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sciencedz.net screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

sciencedz.net

Conferences, seminars and workshops worldwide - ScienceDZ.net

Page Load Speed

2.9 sec in total

First Response

116 ms

Resources Loaded

2.2 sec

Page Rendered

500 ms

sciencedz.net screenshot

About Website

Click here to check amazing ScienceDZ content for Algeria. Otherwise, check out these important facts you probably never knew about sciencedz.net

ScienceDZ.Net : free listing of academic and scientific conferences, seminars and workshops worldwide. Subscribe to receive free periodic conference alerts in your mailbox. Find scientific and academi...

Visit sciencedz.net

Key Findings

We analyzed Sciencedz.net page load time and found that the first response time was 116 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

sciencedz.net performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value3,830 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value17.1 s

4/100

10%

Network Requests Diagram

sciencedz.net

116 ms

www.sciencedz.net

1596 ms

bootstrap.min.css

62 ms

font-awesome.min.css

69 ms

js

117 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 27% of them (4 requests) were addressed to the original Sciencedz.net, 13% (2 requests) were made to Stackpath.bootstrapcdn.com and 13% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Sciencedz.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.2 kB (24%)

Content Size

272.4 kB

After Optimization

206.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sciencedz.net main page is 272.4 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. 35% of websites need less resources to load. Images take 120.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 65.4 kB

  • Original 80.2 kB
  • After minification 76.8 kB
  • After compression 14.7 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 65.4 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 714 B

  • Original 120.6 kB
  • After minification 119.9 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. ScienceDZ images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 66 B

  • Original 71.6 kB
  • After minification 71.6 kB
  • After compression 71.6 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 6 (50%)

Requests Now

12

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ScienceDZ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sciencedz.net

sciencedz.net

116 ms

www.sciencedz.net

www.sciencedz.net

1596 ms

bootstrap.min.css

bootstrap.min.css

62 ms

font-awesome.min.css

font-awesome.min.css

69 ms

js

js

117 ms

adsbygoogle.js

adsbygoogle.js

205 ms

jquery-3.5.1.slim.min.js

jquery-3.5.1.slim.min.js

54 ms

popper.min.js

popper.min.js

103 ms

bootstrap.min.js

bootstrap.min.js

66 ms

logo32.png

logo32.png

64 ms

flags.jpg

flags.jpg

206 ms

js15_as.js

js15_as.js

42 ms

0.php

0.php

151 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

14 ms

214 ms

Accessibility Review

sciencedz.net accessibility score

89

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.

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

sciencedz.net 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sciencedz.net SEO score

94

Search Engine Optimization Advices

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Sciencedz.net 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 Sciencedz.net 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

sciencedz.net

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