Access katrin.ir. شبکه کاترین - رسانه مجاز صوتی و تصویری

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.133

81/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

katrin.ir

584 ms

site.css

157 ms

style.css

321 ms

font-awesome.min.css

345 ms

ads.js

995 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 5% of them (4 requests) were addressed to the original Katrin.ir, 79% (61 requests) were made to Up.katrin.ir and 6% (5 requests) were made to Rozblog.com. The less responsive or slowest element that took the longest time to load (10 sec) relates to the external source Backority.ir.

Content Size

1.8 MB

After Optimization

1.6 MB

In fact, the total size of Katrin.ir main page is 1.8 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 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 31.1 kB

Original 40.0 kB
After minification 39.0 kB
After compression 8.9 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 31.1 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 45.1 kB

Original 1.5 MB
After minification 1.4 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. Katrin images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 163.0 kB

Original 275.3 kB
After minification 275.3 kB
After compression 112.3 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 163.0 kB or 59% of the original size.

CSS Optimization

-46%

Potential reduce by 21.2 kB

Original 46.0 kB
After minification 45.1 kB
After compression 24.7 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. Katrin.ir needs all CSS files to be minified and compressed as it can save up to 21.2 kB or 46% of the original size.

Requests Now

After Optimization

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katrin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

FA
Language Claimed

FA
Encoding

UTF-8

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

katrin.ir

Open Graph data is detected on the main page of Katrin. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

شبکه کاترین - رسانه مجاز صوتی و تصویری

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

katrin.ir

site.css

style.css

font-awesome.min.css

ads.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

katrin.ir

site.css

style.css

font-awesome.min.css

ads.js

7345b897-6a27-4264-a220-0f8c415e4bc9

tabligh.js

popup

jwplayer.js

jquery.js

site.js

native-katrin.ir-2720.js

logo.png

search.png

instagram.png

mail.png

youtube.png

facebook.png

1.jpg

2.jpg

3.jpg

4.jpg

5.jpg

mehrabane.gif

mb.gif

plane-race.jpg

chicago-hot-dogs.jpg

flappy-dora.jpg

sushi-rolls.jpg

frenzy-clinic.jpg

food-table.jpg

blocky-farm.jpg

fragile-fauna.jpg

chemistry.jpg

math-exam.jpg

electro-appliances.jpg

backgammon.jpg

bowling.jpg

worlds-strongest-man.jpg

table-tennis.jpg

zombie-truck.jpg

skate.jpg

alex-trax.jpg