Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

tdf.com

iPhone Applications, Programming & Network Consulting | Technical Data Freeway, Inc.

Page Load Speed

3 sec in total

First Response

915 ms

Resources Loaded

2 sec

Page Rendered

100 ms

tdf.com screenshot

About Website

Welcome to tdf.com homepage info - get ready to check Tdf best content for United States right away, or after learning these important things about tdf.com

iPhone app development, Computer Network Consulting & Programming Services in the San Diego area.

Visit tdf.com

Key Findings

We analyzed Tdf.com page load time and found that the first response time was 915 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

tdf.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

www.tdf.com

915 ms

pagenavi-css.css

97 ms

style.css

95 ms

jquery.min.js

151 ms

jquery-migrate.min.js

145 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 54% of them (13 requests) were addressed to the original Tdf.com, 42% (10 requests) were made to Fonts.gstatic.com and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (915 ms) belongs to the original domain Tdf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 215.6 kB (45%)

Content Size

484.2 kB

After Optimization

268.6 kB

In fact, the total size of Tdf.com main page is 484.2 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. 40% of websites need less resources to load. HTML takes 204.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 174.0 kB

  • Original 204.1 kB
  • After minification 203.0 kB
  • After compression 30.1 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 174.0 kB or 85% of the original size.

Image Optimization

-27%

Potential reduce by 40.4 kB

  • Original 151.3 kB
  • After minification 110.9 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, Tdf needs image optimization as it can save up to 40.4 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 772 B

  • Original 115.3 kB
  • After minification 115.3 kB
  • After compression 114.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 342 B

  • Original 13.4 kB
  • After minification 13.2 kB
  • After compression 13.1 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. Tdf.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (67%)

Requests Now

12

After Optimization

4

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tdf. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tdf.com accessibility score

77

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.

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

Form elements do not have associated labels

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

tdf.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tdf.com SEO score

93

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

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tdf.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Tdf.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 data is detected on the main page of Tdf. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: