Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

slackcat.chat

Slackcat

Page Load Speed

1 sec in total

First Response

260 ms

Resources Loaded

557 ms

Page Rendered

221 ms

slackcat.chat screenshot

About Website

Click here to check amazing Slackcat content for Japan. Otherwise, check out these important facts you probably never knew about slackcat.chat

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Visit slackcat.chat

Key Findings

We analyzed Slackcat.chat page load time and found that the first response time was 260 ms and then it took 778 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

slackcat.chat performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.1 s

87/100

10%

Network Requests Diagram

slackcat.chat

260 ms

css

33 ms

css

44 ms

css

49 ms

css

55 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 42% of them (8 requests) were addressed to the original Slackcat.chat, 26% (5 requests) were made to Fonts.googleapis.com and 11% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (260 ms) belongs to the original domain Slackcat.chat.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.2 kB (58%)

Content Size

225.2 kB

After Optimization

94.0 kB

In fact, the total size of Slackcat.chat main page is 225.2 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. Javascripts take 149.8 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 2.8 kB

  • Original 4.4 kB
  • After minification 4.0 kB
  • After compression 1.6 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 2.8 kB or 64% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 27.7 kB
  • After minification 27.7 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. Slackcat images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 95.0 kB

  • Original 149.8 kB
  • After minification 149.5 kB
  • After compression 54.7 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 95.0 kB or 63% of the original size.

CSS Optimization

-77%

Potential reduce by 33.4 kB

  • Original 43.4 kB
  • After minification 39.7 kB
  • After compression 10.0 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. Slackcat.chat needs all CSS files to be minified and compressed as it can save up to 33.4 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (44%)

Requests Now

16

After Optimization

9

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slackcat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

slackcat.chat accessibility score

74

Accessibility Issues

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

Best Practices

slackcat.chat best practices score

83

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

slackcat.chat SEO score

85

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Slackcat.chat can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Slackcat.chat 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 Slackcat. 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: