Access isdef.org. Ассоциация ISDEF - Форум Независимых Разработчиков Программного Обеспечения, конференция ИЗДЕФ

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value21.4 s

0/100

10%

TBT (Total Blocking Time)

Value2,960 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.313

37/100

15%

TTI (Time to Interactive)

Value26.1 s

0/100

10%

isdef.org

391 ms

index.php

681 ms

kernel_main.css

135 ms

page_a16562a5b20b33afa1f0af9d19b5b309.css

239 ms

template_6408947de9a6f1d68905b86c72c06efc.css

359 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 77% of them (62 requests) were addressed to the original Isdef.org, 5% (4 requests) were made to Top-fwz1.mail.ru and 4% (3 requests) were made to Bitrix.info. The less responsive or slowest element that took the longest time to load (999 ms) belongs to the original domain Isdef.org.

Content Size

3.2 MB

After Optimization

2.9 MB

In fact, the total size of Isdef.org main page is 3.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 127.8 kB

Original 146.2 kB
After minification 128.7 kB
After compression 18.4 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. This page needs HTML code to be minified as it can gain 17.5 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 127.8 kB or 87% of the original size.

Image Optimization

-6%

Potential reduce by 159.3 kB

Original 2.5 MB
After minification 2.4 MB

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. ISDEF images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 12.5 kB

Original 464.8 kB
After minification 463.6 kB
After compression 452.2 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.

CSS Optimization

-34%

Potential reduce by 17.4 kB

Original 50.6 kB
After minification 43.9 kB
After compression 33.2 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. Isdef.org needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 34% of the original size.

Requests Now

After Optimization

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISDEF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

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 Isdef.org 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 Isdef.org 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

isdef.org

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Ассоциация ISDEF - Форум Независимых Разработчиков Программного Обеспечения, конференция ИЗДЕФ

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

isdef.org

index.php

kernel_main.css

page_a16562a5b20b33afa1f0af9d19b5b309.css

template_6408947de9a6f1d68905b86c72c06efc.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

isdef.org

index.php

kernel_main.css

page_a16562a5b20b33afa1f0af9d19b5b309.css

template_6408947de9a6f1d68905b86c72c06efc.css

kernel_main.js

template_24b223eb3c56561ef7e86588a23e6024.js

css

css

jquery.min.js

jquery-ui.min.js

excanvas.js

jquery.themepunch.tools.min.js

jquery.themepunch.revolution.min.js

superfish.min.js

tinynav.min.js

header_auth.js

isotope.pkgd.min.js

jquery.magnific-popup.min.js

scroolto.js

jquery.nicescroll.min.js

jquery.inview.min.js

jquery.parallax-1.1.3.js

jquery.countTo.js

jquery.countdown.js

jquery.carouFredSel-6.2.1-packed.js

settings.js

tabs.js

mc-validate.js

nicdark_shortcodes.css

nicdark_menu.css

fontello.css

animate.css

magnific-popup.css

raleway.css

ba.js

analytics.js

logo.png

a460e5d71fbb861863b48ab8f762404d.png

732ff43c3e3229b598a2bb83ccef69a5.png

isdef_2022_all_small.webp

f07736a023b93522170c500e0c68f175.png

9c9f195afed107c8ef9ee22b21e284c1.png