Tools & Wizards About Us
delphidevelop.ru screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

delphidevelop.ru

Программирование на Delphi для начинающих и не только - Главная страница

Page Load Speed

3.6 sec in total

First Response

553 ms

Resources Loaded

2.9 sec

Page Rendered

152 ms

delphidevelop.ru screenshot

About Website

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

Все о программировании на Delphi

Visit delphidevelop.ru

Key Findings

We analyzed Delphidevelop.ru page load time and found that the first response time was 553 ms and then it took 3.1 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

delphidevelop.ru performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value2,840 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.349

32/100

15%

TTI (Time to Interactive)

Value17.2 s

4/100

10%

Network Requests Diagram

delphidevelop.ru

553 ms

my.css

237 ms

base.css

352 ms

layer1.css

358 ms

jquery-1.10.2.js

607 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 32% of them (21 requests) were addressed to the original Delphidevelop.ru, 14% (9 requests) were made to Pagead2.googlesyndication.com and 12% (8 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (825 ms) relates to the external source An.yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 183.8 kB (21%)

Content Size

870.9 kB

After Optimization

687.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Delphidevelop.ru main page is 870.9 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. 55% of websites need less resources to load. Javascripts take 618.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 45.7 kB

  • Original 56.3 kB
  • After minification 55.1 kB
  • After compression 10.6 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 45.7 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 2.8 kB

  • Original 126.8 kB
  • After minification 124.0 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 Develop images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 80.5 kB

  • Original 618.6 kB
  • After minification 618.6 kB
  • After compression 538.1 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 80.5 kB or 13% of the original size.

CSS Optimization

-79%

Potential reduce by 54.8 kB

  • Original 69.2 kB
  • After minification 59.4 kB
  • After compression 14.3 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. Delphidevelop.ru needs all CSS files to be minified and compressed as it can save up to 54.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (61%)

Requests Now

59

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delphi Develop. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

delphidevelop.ru

delphidevelop.ru

553 ms

my.css

my.css

237 ms

base.css

base.css

352 ms

layer1.css

layer1.css

358 ms

jquery-1.10.2.js

jquery-1.10.2.js

607 ms

ulightbox.css

ulightbox.css

244 ms

ulightbox.js

ulightbox.js

368 ms

social.css

social.css

354 ms

adsbygoogle.js

adsbygoogle.js

96 ms

1

1

504 ms

zp.js

zp.js

717 ms

FoneBack.png

FoneBack.png

122 ms

FoneHeader.png

FoneHeader.png

132 ms

Logo.png

Logo.png

235 ms

FoneMainMenu.png

FoneMainMenu.png

133 ms

Articles.png

Articles.png

133 ms

Pas.png

Pas.png

120 ms

components.png

components.png

238 ms

Books.png

Books.png

239 ms

video.png

video.png

248 ms

arrow.gif

arrow.gif

248 ms

context.js

context.js

825 ms

show_ads_impl.js

show_ads_impl.js

265 ms

FoneContent.png

FoneContent.png

173 ms

aci.js

aci.js

543 ms

upBlock.gif

upBlock.gif

263 ms

hit

hit

263 ms

watch.js

watch.js

1 ms

version.js

version.js

175 ms

hit

hit

511 ms

zrt_lookup.html

zrt_lookup.html

38 ms

ads

ads

477 ms

ads

ads

468 ms

ads

ads

410 ms

ads

ads

401 ms

ads

ads

340 ms

reactive_library.js

reactive_library.js

277 ms

ca-pub-1037222935363590

ca-pub-1037222935363590

95 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

49 ms

data=g2C1VdkQCY1X7YSlUYk4r9HoTQAIFLtQ9XAXFY9nfZONxjoDOCpgkp5sh0swPoNe3p1xPW9kjd5fBl_i9N_Z_gvG1OT-fcxlpY_Eat841lXiFEMsCsSOTcFs

data=g2C1VdkQCY1X7YSlUYk4r9HoTQAIFLtQ9XAXFY9nfZONxjoDOCpgkp5sh0swPoNe3p1xPW9kjd5fBl_i9N_Z_gvG1OT-fcxlpY_Eat841lXiFEMsCsSOTcFs

301 ms

load_preloaded_resource.js

load_preloaded_resource.js

36 ms

abg_lite.js

abg_lite.js

60 ms

window_focus.js

window_focus.js

66 ms

qs_click_protection.js

qs_click_protection.js

60 ms

ufs_web_display.js

ufs_web_display.js

87 ms

bbae3fd3506d8d9338f85d10ea9db8af.js

bbae3fd3506d8d9338f85d10ea9db8af.js

203 ms

icon.png

icon.png

26 ms

3b0c1a1c8750041eb27603629860e89a.js

3b0c1a1c8750041eb27603629860e89a.js

202 ms

f11bfab4e3c942216447974439595ef6.js

f11bfab4e3c942216447974439595ef6.js

208 ms

hit

hit

285 ms

css

css

162 ms

s

s

125 ms

activeview

activeview

115 ms

14763004658117789537

14763004658117789537

77 ms

c653839755d9d9a3a773c62a0253f53f.js

c653839755d9d9a3a773c62a0253f53f.js

76 ms

activeview

activeview

302 ms

kTHMZx0cHIYckq4LfdquT7z-vs9NpzV_z4TqTqTEE8o.js

kTHMZx0cHIYckq4LfdquT7z-vs9NpzV_z4TqTqTEE8o.js

15 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpy8.woff

299 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpy8.woff

300 ms

activeview

activeview

94 ms

sodar

sodar

89 ms

impression.html

impression.html

133 ms

sodar2.js

sodar2.js

8 ms

runner.html

runner.html

7 ms

aframe

aframe

31 ms

Accessibility Review

delphidevelop.ru accessibility score

66

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.

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

Best Practices

delphidevelop.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

High

Page has valid source maps

SEO Factors

delphidevelop.ru SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Delphidevelop.ru 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 Delphidevelop.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

delphidevelop.ru

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