Tools & Wizards About Us

Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

izip.com

iZip for Mac and PC - Free ZIP, Unzip, ZIPX, 7ZIP & RAR software

Page Load Speed

404 ms in total

First Response

90 ms

Resources Loaded

171 ms

Page Rendered

143 ms

About Website

Visit izip.com now to see the best up-to-date IZip content for United States and also check out these interesting facts you probably never knew about izip.com

iZip is a free powerful archiving utility designed specifically for Mac. Easily manage ZIP and RAR files directly from the OS X Finder. Open and securely share ZIP, encrypted ZIP and RAR plus other co...

Visit izip.com

Key Findings

We analyzed Izip.com page load time and found that the first response time was 90 ms and then it took 314 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

izip.com performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

izip.com

90 ms

reset.css

4 ms

style.css

6 ms

site.js

8 ms

ga.js

32 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 94% of them (16 requests) were addressed to the original Izip.com, 6% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (90 ms) belongs to the original domain Izip.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.4 kB (8%)

Content Size

310.7 kB

After Optimization

286.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Izip.com main page is 310.7 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. 15% of websites need less resources to load. Images take 279.8 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 3.4 kB

  • Original 5.5 kB
  • After minification 4.9 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. This page needs HTML code to be minified as it can gain 634 B, which is 11% 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 3.4 kB or 62% of the original size.

Image Optimization

-5%

Potential reduce by 15.1 kB

  • Original 279.8 kB
  • After minification 264.7 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. IZip images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 157 B

  • Original 17.4 kB
  • After minification 17.4 kB
  • After compression 17.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-73%

Potential reduce by 5.8 kB

  • Original 8.0 kB
  • After minification 6.5 kB
  • After compression 2.2 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. Izip.com needs all CSS files to be minified and compressed as it can save up to 5.8 kB or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IZip. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

izip.com accessibility score

86

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

Best Practices

izip.com 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

izip.com SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Izip.com 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 Izip.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 description is not detected on the main page of IZip. 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: