Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

tahlildadeh.com

آموزش برنامه نویسی، آموزشگاه تحلیل داده

Page Load Speed

19.1 sec in total

First Response

565 ms

Resources Loaded

18.1 sec

Page Rendered

464 ms

tahlildadeh.com screenshot

About Website

Click here to check amazing Tahlildadeh content for Iran. Otherwise, check out these important facts you probably never knew about tahlildadeh.com

آموزشگاه تحلیل داده، تنها مرکز آموزش برنامه نویسی در ایران است که به صورت متمرکز و تخصصی به آموزش حرفه ای و پروژه محور زبانهای برنامه نویسی پرداخته است.

Visit tahlildadeh.com

Key Findings

We analyzed Tahlildadeh.com page load time and found that the first response time was 565 ms and then it took 18.5 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.

Performance Metrics

tahlildadeh.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value1,690 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.127

82/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

tahlildadeh.com

565 ms

www.tahlildadeh.com

10885 ms

js

10064 ms

Styles

8727 ms

TahlildadehStatistics.js

203 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 91% of them (30 requests) were addressed to the original Tahlildadeh.com, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (10.9 sec) belongs to the original domain Tahlildadeh.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 458.1 kB (62%)

Content Size

738.7 kB

After Optimization

280.6 kB

In fact, the total size of Tahlildadeh.com main page is 738.7 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. HTML takes 251.4 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 225.8 kB

  • Original 251.4 kB
  • After minification 148.3 kB
  • After compression 25.6 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. This page needs HTML code to be minified as it can gain 103.2 kB, which is 41% 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 225.8 kB or 90% of the original size.

Image Optimization

-25%

Potential reduce by 63.0 kB

  • Original 249.2 kB
  • After minification 186.2 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, Tahlildadeh needs image optimization as it can save up to 63.0 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 145.1 kB

  • Original 211.0 kB
  • After minification 187.5 kB
  • After compression 65.9 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 145.1 kB or 69% of the original size.

CSS Optimization

-89%

Potential reduce by 24.1 kB

  • Original 27.1 kB
  • After minification 14.5 kB
  • After compression 3.0 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. Tahlildadeh.com needs all CSS files to be minified and compressed as it can save up to 24.1 kB or 89% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

23

After Optimization

23

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tahlildadeh. According to our analytics all requests are already optimized.

Accessibility Review

tahlildadeh.com accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

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

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

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

Best Practices

tahlildadeh.com best practices score

75

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

tahlildadeh.com SEO score

90

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

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

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 Tahlildadeh.com 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 Tahlildadeh.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 Tahlildadeh. 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: