Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

delphi-z.ru

Все для Delphi ...

Page Load Speed

3.8 sec in total

First Response

769 ms

Resources Loaded

2.8 sec

Page Rendered

249 ms

delphi-z.ru screenshot

About Website

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

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Visit delphi-z.ru

Key Findings

We analyzed Delphi-z.ru page load time and found that the first response time was 769 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

delphi-z.ru performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value16.8 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value1,470 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.644

9/100

15%

TTI (Time to Interactive)

Value17.6 s

4/100

10%

Network Requests Diagram

delphi-z.ru

769 ms

prettify.js

294 ms

prettify.css

313 ms

jquery.js

436 ms

jqueryui.js

436 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 61% of them (49 requests) were addressed to the original Delphi-z.ru, 6% (5 requests) were made to C.vzuxy.com and 5% (4 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (769 ms) belongs to the original domain Delphi-z.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 591.3 kB (67%)

Content Size

885.5 kB

After Optimization

294.2 kB

In fact, the total size of Delphi-z.ru main page is 885.5 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. 45% of websites need less resources to load. Javascripts take 485.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 200.6 kB

  • Original 233.0 kB
  • After minification 228.9 kB
  • After compression 32.4 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 200.6 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 8.0 kB

  • Original 112.7 kB
  • After minification 104.7 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. Delphi Z images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 339.3 kB

  • Original 485.9 kB
  • After minification 446.9 kB
  • After compression 146.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 339.3 kB or 70% of the original size.

CSS Optimization

-80%

Potential reduce by 43.4 kB

  • Original 53.9 kB
  • After minification 46.7 kB
  • After compression 10.6 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. Delphi-z.ru needs all CSS files to be minified and compressed as it can save up to 43.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (60%)

Requests Now

77

After Optimization

31

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delphi Z. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

delphi-z.ru accessibility score

63

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-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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>).

Best Practices

delphi-z.ru best practices score

58

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

SEO Factors

delphi-z.ru SEO score

67

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Delphi-z.ru can be misinterpreted by Google and other search engines. Our service has detected that English 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 Delphi-z.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

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