Access tv1.ir. شبکه یک سیما

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

tv1.ir

638 ms

tv1.ir

932 ms

iconstyle.css

178 ms

font-awesome.min.css

378 ms

vendors.min.css

864 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 42% of them (37 requests) were addressed to the original Tv1.ir, 54% (48 requests) were made to Simacdn1.iribtv.ir and 2% (2 requests) were made to Analytics.eirib.ir. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source Simacdn1.iribtv.ir.

Content Size

16.1 MB

After Optimization

14.5 MB

In fact, the total size of Tv1.ir main page is 16.1 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. 70% of websites need less resources to load. Images take 15.3 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 276.4 kB

Original 295.7 kB
After minification 258.6 kB
After compression 19.3 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 37.1 kB, which is 13% 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 276.4 kB or 93% of the original size.

Image Optimization

-7%

Potential reduce by 1.1 MB

Original 15.3 MB
After minification 14.2 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. Tv 1 images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 135.3 kB

Original 333.6 kB
After minification 333.6 kB
After compression 198.3 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 135.3 kB or 41% of the original size.

CSS Optimization

-10%

Potential reduce by 10.9 kB

Original 105.4 kB
After minification 105.4 kB
After compression 94.6 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. Tv1.ir has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tv 1. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

[role] values are not valid

High

[aria-*] attributes do not have valid values

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Page has valid source maps

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

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tv1.ir can be misinterpreted by Google and other search engines. Our service has detected that Persian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tv1.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

tv1.ir

Open Graph description is not detected on the main page of Tv 1. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

شبکه یک سیما

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

tv1.ir

tv1.ir

iconstyle.css

font-awesome.min.css

vendors.min.css

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

tv1.ir

tv1.ir

iconstyle.css

font-awesome.min.css

vendors.min.css

irib.css

swiper.min.js

swiper.min.css

jquery-3.3.1.min.js

bootstrap.min.js

jquery.mCustomScrollbar.js

jquery.sliderPro.min.js

mustache.min.js

swiper.min.js

tipped.js

owl.carousel.min.js

irib-app-bundle.js

js

jquery.mousewheel.min.js

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