Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

css3.com

CSS3 Insights, Tips & Tricks about CSS3 with a joyful twist

Page Load Speed

58.3 sec in total

First Response

859 ms

Resources Loaded

37.4 sec

Page Rendered

20 sec

css3.com screenshot

About Website

Visit css3.com now to see the best up-to-date CSS3 content for Iran and also check out these interesting facts you probably never knew about css3.com

Dive into our CSS3 guides – your magical scrolls for transforming ordinary code into extraordinary web styling. CSS 3 Unwrapped – Learn, Laugh, Level Up.

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Key Findings

We analyzed Css3.com page load time and found that the first response time was 859 ms and then it took 57.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

css3.com performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value3,130 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

css3.com

859 ms

887 ms

superfish.css

832 ms

jquery.js

838 ms

hoverintent.js

1419 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 37% of them (37 requests) were addressed to the original Css3.com, 11% (11 requests) were made to Pagead2.googlesyndication.com and 8% (8 requests) were made to Scontent-iad3-1.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (10 sec) relates to the external source Pixel.everesttech.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 783.7 kB (52%)

Content Size

1.5 MB

After Optimization

725.3 kB

In fact, the total size of Css3.com main page is 1.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 60.2 kB

  • Original 74.4 kB
  • After minification 70.7 kB
  • After compression 14.2 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 60.2 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 7.8 kB

  • Original 252.8 kB
  • After minification 245.0 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. CSS3 images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 714.3 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 465.6 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 714.3 kB or 61% of the original size.

CSS Optimization

-75%

Potential reduce by 1.4 kB

  • Original 1.9 kB
  • After minification 1.3 kB
  • After compression 479 B

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. Css3.com needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 62 (66%)

Requests Now

94

After Optimization

32

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CSS3. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

css3.com accessibility score

52

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

css3.com best practices score

50

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

css3.com SEO score

62

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 Css3.com 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 Css3.com 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 data is detected on the main page of CSS3. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: