Tools & Wizards About Us
opt-tech.ru screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

opt-tech.ru

Охранно-пожарное оборудование, системы безопасности. ООО "Охранно-Пожарные Технологии", Москва

Page Load Speed

4.4 sec in total

First Response

733 ms

Resources Loaded

3.5 sec

Page Rendered

133 ms

opt-tech.ru screenshot

About Website

Welcome to opt-tech.ru homepage info - get ready to check Opt Tech best content for Russia right away, or after learning these important things about opt-tech.ru

Продажа оборудования и материалов для обеспечения объектов системами безопасности и связи: охранно-пожарная сигнализация, системы видео-наблюдения, пожаротушения, контроля и управления доступом, опове...

Visit opt-tech.ru

Key Findings

We analyzed Opt-tech.ru page load time and found that the first response time was 733 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

opt-tech.ru performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value1,020 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

Network Requests Diagram

opt-tech.ru

733 ms

opt-tech.ru

531 ms

www.opt-tech.ru

462 ms

www.opt-tech.ru

564 ms

js

65 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 82% of them (31 requests) were addressed to the original Opt-tech.ru, 5% (2 requests) were made to Code.jivosite.com and 5% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (733 ms) belongs to the original domain Opt-tech.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.5 kB (64%)

Content Size

41.5 kB

After Optimization

15.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Opt-tech.ru main page is 41.5 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. HTML takes 32.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 26.1 kB

  • Original 32.5 kB
  • After minification 31.5 kB
  • After compression 6.4 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 26.1 kB or 80% of the original size.

Image Optimization

-21%

Potential reduce by 289 B

  • Original 1.4 kB
  • After minification 1.1 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, Opt Tech needs image optimization as it can save up to 289 B or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 79 B

  • Original 7.7 kB
  • After minification 7.7 kB
  • After compression 7.6 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 16 (50%)

Requests Now

32

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opt Tech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

opt-tech.ru

opt-tech.ru

733 ms

opt-tech.ru

opt-tech.ru

531 ms

www.opt-tech.ru

www.opt-tech.ru

462 ms

www.opt-tech.ru

www.opt-tech.ru

564 ms

js

js

65 ms

style.css

style.css

136 ms

content.css

content.css

269 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

529 ms

checkform.js

checkform.js

401 ms

autozap.js

autozap.js

404 ms

CSS_NOVYiY_A.css

CSS_NOVYiY_A.css

408 ms

widget.js

widget.js

90 ms

3_1_FFFFFFFF_EFEFEFFF_0_pageviews

3_1_FFFFFFFF_EFEFEFFF_0_pageviews

552 ms

email.gif

email.gif

134 ms

print.gif

print.gif

135 ms

sitemap.gif

sitemap.gif

135 ms

menu_bg.gif

menu_bg.gif

131 ms

home.gif

home.gif

140 ms

header5.jpg

header5.jpg

261 ms

announce_image.gif

announce_image.gif

260 ms

announce.gif

announce.gif

268 ms

check.gif

check.gif

268 ms

newsarc.gif

newsarc.gif

269 ms

sendletter.gif

sendletter.gif

278 ms

catalog_bg.gif

catalog_bg.gif

390 ms

search_left.gif

search_left.gif

390 ms

submit.gif

submit.gif

401 ms

1_new.gif

1_new.gif

402 ms

2.gif

2.gif

403 ms

5.gif

5.gif

415 ms

4.jpg

4.jpg

519 ms

6.jpg

6.jpg

520 ms

search_bg.gif

search_bg.gif

515 ms

left_bg.gif

left_bg.gif

516 ms

hit

hit

522 ms

watch.js

watch.js

0 ms

UvaAdg1wVu

UvaAdg1wVu

176 ms

hit

hit

130 ms

Accessibility Review

opt-tech.ru accessibility score

54

Accessibility Issues

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

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

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

Best Practices

opt-tech.ru best practices score

75

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

Missing source maps for large first-party JavaScript

SEO Factors

opt-tech.ru SEO score

87

Search Engine Optimization Advices

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 Opt-tech.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 Opt-tech.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

opt-tech.ru

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