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itt90.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

itt90.com

404 Not Found

Page Load Speed

14.2 sec in total

First Response

2 sec

Resources Loaded

11.5 sec

Page Rendered

802 ms

itt90.com screenshot

About Website

Welcome to itt90.com homepage info - get ready to check Itt 90 best content right away, or after learning these important things about itt90.com

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Key Findings

We analyzed Itt90.com page load time and found that the first response time was 2 sec and then it took 12.3 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

itt90.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value18.0 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.312

37/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

index.php

1951 ms

animate.css,iconfont.css,bootstrap.min.css,response.min.css

230 ms

site_impt_r.css

277 ms

page_impt_home.css

293 ms

tj.js

133 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 25% of them (3 requests) were addressed to the original Itt90.com, 33% (4 requests) were made to Static203.yun300.cn and 17% (2 requests) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Js.users.51.la.

Page Optimization Overview & Recommendations

Page size can be reduced by 363.7 kB (46%)

Content Size

797.0 kB

After Optimization

433.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Itt90.com main page is 797.0 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. 35% of websites need less resources to load. CSS take 422.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 38.6 kB

  • Original 49.0 kB
  • After minification 48.5 kB
  • After compression 10.4 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 38.6 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 62 B

  • Original 324.7 kB
  • After minification 324.7 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. Itt 90 images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 104 B

  • Original 433 B
  • After minification 431 B
  • After compression 329 B

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 104 B or 24% of the original size.

CSS Optimization

-77%

Potential reduce by 324.9 kB

  • Original 422.8 kB
  • After minification 383.7 kB
  • After compression 97.9 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. Itt90.com needs all CSS files to be minified and compressed as it can save up to 324.9 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (40%)

Requests Now

10

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itt 90. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

index.php

index.php

1951 ms

animate.css,iconfont.css,bootstrap.min.css,response.min.css

animate.css,iconfont.css,bootstrap.min.css,response.min.css

230 ms

site_impt_r.css

site_impt_r.css

277 ms

page_impt_home.css

page_impt_home.css

293 ms

tj.js

tj.js

133 ms

common.js

common.js

138 ms

21330501.js

21330501.js

1952 ms

21224415.js

21224415.js

2822 ms

bf04.jpg

bf04.jpg

360 ms

rBQBHGIeyTOEVuBYAAAAAHxG5cU281.svg

rBQBHGIeyTOEVuBYAAAAAHxG5cU281.svg

361 ms

rBQBHGIeyTOEVuBYAAAAAHxG5cU281.svg

rBQBHGIeyTOEVuBYAAAAAHxG5cU281.svg

14 ms

push.js

push.js

980 ms

Accessibility Review

itt90.com accessibility score

59

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

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

itt90.com best practices score

58

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

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

itt90.com SEO score

90

Search Engine Optimization Advices

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

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Itt90.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Itt90.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

itt90.com

Open Graph description is not detected on the main page of Itt 90. 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: