Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

Page Load Speed

1.2 sec in total

First Response

252 ms

Resources Loaded

791 ms

Page Rendered

143 ms

admin.zamenhof.net screenshot

About Website

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Key Findings

We analyzed Admin.zamenhof.net page load time and found that the first response time was 252 ms and then it took 934 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

admin.zamenhof.net performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

admin.zamenhof.net

252 ms

style_new.css

131 ms

jquery.js

195 ms

bg-header.png

129 ms

main-page.png

143 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that all of those requests were addressed to Admin.zamenhof.net and no external sources were called. The less responsive or slowest element that took the longest time to load (329 ms) belongs to the original domain Admin.zamenhof.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.5 kB (30%)

Content Size

94.6 kB

After Optimization

66.1 kB

In fact, the total size of Admin.zamenhof.net main page is 94.6 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. Images take 59.9 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 1.9 kB

  • Original 3.1 kB
  • After minification 2.8 kB
  • After compression 1.3 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 341 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 1.9 kB or 60% of the original size.

Image Optimization

-13%

Potential reduce by 8.0 kB

  • Original 59.9 kB
  • After minification 52.0 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. Obviously, Admin Zamenhof needs image optimization as it can save up to 8.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 10.6 kB

  • Original 21.6 kB
  • After minification 21.3 kB
  • After compression 10.9 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 10.6 kB or 49% of the original size.

CSS Optimization

-81%

Potential reduce by 8.1 kB

  • Original 10.0 kB
  • After minification 8.3 kB
  • After compression 1.9 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. Admin.zamenhof.net needs all CSS files to be minified and compressed as it can save up to 8.1 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Admin Zamenhof. According to our analytics all requests are already optimized.

Accessibility Review

admin.zamenhof.net 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

admin.zamenhof.net best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

admin.zamenhof.net SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Admin.zamenhof.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Admin.zamenhof.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

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