Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

Page Load Speed

59.9 sec in total

First Response

7.9 sec

Resources Loaded

51.5 sec

Page Rendered

560 ms

jsitl.com screenshot

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Key Findings

We analyzed Jsitl.com page load time and found that the first response time was 7.9 sec and then it took 52 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 19 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jsitl.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value21.7 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

jsitl.com

7919 ms

common.css

746 ms

index.css

2695 ms

jquery-1.8.2.min.js

10638 ms

lib.min.js

12012 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that all of those requests were addressed to Jsitl.com and no external sources were called. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Jsitl.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.7 kB (6%)

Content Size

431.3 kB

After Optimization

403.6 kB

In fact, the total size of Jsitl.com main page is 431.3 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 408.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 10.2 kB

  • Original 12.7 kB
  • After minification 12.2 kB
  • After compression 2.5 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 10.2 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 9.9 kB

  • Original 408.5 kB
  • After minification 398.6 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. Jsitl images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 101 B

  • Original 225 B
  • After minification 146 B
  • After compression 124 B

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 101 B or 45% of the original size.

CSS Optimization

-75%

Potential reduce by 7.4 kB

  • Original 9.9 kB
  • After minification 8.9 kB
  • After compression 2.4 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. Jsitl.com needs all CSS files to be minified and compressed as it can save up to 7.4 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (22%)

Requests Now

54

After Optimization

42

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsitl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

jsitl.com accessibility score

46

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

jsitl.com best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jsitl.com SEO score

50

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Jsitl.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 Jsitl.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 Jsitl. 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: