Access tss4.ir. متوسطه دوره اول توحيد

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value18.3 s

0/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.749

6/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

tss4.ir

792 ms

GSchool

196 ms

17000 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Tss4.ir and no external sources were called. The less responsive or slowest element that took the longest time to load (17 sec) belongs to the original domain Tss4.ir.

Content Size

336.7 kB

After Optimization

83.6 kB

In fact, the total size of Tss4.ir main page is 336.7 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Javascripts take 333.4 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 2.2 kB

Original 3.4 kB
After minification 2.9 kB
After compression 1.2 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 439 B, 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 2.2 kB or 66% of the original size.

JavaScript Optimization

-75%

Potential reduce by 251.0 kB

Original 333.4 kB
After minification 329.5 kB
After compression 82.4 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 251.0 kB or 75% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

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 interpretation of your content by users in different locales.

High

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

High

[lang] attributes do not have a valid value

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

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

Serves images with low resolution

Low

Detected JavaScript libraries

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

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 Tss4.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 Tss4.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

tss4.ir

Open Graph description is not detected on the main page of Tss 4. 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: