Este teste faz parte de um conjunto de testes, completamente legais que efectuámos via link, para determinar a performance do site.
Não iremos testar o nível de segurança, visto que isso já poderia ser considerado do ambito da ilegalidade.
E nós não entramos em elegalidades...
Um site tão caro com umas métricas tão baixas, é caso para perguntar; Que manutenção é essa?
Os testes efectuados demontram que não existe qualquer maqnutenção.
 Website Thumbnail | Latest Performance Report for: http://www.sg.pcm.gov.pt/ | Slow Page Download PDF at Gtmetrix |
|---|---|---|
| Report generated: Fri, May 26, 2012, 2:49 PM -0700 Test Server Region: Vancouver, Canada Using: Firefox 10.0.2, Page Speed 1.12.0.1, YSlow 3.0.4 | Your page generation time is slow Find out why and explore possible solutions » | |
| I got my scores; what now? | ||
| Start optimizing your site! But before you do: Understand the recommendations They are meant to be generic, best practices; not everything will apply to your site. Rules are sorted in order of impact upon score Optimizing rules at the top of the list can greatly improve your overall score. Read our FAQ for more info Gtmetrix | ||
| Sumary | |||||
|---|---|---|---|---|---|
Page Speed Grade: | E | YSlow Grade: | C | Page load time: | 4.11s |
| (57%) | (71%) | Total page size: | 518KB | ||
| Total number of requests: | 26 | ||||
Breakdow Veja Também o Relatório W3c Validator
| YSLOW Recommendation | Grade | Type | Priority | |
|---|---|---|---|---|
Add Expires headers | F (0) | 18% | Server | High |
What does this mean?Add Expires headersUse an Expires header to control how your site is cached on visitors' browsers.Read more There are 24 static components without a far-future expiration date.
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| Compress components with gzip | F (0) | 61% | Server | High |
What does this mean?Compress components with gzipSave time and bandwidth by compressing resources.Read more There are 15 plain text components that should be sent compressed
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| Use a Content Delivery Network (CDN) | F (0) | 5% | Server | Medium |
What does this mean?Use a Content Delivery Network (CDN)CDNs can give an equally fast web experience to your users across the globe.Read more Using a CDN YSlow doesn't recognize? Specify your CDNs in your User Settings. There are 23 static components that are not on CDN.
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| Use cookie-free domains | F (0) | 49% | Cookie | Low |
What does this mean?Use cookie-free domainsServe static content from a different domain to avoid unnecessary cookie traffic.Read more There are 22 components that are not cookie-free
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| Make fewer HTTP requests | D (69) | 44% | Content | High |
What does this mean?Make fewer HTTP requestsReduce HTTP requests through combined files and CSS sprites.Read more This page has 9 external Javascript scripts. Try combining them into one. This page has 3 external stylesheets. Try combining them into one. This page has 7 external background images. Try combining them with CSS sprites. | ||||
Configure entity tags (ETags) | F (0) | 43% | Server | Low |
What does this mean?Configure entity tags (ETags)Running multiple servers with default ETag settings can prevent 304 responses.Read more There are 24 components with misconfigured ETags
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| Put JavaScript at bottom | E (55) | 76% | JS | Medium |
What does this mean?Put JavaScript at bottomMove scripts to the bottom of pages to ensure other resources don't block.Read more There are 9 JavaScript scripts found in the head of the document
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| Minify JavaScript and CSS | A (90) | 81% | CSS/JS | Medium |
What does this mean?Minify JavaScript and CSSStrip unnecessary characters from JavaScript and CSS to speed up download times.Read more There is 1 component that can be minified
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| Make AJAX cacheable | A (90) | 99% | JS | Medium |
What does this mean?Make AJAX cacheableBy allow AJAX requests to be cacheable, it can prevent unnecessary delays.Read more There are 2 XHR components that are not cacheable
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| Do not scale images in HTML | A (95) | 86% | Images | Low |
What does this mean?Do not scale images in HTMLScaling images in HTMLcan result in unnecessary bandwidth wasted downloading large images. Read more There is 1 image that is scaled down
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| Make favicon small and cacheable | A (95) | 94% | Images | Low |
What does this mean?Make favicon small and cacheableKeep favicons small and configure their caching.Read more Faviconis not cacheable | ||||
| Avoid empty src or href | A (100) | 99% | Content | High |
What does this mean?Avoid empty src or hrefEmpty src or href attributes can cause multiple problems.Read more | ||||
| Avoid URL redirects | A (100) | 92% | Content | Medium |
What does this mean?Avoid URL redirectsAvoid using URL redirects as they add additional delays to a page load.Read more | ||||
| Put CSS at the top | A (100) | 98% | CSS | Medium |
What does this mean?Put CSS at the topKeep style sheets in headers to ensure progressive rendering.Read more | ||||
| Remove duplicate JavaScript and CSS | A (100) | 100% | CSS/JS | Medium |
What does this mean?Remove duplicate JavaScript and CSSDuplicate JavaScript and CSS files hurt performance by creating unnecessary HTTP requests (IEonly) and wasted JavaScript execution (IE and Firefox). Read more | ||||
| Avoid AlphaImageLoader filter | A (100) | 95% | CSS | Medium |
What does this mean?Avoid AlphaImageLoader filterIE'sAlphaImageLoaderblocks rendering and increases page load times. Read more | ||||
| Avoid HTTP 404 (Not Found) error | A (100) | 97% | Content | Medium |
What does this mean?Avoid HTTP 404 (Not Found) errorFixup any 404 errors to avoid your users fetching content that does not existRead more | ||||
| Reduce the number of DOM elements | A (100) | 93% | Content | Low |
What does this mean?Reduce the number of DOM elementsA complex page means more bytes to download, and it also means slower DOM access in JavaScript.Read more | ||||
| Use GET for AJAX requests | A (100) | 100% | JS | Low |
What does this mean?Use GET for AJAX requestsUseGETrather than POSTto collate headers and data. Read more | ||||
| Avoid CSS expressions | A (100) | 96% | CSS | Low |
What does this mean?Avoid CSS expressionsExpressions can produce thousands of unnecessary CSS evaluations.Read more | ||||
| Reduce DNS lookups | A (100) | 77% | Content | Low |
What does this mean?Reduce DNS lookupsDNS lookups add delays to the initial requests to a host. Making requests to a large number of different hosts can hurt performance.Read more
| ||||
| Reduce cookie size | A (100) | 100% | Cookie | Low |
What does this mean?Reduce cookie sizeKeep cookies as small as possible to minimize the HTTP header size.Read more | ||||
| Make JavaScript and CSS external | (n/a) | CSS/JS | Medium | |
What does this mean?Make JavaScript and CSS externalStrategically make JavaScript and CSS external to utilize browser caching.Read more Only consider this if your property is a common user home page.
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