Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

dex1.su

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Page Load Speed

7.2 sec in total

First Response

604 ms

Resources Loaded

6.4 sec

Page Rendered

183 ms

dex1.su screenshot

About Website

Click here to check amazing Dex 1 content for United States. Otherwise, check out these important facts you probably never knew about dex1.su

Visit dex1.su

Key Findings

We analyzed Dex1.su page load time and found that the first response time was 604 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

dex1.su performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

dex1.su

604 ms

login.php

3621 ms

bootstrap.min.css

722 ms

font-awesome.min.css

439 ms

style.css

451 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 68% of them (38 requests) were addressed to the original Dex1.su, 23% (13 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Dex1.su.

Page Optimization Overview & Recommendations

Page size can be reduced by 554.4 kB (81%)

Content Size

687.7 kB

After Optimization

133.4 kB

In fact, the total size of Dex1.su main page is 687.7 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. 40% of websites need less resources to load. CSS take 378.8 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 4.7 kB

  • Original 6.8 kB
  • After minification 6.3 kB
  • After compression 2.1 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 4.7 kB or 69% of the original size.

Image Optimization

-13%

Potential reduce by 832 B

  • Original 6.3 kB
  • After minification 5.5 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, Dex 1 needs image optimization as it can save up to 832 B or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 222.2 kB

  • Original 295.8 kB
  • After minification 255.9 kB
  • After compression 73.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 222.2 kB or 75% of the original size.

CSS Optimization

-86%

Potential reduce by 326.7 kB

  • Original 378.8 kB
  • After minification 313.5 kB
  • After compression 52.2 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. Dex1.su needs all CSS files to be minified and compressed as it can save up to 326.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (80%)

Requests Now

40

After Optimization

8

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dex 1. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dex1.su accessibility score

57

Accessibility Issues

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

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

dex1.su 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

dex1.su SEO score

50

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dex1.su can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Dex1.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 Dex 1. 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: