Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

theresia.es

Diseño y fabricación uniformes escolares - Theresia School

Page Load Speed

5.1 sec in total

First Response

361 ms

Resources Loaded

4.2 sec

Page Rendered

465 ms

About Website

Welcome to theresia.es homepage info - get ready to check Theresia best content right away, or after learning these important things about theresia.es

Fabricantes de uniformes escolares con imagen y estilo propio. Última tecnología y máxima calidad al mejor precio. ¡100% personalizables!

Visit theresia.es

Key Findings

We analyzed Theresia.es page load time and found that the first response time was 361 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

theresia.es performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.672

8/100

15%

TTI (Time to Interactive)

Value9.4 s

30/100

10%

Network Requests Diagram

theresia.es

361 ms

theresia.es

444 ms

www.theresia.es

992 ms

pdcc.min.css

380 ms

pdcc.min.js

445 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 92% of them (102 requests) were addressed to the original Theresia.es, 3% (3 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Pdcc.gdpr.es. The less responsive or slowest element that took the longest time to load (992 ms) belongs to the original domain Theresia.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.4 kB (34%)

Content Size

614.1 kB

After Optimization

406.7 kB

In fact, the total size of Theresia.es main page is 614.1 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. 65% of websites need less resources to load. Javascripts take 289.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 103.6 kB

  • Original 130.3 kB
  • After minification 126.5 kB
  • After compression 26.8 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 103.6 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 951 B

  • Original 12.7 kB
  • After minification 11.8 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. Theresia images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 60.8 kB

  • Original 289.9 kB
  • After minification 286.4 kB
  • After compression 229.1 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 60.8 kB or 21% of the original size.

CSS Optimization

-23%

Potential reduce by 42.1 kB

  • Original 181.2 kB
  • After minification 176.6 kB
  • After compression 139.1 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. Theresia.es needs all CSS files to be minified and compressed as it can save up to 42.1 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 99 (95%)

Requests Now

104

After Optimization

5

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Theresia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 53 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

theresia.es accessibility score

90

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.

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

theresia.es 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

High

Page has valid source maps

SEO Factors

theresia.es SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

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