальный сайт кафедры «Промышленной и экологической безопасности объектов судовой энергетики» СПбГМТУ — сайт кафедры «Экологии промышленных зон и а...

Page Load Speed

27.3 sec in total

First Response

2.4 sec

Resources Loaded

24.5 sec

Page Rendered

388 ms

smtueco.ru screenshot

About Website

Visit smtueco.ru now to see the best up-to-date Smtueco content for Russia and also check out these interesting facts you probably never knew about smtueco.ru

Официальный сайт кафедры «Промышленной и экологической безопасн» СПбГМТУ. Кафедра ЭПЗиА входит в состав факультета корабельной энергетики и автоматики (ФКЭиА), осуществляет подготовку бакалавров и спе...

Visit smtueco.ru

Key Findings

We analyzed Smtueco.ru page load time and found that the first response time was 2.4 sec and then it took 24.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

smtueco.ru performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

smtueco.ru

2358 ms

style_standard.css

548 ms

mootools.js

2213 ms

caption.js

366 ms

engine_standard_compressed.js

355 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 65% of them (31 requests) were addressed to the original Smtueco.ru, 25% (12 requests) were made to W.uptolike.com and 6% (3 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Mc.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 307.3 kB (58%)

Content Size

528.1 kB

After Optimization

220.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Smtueco.ru main page is 528.1 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. Images take 260.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 133.8 kB

  • Original 159.6 kB
  • After minification 157.0 kB
  • After compression 25.8 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 133.8 kB or 84% of the original size.

Image Optimization

-41%

Potential reduce by 106.6 kB

  • Original 260.3 kB
  • After minification 153.7 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. Obviously, Smtueco needs image optimization as it can save up to 106.6 kB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 56.8 kB

  • Original 95.8 kB
  • After minification 94.8 kB
  • After compression 39.0 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 56.8 kB or 59% of the original size.

CSS Optimization

-82%

Potential reduce by 10.1 kB

  • Original 12.4 kB
  • After minification 9.9 kB
  • After compression 2.3 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. Smtueco.ru needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (60%)

Requests Now

43

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Smtueco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

smtueco.ru

smtueco.ru

2358 ms

style_standard.css

style_standard.css

548 ms

mootools.js

mootools.js

2213 ms

caption.js

caption.js

366 ms

engine_standard_compressed.js

engine_standard_compressed.js

355 ms

template.css

template.css

554 ms

images.js

images.js

552 ms

watch.js

watch.js

278 ms

zp.js

zp.js

1726 ms

watch.js

watch.js

20414 ms

ga.js

ga.js

99 ms

template.css

template.css

134 ms

__utm.gif

__utm.gif

45 ms

img01.gif

img01.gif

141 ms

img02.gif

img02.gif

138 ms

titul_02.jpg

titul_02.jpg

262 ms

img04.gif

img04.gif

136 ms

img05.gif

img05.gif

134 ms

circle.png

circle.png

518 ms

img06.gif

img06.gif

263 ms

img07.gif

img07.gif

260 ms

had3.jpg

had3.jpg

403 ms

locmansk_grey.jpg

locmansk_grey.jpg

410 ms

IMG_1513.jpg

IMG_1513.jpg

520 ms

prvpo_s_1.jpg

prvpo_s_1.jpg

788 ms

X-mass2010_09.jpg

X-mass2010_09.jpg

806 ms

watch.js

watch.js

47 ms

widgets.js

widgets.js

386 ms

img10.gif

img10.gif

352 ms

impression.html

impression.html

425 ms

extra.js

extra.js

423 ms

img11.gif

img11.gif

346 ms

bullet_white_inactive.png

bullet_white_inactive.png

357 ms

arrow_interface_white.png

arrow_interface_white.png

368 ms

prev.png

prev.png

388 ms

next.png

next.png

388 ms

img12.gif

img12.gif

502 ms

img13.gif

img13.gif

533 ms

uptolike.js

uptolike.js

218 ms

version.js

version.js

177 ms

widgetsModule.js

widgetsModule.js

369 ms

support.html

support.html

271 ms

share-counter.html

share-counter.html

186 ms

icomoon.svg

icomoon.svg

377 ms

icomoon.woff

icomoon.woff

174 ms

widgets-batch.js

widgets-batch.js

200 ms

bullet_white_active.png

bullet_white_active.png

183 ms

locmansk_color.jpg

locmansk_color.jpg

916 ms

Accessibility Review

smtueco.ru accessibility score

64

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

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

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

smtueco.ru best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

smtueco.ru SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    WINDOWS-1251

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

smtueco.ru

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