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Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

zisurf.com

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Page Load Speed

1.3 sec in total

First Response

609 ms

Resources Loaded

617 ms

Page Rendered

57 ms

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About Website

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Key Findings

We analyzed Zisurf.com page load time and found that the first response time was 609 ms and then it took 674 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

zisurf.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value1.1 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)

Value0.6 s

100/100

10%

Network Requests Diagram

zisurf.com

609 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Zisurf.com and no external sources were called. The less responsive or slowest element that took the longest time to load (609 ms) belongs to the original domain Zisurf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.5 kB (6%)

Content Size

753.7 kB

After Optimization

707.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zisurf.com main page is 753.7 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 327.2 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 342 B

  • Original 635 B
  • After minification 603 B
  • After compression 293 B

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 342 B or 54% of the original size.

Image Optimization

-1%

Potential reduce by 2.9 kB

  • Original 327.2 kB
  • After minification 324.3 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. Zisurf images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 38.0 kB

  • Original 289.4 kB
  • After minification 289.4 kB
  • After compression 251.3 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 38.0 kB or 13% of the original size.

CSS Optimization

-4%

Potential reduce by 5.3 kB

  • Original 136.5 kB
  • After minification 136.5 kB
  • After compression 131.3 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. Zisurf.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

zisurf.com

zisurf.com

609 ms

Accessibility Review

zisurf.com accessibility score

91

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

Best Practices

zisurf.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

zisurf.com SEO score

64

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 Zisurf.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 Zisurf.com 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

zisurf.com

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