Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

esa-dev.com

ESA-DEV - Sites web

Page Load Speed

5.3 sec in total

First Response

914 ms

Resources Loaded

2.6 sec

Page Rendered

1.7 sec

esa-dev.com screenshot

About Website

Welcome to esa-dev.com homepage info - get ready to check ESA DEV best content right away, or after learning these important things about esa-dev.com

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Key Findings

We analyzed Esa-dev.com page load time and found that the first response time was 914 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

esa-dev.com 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)

Value2.9 s

96/100

10%

Network Requests Diagram

esa-dev.com

914 ms

wp-emoji-release.min.js

92 ms

styles.css

175 ms

front.css

177 ms

bootstrap.min.css

343 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 74% of them (43 requests) were addressed to the original Esa-dev.com, 14% (8 requests) were made to Apis.google.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Esa-dev.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 362.4 kB (10%)

Content Size

3.7 MB

After Optimization

3.4 MB

In fact, the total size of Esa-dev.com main page is 3.7 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. 50% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 24.2 kB

  • Original 31.2 kB
  • After minification 29.5 kB
  • After compression 6.9 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 24.2 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 95.9 kB

  • Original 3.4 MB
  • After minification 3.3 MB

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. ESA DEV images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 125.1 kB

  • Original 181.0 kB
  • After minification 172.5 kB
  • After compression 56.0 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 125.1 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 117.2 kB

  • Original 142.2 kB
  • After minification 135.6 kB
  • After compression 25.0 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. Esa-dev.com needs all CSS files to be minified and compressed as it can save up to 117.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (47%)

Requests Now

55

After Optimization

29

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ESA DEV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

esa-dev.com accessibility score

86

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

esa-dev.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

esa-dev.com SEO score

67

Search Engine Optimization Advices

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 Esa-dev.com 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 Esa-dev.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 ESA DEV. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: