Tools & Wizards About Us
data-compression.info screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

data-compression.info

www.data-compression.info - The Data Compression Resource

Page Load Speed

2.5 sec in total

First Response

659 ms

Resources Loaded

1.7 sec

Page Rendered

113 ms

data-compression.info screenshot

About Website

Welcome to data-compression.info homepage info - get ready to check Data Compression best content for India right away, or after learning these important things about data-compression.info

The central resource for data compression with informations and links to algorithms, corpora, comparisons, the compressor ABC, books and conferences.

Visit data-compression.info

Key Findings

We analyzed Data-compression.info page load time and found that the first response time was 659 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

data-compression.info performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

data-compression.info

659 ms

rollover.js

244 ms

logo_fraktal.gif

335 ms

numbers_purple.gif

222 ms

contents_off.gif

223 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 97% of them (29 requests) were addressed to the original Data-compression.info, 3% (1 request) were made to C2.gostats.com. The less responsive or slowest element that took the longest time to load (743 ms) belongs to the original domain Data-compression.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.7 kB (68%)

Content Size

53.6 kB

After Optimization

16.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Data-compression.info main page is 53.6 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. Only 10% of websites need less resources to load. HTML takes 34.7 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 30.6 kB

  • Original 34.7 kB
  • After minification 21.5 kB
  • After compression 4.1 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. This page needs HTML code to be minified as it can gain 13.2 kB, which is 38% 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 30.6 kB or 88% of the original size.

Image Optimization

-16%

Potential reduce by 2.3 kB

  • Original 13.7 kB
  • After minification 11.5 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, Data Compression needs image optimization as it can save up to 2.3 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 3.8 kB

  • Original 5.2 kB
  • After minification 4.1 kB
  • After compression 1.3 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 3.8 kB or 74% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

29

After Optimization

29

  • Images
  • JavaScript

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Compression. According to our analytics all requests are already optimized.

Network Requests Diagram

data-compression.info

data-compression.info

659 ms

rollover.js

rollover.js

244 ms

logo_fraktal.gif

logo_fraktal.gif

335 ms

numbers_purple.gif

numbers_purple.gif

222 ms

contents_off.gif

contents_off.gif

223 ms

Home_Hp3.gif

Home_Hp3.gif

225 ms

Algorithms_Np1.gif

Algorithms_Np1.gif

223 ms

Corpora_Np1.gif

Corpora_Np1.gif

283 ms

Comparisons_Np1.gif

Comparisons_Np1.gif

433 ms

ABC_Np1.gif

ABC_Np1.gif

437 ms

Books_Np1.gif

Books_Np1.gif

446 ms

Conferences_Np1.gif

Conferences_Np1.gif

498 ms

History_Np1.gif

History_Np1.gif

610 ms

Links_Np1.gif

Links_Np1.gif

542 ms

Impressum_Np1.gif

Impressum_Np1.gif

651 ms

Priv._Statem._Np1.gif

Priv._Statem._Np1.gif

664 ms

signatur.gif

signatur.gif

668 ms

ida_mail.gif

ida_mail.gif

743 ms

count

count

134 ms

Algorithms_NRp2.gif

Algorithms_NRp2.gif

542 ms

Home_HRp4.gif

Home_HRp4.gif

611 ms

Corpora_NRp2.gif

Corpora_NRp2.gif

591 ms

Comparisons_NRp2.gif

Comparisons_NRp2.gif

444 ms

ABC_NRp2.gif

ABC_NRp2.gif

448 ms

Books_NRp2.gif

Books_NRp2.gif

521 ms

Conferences_NRp2.gif

Conferences_NRp2.gif

483 ms

Links_NRp2.gif

Links_NRp2.gif

512 ms

History_NRp2.gif

History_NRp2.gif

479 ms

Impressum_NRp2.gif

Impressum_NRp2.gif

440 ms

Priv._Statem._NRp2.gif

Priv._Statem._NRp2.gif

437 ms

Accessibility Review

data-compression.info accessibility score

76

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.

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

Links do not have a discernible name

Best Practices

data-compression.info 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

SEO Factors

data-compression.info SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Data-compression.info can be misinterpreted by Google and other search engines. Our service has detected that English 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 Data-compression.info main page’s claimed encoding is iso-8859-1. 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

data-compression.info

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