Tools & Wizards About Us

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

diabaz.spb.su

Компания "ООО Диабаз". Творческая мастерская заслуженного работника культуры РФ Никифорова Владимира Евгеньевича. Санкт-Петербург - Москва

Page Load Speed

2.6 sec in total

First Response

610 ms

Resources Loaded

1.8 sec

Page Rendered

133 ms

About Website

Welcome to diabaz.spb.su homepage info - get ready to check Diabaz Spb best content for Russia right away, or after learning these important things about diabaz.spb.su

ООО "Диабаз" существует с 1996 года, являясь правоприемником творческой мастерской союза художников. Возглавляет организацию Никифоров Владимир Евгеньевич – заслуженный работник культуры РФ, лауреат п...

Visit diabaz.spb.su

Key Findings

We analyzed Diabaz.spb.su page load time and found that the first response time was 610 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

diabaz.spb.su performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.091

92/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

diabaz.spb.su

610 ms

styles.css

119 ms

common.js

235 ms

watch.js

245 ms

757403983459.jpg

585 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 91% of them (10 requests) were addressed to the original Diabaz.spb.su, 9% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (610 ms) belongs to the original domain Diabaz.spb.su.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.2 kB (8%)

Content Size

275.1 kB

After Optimization

252.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Diabaz.spb.su main page is 275.1 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. 15% of websites need less resources to load. Images take 248.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 21.2 kB

  • Original 26.2 kB
  • After minification 26.1 kB
  • After compression 5.0 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 21.2 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 1.9 kB

  • Original 248.2 kB
  • After minification 246.3 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. Diabaz Spb images are well optimized though.

CSS Optimization

-20%

Potential reduce by 160 B

  • Original 805 B
  • After minification 805 B
  • After compression 645 B

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. Diabaz.spb.su needs all CSS files to be minified and compressed as it can save up to 160 B or 20% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diabaz Spb. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

diabaz.spb.su accessibility score

46

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.

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

High

Form elements do not have associated labels

Best Practices

diabaz.spb.su best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

diabaz.spb.su SEO score

58

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

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 Diabaz.spb.su 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 Diabaz.spb.su 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

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