Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

tehrantvto.ir

سايت فارسي اداره کل آموزش فني و حرفه اي استان تهران

Page Load Speed

14 sec in total

First Response

1.9 sec

Resources Loaded

11.8 sec

Page Rendered

362 ms

tehrantvto.ir screenshot

About Website

Visit tehrantvto.ir now to see the best up-to-date Tehrantvto content for Iran and also check out these interesting facts you probably never knew about tehrantvto.ir

Visit tehrantvto.ir

Key Findings

We analyzed Tehrantvto.ir page load time and found that the first response time was 1.9 sec and then it took 12.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

tehrantvto.ir performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

84/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.307

38/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

tehrantvto.ir

1883 ms

jquery.js

1627 ms

xmenu1.css

381 ms

xmenu2.css

383 ms

news-slideshow.js

774 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that all of those requests were addressed to Tehrantvto.ir and no external sources were called. The less responsive or slowest element that took the longest time to load (9.6 sec) belongs to the original domain Tehrantvto.ir.

Page Optimization Overview & Recommendations

Page size can be reduced by 236.6 kB (35%)

Content Size

681.9 kB

After Optimization

445.3 kB

In fact, the total size of Tehrantvto.ir main page is 681.9 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. 25% of websites need less resources to load. Images take 434.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 67.2 kB

  • Original 81.0 kB
  • After minification 78.8 kB
  • After compression 13.8 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 67.2 kB or 83% of the original size.

Image Optimization

-13%

Potential reduce by 56.0 kB

  • Original 434.0 kB
  • After minification 378.0 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. Obviously, Tehrantvto needs image optimization as it can save up to 56.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 112.2 kB

  • Original 165.1 kB
  • After minification 160.5 kB
  • After compression 52.8 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 112.2 kB or 68% of the original size.

CSS Optimization

-61%

Potential reduce by 1.2 kB

  • Original 1.9 kB
  • After minification 1.7 kB
  • After compression 737 B

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. Tehrantvto.ir needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (27%)

Requests Now

66

After Optimization

48

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tehrantvto. 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 as a result speed up the page load time.

Accessibility Review

tehrantvto.ir accessibility score

54

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

tehrantvto.ir best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

tehrantvto.ir SEO score

54

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

    FA

  • Language Claimed

    FA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tehrantvto.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 Tehrantvto.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

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